Whether you're interested in seeing Chevy 350 3970010 items for sale in any of your favorite neighborhoods, Years, Trucks,Engine,Number. "Main Caps" is the number of bolts holding the cap. I actually went through several lists and made some corrections before making this list. Block casting numbers 3970010 If interested or have any questions please text or call Ray at show contact info. Catalog of Chevy V-8 Engine Casting Numbers 1955-1993 (Matching Numbers Series) [Cars & Parts] on Amazon. block casting is 3970010 i no this a 350 casted feb 02 1968 head and intake is what i can't find head is 3986388 are these double hump heads? or not 64cc or not? intake is 340264 with gm 17 under neath it. You get bear block plus cylinder heads, plus valve train. To learn how to locate your casting numbers, casting dates and suffix codes, see Chevy V8 Casting Number Locations Page 1 and Page 2. Lasalle Street Indianapolis, Indiana 46201. So is a 302 or a 350 i have not opened the oil pan any ideas on id ing this engine i though it would be simple just type in the numbers well that did not work every one wants to sell you somthing thanks for any help. The next two characters indicate the engine suffix identification code, an engine identifier that specifies the engine usage and horsepower during assembly. I personally took a 010 motor out of a 74 or 75 malibu and to my dissapointment, it was a stinkin 2-bolt block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. The suffix code was FO927HE. Their notes say this: "Very little is known about this block". 60 stainless exhaust valves. Small Block Chevy Cylinder Heads: As you may already be aware, there are is a dizzying number of cylinder heads available for the Chevrolet smallblock. The block identification would be the same on either (as above, usually these were 3970010 - alternatively, just 010 - blocks). 2 bolt main. The pistons are Wiseco forged 10. You may have to register before you can post: click the register link above to proceed. The partial number starts with the year of installation of the engine. A casting number is a raised number which is cast into the block, cylinder head, transmission case, differential housing and many other cast iron parts. The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Americanlisted has classifieds in Dayton, Ohio for new and used car parts. The number itself can have 6, 7 or 8 numeral digits. when i purchased one, and tried to put it in the tube. Chevrolet Performance offers Small Block Production Based Blocks perfect for when building a mild performance engine or a replacement for a stock engine. a set of vortec heads and a roller cam and she'll be a. 160 bore, 1-piece rear seal. The 3970010 casting was only used during the latter half of 69 Camaro production (for 302 and 350 applications), but the block continued to be produced throughout the 1970's for 2-bolt and 4-bolt 350 applications. this number (engine ID i think) was on the front left side right in front of the passengers side head V0117TBC. All engines in this family share the same block dimensions and sometimes even the same casting number; the latter meaning engines were of the same block, but with different strokes (e. The Engine Block Casting code is one of the best ways to identify a Chevy engine block. Need car detail. " This is an original 1969 Small Block Chevy engine block. BLOCK CASTING CRANK CASTING HEAD CASTING; 1: 3970014 3932388 3970010 3914678 366245 14016379: RWD Carb, small block, 2 bolt main, 6 bolt exhaust. The front pad is stamped CEB1482. From Chevy-Camaro. The crank style: One or two piece rear main seal. All my "regular cars" have been Fords for years - LTD station wagons and Econoline vans when we had kids at home. The older 1974 and earlier cylinder heads are worth working on because they are much stronger castings that almost never break. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers By Andy Bolig May 23, 2018 The advent of CNC machining seems to have fostered an explosion of ported aftermarket heads, which is great for the enthusiast that isn’t encumbered with casting numbers and originality. But the casting number doesn't tell the whole story. Fresh rebuild. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. Lot of Small Block Chevy engines. I if you will run the VIN # found on a pad at the front of the pass. 10051184 Small Block V8 4 bolt, Bow Tie, 4. If you're looking at the engine code - this is already known. How-To Tear Down a Chevy 350 V8 Small Block Engine casting number of 3970010, again looking our small block Chevy, we used this litlte swivel adapter, I. Best Answer: 3970010 is the block casting #. As I stated earlier 67 and 68 blocks were coded "MO". Small Block Chevrolet Engine Blocks: Block casting numbers are found on the ledge to the rear of the number seven cylinder on the driver's side of the smallblock V-8s. Re: Engine block code 3970010 and suffix TBF 03-11-04 10:09 AM - Post# 407729 In response to Destructo The casting number on the rear shelf of the case ending in 010 was a very common one. Most likely 70's, and a 4 bolt main engine. Americanlisted has classifieds in Toledo, Ohio for new and used car parts. The 1970-75 Camaros used a variety of blocks, cylinder heads, intake manifolds, exhaust manifolds, and waterpumps. A casting number is a raised number which is cast into the block, cylinder head, transmission case, differential housing and many other cast iron parts. Head-to-Block Compatibility Because of their comparatively small bores - 3. The casting code will help determine what the block is. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers By Andy Bolig May 23, 2018 The advent of CNC machining seems to have fostered an explosion of ported aftermarket heads, which is great for the enthusiast that isn’t encumbered with casting numbers and originality. Small Block Chevy SBC Block Casting Numbers. In 1957, the engine size was stepped up to 283cia. Casting Number / Engine Size. Public Auction Terms Cash Terms Cash many oTher iTems Too numerous To menTion Mark this date on your calendar 301 S. Selling some first generation Chevy small block engine parts:283 out of a '67 Chevelle (long block or short block)HeadsPush rodsIntake manifoldRams horn exhaust manifolds (have left side only, no rights)Rear dump exhaust manifolds (left side only)HeadersValve coversDistributor and hold down bracketIgnition coil and bracketThermostat housingWater pumpDipstickTiming coverUpper and lower pulleysVibra. These letters refer to the code stamped into the engine pad. Made out of correct OEM thickness stamped steel. The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. Need car detail. The newer casting bust alot eaiser and alot more often. 4 turn key engine BBC for sale in Hilo, HI, Price: $3,200 RACINGJUNK GIVEAWAY - Check Out All of our Giveaways Here! - enter now It’s car show season, don't you want your own passion project to take on the road?. Casting Number Years 3970010: 68 – 79. The 1970-75 Camaros used a variety of blocks, cylinder heads, intake manifolds, exhaust manifolds, and waterpumps. Chevy Small Block V8 Engine Block Casting Numbers CASTING#SIZEYEARMAIN CAP BOLTSNOTES 14002935080-842 Bolt Main 33081740073-76. Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. Threads Tagged with 3970010. Small block 350 corvette motor and 700R4 Transmission with 32,000 miles on it ( engine casting number 3970010) 15 smoothie chrome rims and coker whitewall Tires Working Air conditioner. 79silveradok30 had a question about where to find 4bolt main small block 400's. 4 bolt mains (casting number may also be 14015445) 3716323???? 396: 4. Chevy small block casting number cross reference. Small Block Chevy SBC Block Casting Numbers. *FREE* shipping on qualifying offers. The MANN Site Your source for chevy , castings, codes codes. com, 1955 Chevy 1956 chevy 1957 Chevy Forum , Talk about your 55 chevy 56 chevy 57 chevy - Belair , 210, 150 sedans , Nomads and Trucks, Research, Free Tech Advice. Small Block Chevies (350 and 327) - $65 (Covington, OH) Casting Number: 3970010 EIN: V06230NR (Bare Block) Casting Number: 3970010 EIN: V1123TKL (Bare Block) Casting Number: Dayton Ohio Car parts 65 $. It has been used in many different applications. com Network has over covers all of Buick Makes and Models over the past 100 years. Small block casting date is located on driver side rear of block on flange forward of bellhousing. The blocks used in 1967 were casting number 3892657. That's when we put together; Chevy Engine Block Casting Numbers. can someone give me the specs on this heas, chamber and valve size, compression ratio of the engine and the power and torque the engine makes in stock form. Not 387etc. The Casting Number for a LS Series Block is located on the rear of the block just below the drive side head. Re: Small block chevy suffix code not referenced to the engines, but just the cars. From Chevy-Camaro. Chevy 400 small block engine. 357 HP 350 Base, A New Standard For Affordable Small Block Performance! Now In Stock, Call For Details + Add to Cart. The date decodes as August 26th, 1969. You get bear block plus cylinder heads, plus valve train. The casting number is 3970010. 77et with 4. ENGINE CASTING NUMBER: The engine casting number is located to the left of the distributor on the top rear of the block. Has 190 psi of compression on all cylinders, 65 psi of oil pressure. block casting# 3970010 by chevy350 » Sun Apr 03, 2005 3:38 pm thats was on the back drivers side of the block. 283 blocks (3. 3, 305,350 (GM) 302,350 (Ford) Mercruiser, OMC, Volvo Penta, Crusader. i bought it as a 350 Chev but not sure exactly if its a 350 or not. The MANN Site Your source for chevy , castings, codes codes. The number on the front passenger side of the engine block will NOT tell you the displacement of the engine block. casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure about the other # 1 Share. The partial number starts with the year of installation of the engine. Now, they both have the same casting numbers, 3970010. That’s when we put together; Chevy Engine Block Casting Numbers. Chevelle-specific block casting number info Inline engine casting numbers from inliners. I've been told by a few people they are good blocks and some machinists say they know there harder by the way they machine. Wednesday Rewind: Small-Block Chevy Cylinder Head Casting Numbers By Andy Bolig May 23, 2018 The advent of CNC machining seems to have fostered an explosion of ported aftermarket heads, which is great for the enthusiast that isn’t encumbered with casting numbers and originality. Jmountainjr , Oct 7, 2010. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. then about 2 weeks later i found that the spark plug wires were. There should be a number formatted like VmmddDZ. Whatever parts you'll find for the Olds engine will be much more expensive and will yeild smaller return on investment(in terms of performance). casting number 3970010 is a 350 block from 1969 - 1979 but in 1969 302 and 327 have the same casting # and im not to sure about the other # 1 Share. just got a new small block chevy trying to figure out what i got. This block casting number was Chevy small block 350 (Buford) $350. In 1989, Chevy introduced the 18-degree Bow Tie aluminum head that shifted the valve-angle vertically, while simultaneously raising the intake port to take advantage of this angle. We bolted it in place with fasteners from our ARP accessory fastener kit (PN ARP-534-9801, $108). Just wondering What my engine is out of. SBC Block Casting Numbers. Chevrolet Engine Serial Number Events Features Search Hoo crud off the pad just behind the distributor and read the the engine s serial number. Need car detail. Or so the number says lol. GM SBC Block casting numbers ID Chevy big block Ford. Had no problems and ran the snot out of it on the street/drag strip for 13 years. What is it and what does it mean. Flat top hypereutectic pistons. Reference: Chevy Engine Block Casting Numbers By Bobby Kimbrough September 19, 2013 The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. Find CHEVROLET 5. Small Block Chevy Block numbers If this is your first visit, be sure to register. 875" bore, 2. All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. Can freight to most major cities around Australia $250. The 1970-75 Camaros used a variety of blocks, cylinder heads, intake manifolds, exhaust manifolds, and waterpumps. 09-17-2008 04:55 PM can i use block casting number 3970010 in 92 RS?. the casting number 3970010 was used by all three engines: 302, 327, and 350). This block casting number was Chevy small block 350 (Buford) $350. 10051184 Small Block V8 4 bolt, Bow Tie, 4. This block is the highest nickle content small block built by Chevy, the 4 bolt main blocks can be safely bored 040 without core shift becoming a problem. The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. on the passanger side of the front of the block a number 6696 is there. i have a chevy 350 throttle body out of a 1992 suburban. Date Added: January 21, 2008 05:15:49 AM. Small Block Chevy SBC Crank Casting Numbers. Corvette Vehicle Identification Numbers (VIN Codes) Corvette VIN Information; Tools - VIN Decoder; 1968 - 1982 Corvette Vin Decoder; Corvette VIN Decoder by Year; Corvette Cowl, Firewall or Trim Tags Corvette Casting Numbers. Chevy Small Block V8 Engine Identification. 454 Chevy big Block 7. The block casting number for 67 302's & 350's was 3892657; 68 302's & 350's was 3914678. Or so the number says lol. The 14010207 was the tip off for this being a GM 350 motor. Casting number 3970010. 000" bore block. Small Block Chevrolet casting number Numéro figurant à l'arrière du moteur côté boîte de vitesse accueil engine code. The casting numbers tell you alot, the 010 at the end means it is a Chevy 350, the 70 means it is out of a 70's model vehicle and the 39 means (if I remember correctly ) that it is from a truck, Particularly a 4 wd truck. Fresh Chevy Small Block 350 4 bolt main motor, casting number 3970010, front pad suffix CMJ, Mild street cam with good manners. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. That’s such a great question, what is a “real-deal” DZ 302 worth? Pulled from one of the most iconic Camaros of all time, this particular example looks to be completely rebuilt and ready to be dropped in a project. Can you tell which water pump is for pre-1969 applications?. more than four decades, and we're making it easier than ever with a growing all-new manual transmission installation kits designed for all of our engine families. Block casting numbers 3970010 If interested or have any questions please text or call Ray at show contact info. 60 stainless exhaust valves. SBC Block Casting Numbers. To determine whether your engine is a 327 or 350, you could measure the stroke or pull the pan off the block and check the crank casting #. This is an original 1969 Small Block Chevy 4 bolt main engine block. This covers a huge array of engines. Casting Number. you could get a belair with a 6, and if so, you did not get a "V" on hood or trunk. From Chevy-Camaro. and the head casting reads 10110810 L094. Earliest April 3970010 Casting Dates My DZ block was a 0421 but the previous casting # block. Just bougt a fixed up 350 with casting nr 3970010 with 4 bolt mains, is this a LM1 or something else, Mikes page says a LM1 with casting number 3970010. The 1970-75 Camaros used a variety of blocks, cylinder heads, intake manifolds, exhaust manifolds, and waterpumps. This block is a 2 bolt main and has the 3970010 cast in the back of the block then up above that is K 9 cast into the block. Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. 60 stainless exhaust valves. Small-Block Chevy Gen-I Cylinder Heads Standard Gen-I small-block Chevy heads position the valves at a 23-degree angle to the deck. Chevy Identification Numbers If you have a small block Chevy engine, and need to identify any parts you have laying around, or maybe the engine that is in your truck, I think you will find the pages below invaluable. Date code- I 1 3 Sept 1,1973 4 bolt main but I don't have the caps. The block identification would be the same on either (as above, usually these were 3970010 - alternatively, just 010 - blocks). Sep 19, 2013 - The engine block casting number for both BBC and SBC engines is found at the back of the block where the Chevrolet Block Identification number locations. Small Block Ford Casting Numbers ;. Small block chev, rear of engine #3970010 pass front #MLO 6800 - Answered by a verified GM Mechanic We use cookies to give you the best possible experience on our website. Look on the top on either side of center. The powerful shopping cart software for web stores and e-commerce enabled stores is based on PHP5 with SQL database with highly configurable implementation based on templates. it has 68,000 miles on it. You need the suffix off of the block to know for sure. Casting Number 3956618. it will have 4 bolt mains, cast iron crank, cast pistons and standard press fit connecting rods, Is This a Small Block Chevy? - Page 3 - JeepForum. Serial number is located by fuel pump on 29 - 37 engines. See casting number in pics. Chevrolet Engine Block Numbers April 12, 2014 Roadkill Customs Technical Info All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage. The last eight characters in the code specify the partial vehicle identification number. 69 used a variety of blocks of which the most common was 3970010 (the "010" block). Head-to-Block Compatibility Because of their comparatively small bores - 3. We bolted it in place with fasteners from our ARP accessory fastener kit (PN ARP-534-9801, $108). Used (normal wear), Selling a used 1968 V8 396 Chevy big block motor. See casting number in pics. Looked up the casting number and what you were told is what it is. Chevy Small Block V8 Engine Identification. C3 Tech/Performance - SBC Block Casting Number 14010207 - I am having a 383 stroker built for my 71. Chevy Small Block Engine Guide: Cams and Valvetrains A problem confronting many engine builders is making the best choice of cam and valvetrain components. Has 190 psi of compression on all cylinders, 65 psi of oil pressure. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. Public Auction Terms Cash Terms Cash many oTher iTems Too numerous To menTion Mark this date on your calendar 301 S. The 14010207 was the tip off for this being a GM 350 motor. CHEVY CASTING NUMBERS. Also the 69-70 186 head came large and small valve,and on a variety of cars. These blocks were cast and installed from 1969 to 1979. Will need a hone or bore and hone. This crank will need turned on the rod journals, maybe the mains too. you could get a belair with a 6, and if so, you did not get a "V" on hood or trunk. The coordination with the bodywork is evident and they really went the extra mile to make it look right, hood up or hood down. Block has never been bored. and the head casting reads 10110810 L094. and the suffix code is K0614C2R (C2R 82 305 Camaro 145 LG-4 TH 350 4-Brl ) is what chevymania. Serial number is located by fuel pump on 29 - 37 engines. com Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. JWT Automotive: Chevy Intake Manifold Casting Numbers Hot Rodding and Muscle car Technical information. com Chevelle-specific block casting number info Suffix codes. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. 3970010 350 69-80 2 or 4 Head Casting Numbers [ Back to Top]. For example suffix code "CMJ" was used in 1974 on a 350 and in 1980 on a 305. The good news is that this gold-zinc coated five-quart pan from Summit (SUM-G3531) only set us back $40. here are some cast numbers for chevy small blocks this is only listing early blocks n stuff it might help some people there is alot more on web Small Block Chevy Casting Numbers 3970041, 3814660, 3970010, 3914678, 3932386, 3955618 327 1968-69 Corvette, Camaro, and other high-performance applications. Car part for sale, Small Block Chevy (283) 1964-1966. I could find no reference to a 8970010 casting code for a chevy block small, big or otherwise. the casting number 3970010 was used by all three engines: 302, 327, and 350). The front pad is stamped CEB1482. NO, that casting number does NOT necessarily indicate that you have a 302. Best Answer: 3970010 is the block casting #. 454 Chevy big Block 7. Whatever parts you'll find for the Olds engine will be much more expensive and will yeild smaller return on investment(in terms of performance). Just above where the water pump bolts. Chevy small block casting number cross reference. Строк: 132 Small Block Chevy engine identification. Car part for sale, 327 Small Block Chevy. The block casting number for 67 302's & 350's was 3892657; 68 302's & 350's was 3914678. This is followed by a two or three letter suffix that represents engine data such as size, model year and engine horsepower. For most V8's, including Chevy but excluding Ford, you count as follows: Front Left, Front Right, Second Left, Second Right and on. 10054727 Small Block V8 1986 350, 2-bolt or 4-bolt, one piece rear seal. Can you tell which water pump is for pre-1969 applications?. In this Throwback Thursday, we're taking a small jump back to September 2013. Chevy small block head casting number cross reference Chevy small block cylinder head 3970010 '68-76: 350 4-bolt: 3970020. what hp am i looking at with this motor being stock?. I did a little more research. The front pad is stamped CEB1482. on the side of the block there is a number 088. Edlebrock aluminum intake. Need car detail. Small Block Chevy Engine Identification » this is images about small block chevy engine identification posted by Brenda Botha in Small category. Must have mixed in on that day. Is it 3970010? The 3970010 block is the most common 4. Small block Chevy casting 3970010? Well, it been a while, and I am working from memory, but, the 010 at the end tells me heavy duty, maybe truck. Exact fit, superior workmanship. A big block Chevy (BBC) or small block Chevy (SBC) head is readily recognized by Early on, there was much made of the supposed difference in flow between the. The 3970010 block casting number can be either 2 bolt main or 4 bolt main. Block Casting Number = 3970010; 1969-1979, 302/350 cid, car & Truck, 2 & 4-Bolt Mains, 4 Bolt Most common. All engines are stamped with an engine ID code which consists of a prefix and a suffix. They came in both two and four bolt main configuration. The heads are dated L20 & C281 (December 2, 1970 & March 28, 1971). Dart wouldn’t give us a number, but assume 1,000-plus Model: Casting number 3932388 standard two-bolt main: General Motors shipped the original tooling for the small-block Chevy from its. Hoping for some help. 250: 2 bolt main with canister oil filter (rebored at factory?) 3855962: 1965-66: 396. Connecting Rods Big Block Rods 111 Introduction 109 Small Block Rods 110. Casting Numbers – Casting numbers usually consist of seven digits. 000in bore motors, and set the stage for what was to become the most common bore size among small. Chad7598 on 03-12-2010. Big block on the right side of engine above the oil pan rails. 69 used a variety of blocks of which the most common was 3970010 (the "010" block). Small Block Chevrolet Engine Blocks: Block casting numbers are found on the ledge to the rear of the number seven cylinder on the driver's side of the smallblock V-8s. I personally took a 010 motor out of a 74 or 75 malibu and to my dissapointment, it was a stinkin 2-bolt block. when inspection the motor there was no dipstick. Their notes say this: "Very little is known about this block". They came in both two and four bolt main configuration. BLOCK CASTING CRANK CASTING HEAD CASTING; 1: 3970014 3932388 3970010 3914678 366245 14016379: RWD Carb, small block, 2 bolt main, 6 bolt exhaust. This is for three different engines, it could be a 302, 4-bolt main, 327, 2 bolt main, or a 350 2 or 4-bolt main. Chevy Small Block Engines. 454 Chevy big Block 7. Also: solid axle Corvette, Sting Ray Corvette, Chevelle, Camaro, Pontiac, Mopar, Chrysler, Oldsmobile. 480" Stroke 1pc. The casting numbers from the block and heads is all you really need to know. Running on start stand with 35-40 psi oil pressure. I also have a 3 inch body lift which makes seeing the. 2 block small block chevy. Chevy Small Block Casting Numbers If this is your first visit, be sure to check out the FAQ by clicking the link above. Chad7598 on 03-12-2010. - Answered by a verified Chevy Mechanic. Asking $1100 NO LOW BALLERS No trades. ENGINE DATE CODE: The engine date code is a two symbol code cast into the block. Threads Tagged with 3970010. Engine Assembly Date/Suffix Code: macswebs. Chevy Small Block Engine Guide: Cams and Valvetrains A problem confronting many engine builders is making the best choice of cam and valvetrain components. Casting Date. The cam is a Comp Cams solid street roller with. Back to Engine Parts; Intake Manifolds; Small Block Intakes; 348-409 Intakes; Big Block Intakes; Cranks and Rods. I used a lumber crayon to highlight my casting number. How to Identify a Small Block and a High Nickel Block on a Chevy by Richard Rowe Chevrolet has produced the small block engine in dozens of different configurations since it was first introduced in the mid-1950s. Edlebrock aluminum intake. Block casting numbers 3970010 If interested or have any questions please text or call Ray at show contact info. Shop in Bare-Engine-Blocks- from Terry Rosebush Motorsports. Your block number 3970010, wasn't introduced until late April of 1969, meaning it had to have been from 1977. Need car detail. Complete engine. 00) Nascar chevrolet sb2. Casting number 3970010. 160 bore, 1-piece rear seal. Just wondering if there good for a street strip block. This is date coded L28 (Dec 2nd, 1968). 010 Small Block Chevy 350 Standard Bore two bolt main complete disassembled short block. A "two-bolt" main, or a four-bolt main. An aluminum head casting - distinguished by Chevy Bowtie logos at each end - and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm. To determine whether your engine is a 327 or 350, you could measure the stroke or pull the pan off the block and check the crank casting #. What is it and what does it mean. In the 1962 model year the Corvette came out with 327cia. An interesting thing happened in Chevy plants sometime during the 1971 model year production; early in 1970, Congress past a law requiring all U. To place an order or inquiry cut and paste an items description in an Email to [email protected] here's the casting code: GM 3970010 I don't know the engine ID number (I will find out tomorrow when I pull the heads off though). Not 387etc. we were rewarded with our best corrected numbers of 355 hp and. Heads Good. Small Block Engine Data. Casting Number 3834810. Now, they both have the same casting numbers, 3970010. Se Habla Espanol. Year range 1969- 1985. The code for the engine in my 76 Vette is 3970010 and it can be either 2 or 4 bolt mains. Casting # CID Year Model Apllication 3970010: 350: 69:. This DZ wears a 3970010 casting number meaning its a very rare block, but still the question remains,whats it worth? Other. This code is located to the right of the distributor on the top rear of the block. Chevrolet Performance's Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines.