3970014

This is the casting Block number from my 350 SBC. One of those hard to find/ non existing codes. '86 Monte LS (total'd Fall '2013), '87 GTA TransAm TPI350 TH700-R4, '85 Fiero 5-speed, '75 MG Midget Buick Alum.V8 BW 5-speed manual, '77 Pontiac Astre Formula wagon 5-speed posi, '78 F150 4WD 351"M ==> 400" C6, '79 Caddy Seville Olds EFI 350" TH400 ...

3970014 - apparently not my year, I've seen one site (Chevy Block Casting Numbers: Full List Lookup [Free Download]) that says 68, but all others say 70 leading me to think the original engine has been changed. Apparently with the 3speed auto didn't came stock with that engine in that year so I believe it's changed too but still not surefrom Pot hole infested Western, New York. Ok you have a 3970010 block, now look at the date code on the back of the block. If the date code is anything higher than 71 it is a 350. 68-70 it could be a 302, 327, or 350. The 302 block had additional stamping that read DZ, most likely it is not a DZ block.A forum discussion about the differences and similarities between two Chevy block castings, 3970014 and 3970010. Learn from experts and enthusiasts about the history, performance and myths of these blocks.1969 396 casting date C 14 9 for March 14, 1969 - note this casting date is on the rear of the engine block next to the bellhousing. 1970 396 casting date B 6 70 for February 6, 1970. Note 1970 has a 2-digit year code. 1970 454 casting date of C 10 70 for March 10, 1970.If there was only one set of numbers (010 or 010) that was the point percentage of extra nickle (.01 or .02% more) and if there were two sets of numbers, the second would be the point percentage of extra tin. When boring a high nickle block, you can hear its much harder. The cutter makes a much higher pitched sound.

Aug 26, 2021 · These two numbers are the casting number and engine ID code. As the name infers, the casting number is cast into the block when the block itself is cast. This casting number will denote engine displacement, 2 or 4 bolt main caps, application year or year range, and often any specific application notes. These casting numbers are well known and ...How to wire tachometer 69 camaro with MSD distributer. Do not where to hook up the brown wire, on the distributer, which is MSD, also the white wire is not conected. removed a working sun tac and replacing with in dash factory tac. hope this helps. Posted by anthony germano on Sep 18, 2012. ALSO, YOU NEED TO CHANGE ORIGINAL TACH SIGNAL WITH MSD ...Using stock 5.7-inch rods in a 383 requires grinding the leading edge of the rod near the bolt on rods 1, 2, 5, and 6. One way to help with this clearance to use a new rod bolt from ARP (PN 134 ...3970010 350 69 Corvette late 69,4 bolt main 3970010 302 69 Camaro Z/28,Late 69, 4 bolt main 3970010 350 69-79 Truck 2&4 bolt main 3970010 350 69-79 Pass,Chevelle,Camaro,Nova,MonteCarlo 2&4 bolt main 3970010 350 70 Corvette 300,350,370 HP 4 bolt main 3970010 350 71 Corvette 270,330 HP 4 bolt main 3970010 350 72 Corvette 200,255 HP 4 bolt main ...This guide will show you the best ways to earn Turkish Airlines Miles&Smiles miles, which can be very valuable depending on how you use them. We may be compensated when you click o...

Engine # 3970014 - Casting Date: F2775 - Vin #: 15#486592 Serial # T0701CMJ Stock Cylinder Heads Edelbrock 4 Barrel - Carb #: 1406 8252 - Electric Choke - 600 CFM GM TH350 Transmission 3 Speed Automatic Numbers Matching - Vin: 15D486592 Front Suspension - Independent Rear Suspension - 4 - Link 10 Bolt Rear End - Ratio: 2.75:1 - Open ...What year is this engine? and ci. 3970010 350 69 Corvette late 69,4 bolt main 3970010 302 69 Camaro Z/28,Late 69, 4 bolt main 3970010 350 69-79 Truck 2&4 bolt main 3970010 350 69-79 Pass,Chevelle,Camaro,Nova,MonteCarlo 2&4 bolt main 3970010 350 70 Corvette 300,350,370 HP 4 bolt main 3970010 350 71 Corvette 270,330 HP 4 bolt main 3970010 350 72 ...Post: 1972 GM 350 Block 3970014 Dipstick tube location (Topic#179382) toyvet Member Posts: 1 Reg: 01-11-08. User Info. Send Private Topic View Profile. 01-11-08 09:24 PM - Post# 1340789 For the life of me I cannot find a hole on a 1972 Chevy 350 (Block # 3970014) for the engine oil dipstick tube.These numbers are from the front pad. 21B650536 K04 17 CTL. 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. I looked up the head casting numbers 3998920 and it said they are 72-73 350. The intake valves are big on these heads.Posted on Jul 30, 2008. SOURCE: 1987 Nissan Sentra diagram for fuel line routing. There are many online wiring diagram solutions, but the cheapest way to find your diagram is to purchase a haynes or chilton manual from the local auto parts store. Both have excellent wiring, fuel lines, brakelines, etc diagrams. I prefer the Haynes manual myself.The number itself can have 6, 7 or 8 numeral digits. They might look like this “361959” or “3970010” or “14015445”. The block casting numbers do not have any letters in them. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block ...

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Find many great new & used options and get the best deals for Chassis ECM Totally Integrated Power Supply Fits 12 DURANGO 3970014 at the best online prices at eBay! Free shipping for many products!Jul 24, 2010 · I see another source of the 3970014 block being a Tonawanda-built engine but destined for the LA Camaro plant. I suppose it could be possibile for a CNN coded 3970014 engine could have be inadvertenly shipped to another plant and installed in a Chevelle.C1 & C2 Corvettes - Engine I.D. prefix CNJ cast #3970014 - I need help identifying this engines original application. Bottomline I can't find my old book. Does …HowStuffWorks talks to the experts to find out how often you really need to wash your pillow. Advertisement Although most pillows have a tag giving laundering instructions, few peo...BillK. 11223 posts · Joined 1998. #2 · Jun 8, 2006. You need to look at the area behind the timing cover and see if there is an "010 or a 020 or both there. One of them indicates high nickel and one tin, dont remember which. Bill Koustenis. Advanced Automotive Machine Waldorf Md. Enginerepairshop.com. 1971 Heavy Chevy - original owner.

I see another source of the 3970014 block being a Tonawanda-built engine but destined for the LA Camaro plant. I suppose it could be possibile for a CNN coded 3970014 engine could have be inadvertenly shipped to another plant and installed in a Chevelle.GM 3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main 12L562306: 1 - Chevrolet 2 - 1972 L - Van Nuys plant (car not engine) 562306 - production # V0309CMD: V - engine from Flint MI plant 0309 - 9th of March CMD - in 72 was 165 hp equipped with th350 . Save Share. Like.Ford Block Casting Numbers. Ford Casting Numbers Explained. Casting numbers tell when a part was ORIGINALLY designed.. Example: The breakdown of casting number C8OE-9430-D is easy using the charts below: C = Decade of 1960. 8 = Year of the decade (8th year of 1960), 1968. O = line / Manufacture code.Chassis ECM Totally Integrated Power Supply Fits 12 DURANGO 3970014. Knox Auto Parts. (3898) 92.5% positive. Seller's other items. Contact seller. US $105.00. US $99.75 with coupon code. Price details.Chevy's First-Generation Small-Block V8 Casting Numbers. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal. 10051182 Small Block V8 2 bolt, Bow Tie block, 3.75-4.30 bore, 1-piece rear seal. 10051184 Small Block V8 4 bolt, Bow Tie, 4.00-4.160 bore, 1-piece rear seal.Yes, Please make this my home page! Small Block Chevy Bore & Stroke Specifications. *Production of 305 car engines ended in 1992. +Production of 350 car engines ended in 1997. Small Block Chevy Casting Numbers. * Sometimes machined for 2-bolt mains. Note 1: Small-journal 302-CID engine uses 327 block.Buy Budweiser - 24/12 oz : Beer at SamsClub.com. Budweiser is a premium American style lager with the perfect combination of flavor and refreshment.The top news stories of the day include police reports of a hit squad in Haiti, and more Chinese companies preparing to be blacklisted by the US. Good morning, Quartz readers! Was ...

SOURCE: wire position for 75 Chevy 350 HEI on the. Order is 18436572. Put the timing mark on the crank at 0 and the rotor should be pointing either to the firewall or the front of the engine. If at the wall, turn the crank one more time and it is now pointing at the #1 wire position on the distributor.

The partial VIN code you give 14R433474 breaks down as: 1= Chevy. 4= last digit in year, the code CMR was used in 74 (to verify find the date cast on the block) R= Final assembly Arlington Texas. 433474= last six digits in VIN from vehicle engine was installed in. I think the Texas plant produced B-bodied cars, Caprice, Impala etc.A donor truck is a good idea, but the transmission, bell housing, cross members and transmission mounts will all be the same as long as you dont go from manual to auto or opposite. motor mounts will be different tho. i put a manual trans off of a 94 F-150 with a 300 6-cyl into my 91 bronco with a 351 V8 (5.8L) and used all the mounts and crossmembers off of the 94. only thing is the petal assm ...The number itself can have 6, 7 or 8 numeral digits. They might look like this “361959” or “3970010” or “14015445”. The block casting numbers do not have any letters in them. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block ...The other block's stamp code is 3970014. a 4 bolt & This block is already cleaned w/ the crank installed & balanced by a local machine shop, Hyperutectic flat top pistons.He is also throwing in a cast intake & cast heads, valve covers & distridutor. Which is the "better" block of the 2? Or which If there is any difference.Mar 25, 2016 · But it is very dirty on the out side the block, intake, and just everything. I had to rebuild the carb holley sa670, new hei and prime the oil in it. because the car has been sitting for the last 5 years. block is 3970014 and the heads 3947041. I was told the heads came from a chevy 302. the engine seems to run well, havent had a chance to put ...Today Cousin Mike @landoncustomclassics dropped off a Mystery Small Block Chevy that he's had for a while. We don't know a lot about it, but one things for s...The number itself can have 6, 7 or 8 numeral digits. They might look like this “361959” or “3970010” or “14015445”. The block casting numbers do not have any letters in them. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block ...Refer to this Chevy 350 Spark Plug Wiring Diagram before looking for options to replace them.. NGK R5IX Iridium X Spark Plug: Engineered with iridium, the most durable and conductive material for spark plugs, the NGK R5IX Iridium X stands out as a top choice for Chevy 350 engines. Its exceptional resistance to wear and corrosion ensures long …The '74 Chevrolet passenger car and light duty truck Overhaul Manual has the 145, 160 and 175 HP 350's all having 8.5:1 CR. The 245 HP 350 was rated at 9:1 CR. Like. M. monzter Discussion starter. 272 posts · Joined 2008. #8 · Aug 9, 2009. Yes, 8.5:1 is what I red out of the suffix code, if I remember correctly.

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1972 Corvette Main Specs. Uniconstruction: fiberglass reinforced plastic (FRP or “fiberglass”) body, backboned by a steel cage outlining the passenger compartment. Principal members – underbody, front and rear end assemblies, dash panel and hinge pillars are bonded, riveted, or bolted together and to each other.High Performance Circle Track and Oval Track Race Parts for Sprints, Late Models, Modifieds and Street Stocks3970014 casting cam question. Jump to Latest Follow 3K views 1 reply 2 participants last post by GoneNova/406 Dec 3, 2004. M. malibu68 Discussion starter 230 posts · Joined 2004 Add to quote; Only show this user #1 · Dec 3, 2004. i need to know the cam specks for this engine, all i know it that the casting number is 3970014 and it has …VF292800 - is an example of a over the counter crate engine. "2800" is the last 4 digits of the GM part # for the crate engine assembly. The final digit could be a year code. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: A0198005 (A = january, 01, 9800 = pn, 5 = 1985).How to find out the CID of a 3970010 engine number identification. 3970010 shows 68-1969 327 2 bolt and also shows 69-1979 3970010 350 185 370 2. This id # located on drivers side rear engine block stamped on pad. R.S.rear engine block has c-110 on it and R.S. front engine block has 12347 and drivers side of block 371 and 386 and …3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main 3970014 350 69-79 Truck 2 or 4 bolt main 3970014 350 72 Corvette late '72,200 HP,255 HP 4 bolt main.83 posts · Joined 2009. #1 · Apr 30, 2010. I found a set of reman 333882 heads with 2.02/1.60 stainless steel valves w/.500 lift springs and 3/8" studs and guide plates seems cheep about 320.00 for the set ready to bolt on. But I'm not sure about the intake and the exhaust flow numbers and how they compare to the old double hump heads any ...ChatGPT, Bard, and Bing are gaining traction but their outputs may not always be grounded in facts. This is the full transcript for season 5, episode 4 of the Quartz Obsession podc...Chassis ECM Totally Integrated Power Supply Fits 12 DURANGO 3970014. Knox Auto Parts. (3898) 92.5% positive. Seller's other items. Contact seller. US $105.00. US $99.75 with coupon code. Price details.I have a block stamped 3970014. I haven't dropped the pan to see if it's a 4 bolt or not. I'm wandering if this was included in the high nickle blocks or not. I know 010 was stated to be of high nickle. It states that this block was used in the 70-73 camaro and I figured that gm was still producing good hp engines in those years specified.Block casting 3970014 Cast date L 6 73 Pad stamp T1207CMR So far, I get a 350 block, assembled at Tonawanda on December 7, 1973. Now as far as I know, the CMR suffix points towards a 1974 model year Chevelle with a 350/145 engine..... But there is a partial VIN which is confusing me: 14S166280.engine number gm3970014. Jump to Latest Follow. 4K views 2 replies 2 participants last post by Jrocker84 Dec 1, 2003. J. Jrocker84 Discussion starter. 29 posts · Joined 2003. #1 · Dec 1, 2003. i found my engine id number and i want to find out what year my engine is and whereit comes from. any websites will help allot. ….

Persons using assistive technology might not be able to fully access information in this file. For assistance, please send e-mail to: [email protected] 508 Accommodation and the title of the report in the subject line of e-mail.Feb 10, 2014 · 15636 posts · Joined 1998. #4 · Feb 11, 2014. Aside from maybe some minor changes in block castings over the years, the horsepower is made by primarily (1) compression, (2) heads, (3) fuel delivery. One must remember too the hp ratings in 1973 were more in line with realistic figures. Example a 1970 L48 (350-4) was rated at 300hp but the 1971 ...The cylinder head casting number and casting date code is visible with the valve cover off. The 3927186 casting number, often referred to as “186,” could have 1.94/1.50-inch valves or 2.02/1.60-inch valves, …Re: help to identify car 1969 rs ss. rs solenoid is for headlight washers that are located in the front panel above the headlights, they squirt washer fluid on the headlights when you hold the washer button to the left, it activated the RS solenoid to send fluid up front to both headlights. Its part of the RS package.3970014 1968-79 350 only 200 & 255 2/4 6259425 1969-76 350 2 10036033 350 4 Goodwrench crate motor, 2-piece rear seal, "Hecho en Mexico" 10051184 1986-up 350 N/A 4 1 piece rear main seal. BOWTIE 10051184 1986-up 350 4 Bowtie, 4.00"-4.155" bores, 1 or 2-piece rear seal 10054727 1986-up 350 2/4 one piece rear seal, some "Made in Canada" ...11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship.Block casting 3970014 Cast date L 6 73 Pad stamp T1207CMR So far, I get a 350 block, assembled at Tonawanda on December 7, 1973. Now as far as I know, the CMR suffix points towards a 1974 model year Chevelle with a 350/145 engine..... But there is a partial VIN which is confusing me: 14S166280.11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship.Jul 10, 2019 · 7034 posts · Joined 2011. #8 · Jul 10, 2019. 3970010 = 68-80 350 2 or 4 bolt main 4 inch bore. J67= October 6 1967, or 1977. This block was not cast in 67, so that leaves 77. If it says hecho in mexico on the block, I think it was above the pad location, it is a target 350 or crate engine built in Mexico.mickle Discussion starter. 3 posts · Joined 2009. #1 · Jul 23, 2009. I bought a street rod with a sbc, know nothing about engine. Casting number 3970014 dated 11/71 and a engine number dated 12/72. Lip on block marked vin 12L11924, engine number T1202CTL. Every thing I look up conflicts with the other. 3970014, 105 posts · Joined 2008. #1 · Jun 19, 2008. Block: 3970014 T1025CMR 14K444165 J23 73 CONV2. FRONT UNDER TIMING COVER: 014 G. 817 11. Heads: 3890462 GM 14 H206, 3890462 GM 19 H128. Pistons: L2210A 030. If I am correct, this is a 350 block with 327 heads and 302 pistons., Wipers going when they are off. Check under the dash or on the sides of the dash with doors open, or under the hood in a box marked fuse relay. In most GM cars and trucks these are the places where thay stash the fuses. Dec 29, 2008 • 1998 Chevrolet Corvette., Meta needs a physical space to sell its virtual vision and this is why it looks like your local shopping mall mobile phone store Meta has released images of its first retail store ..., here is what I found on my own search. 3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main. 3970014 350 69-79 Truck 2 or 4 bolt main. 3970014 350 72 Corvette late '72,200 HP,255 HP 4 bolt main., 1 post · Joined 2011. #1 · Jul 9, 2011. I want to ID my small block Chevy engine. The numbers I have include: (a)the casting number is 3970010, (b) there are two serial numbers on the front passengers side of the engine, these numbers are V0505TDR and C8F454789. I would really like to know cubic inches, horsepower and 4 bolt main or 2., ps. these are going on a 350 with block casting number of 3970014 [ February 12, 2002: Message edited by: philip ]</p> Philip Bland 1961 chevy apache 1964 chevy custom. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. J. js34Ford., Turn signals are messed up. Yes ,the plastic cancel peg on the left is broken ,right is close. to breaking also,only fix is a new turn signal switch,sorry. should be about a 60.00 job ,plus the switch .another 60.00or so. Jan 06, 2013 • 1997 Buick LeSabre., Here we have a perfect example of a true, one-off, hand-built, custom rod!! No detail was overlooked in this build. The pictures should speak for themselves! You are looking at a 1919 Ford C-Cab Delivery.Engine: 1972-74 350, 300hp, L-65 Camaro engine, built in Los Angeles Casting #3970014 Front tab#T1119CKB/120135398 World heads w/ studs, 1.94 ..., Jeff Smith: On most engines, it’s fairly easy to tell the difference between internal and external balance. The quick answer is that if the rotating assembly is externally balanced, it will have an offset weight on the harmonic balancer and the flywheel/flexplate. If the engine is internally balanced, the harmonic balancer and the flywheel ..., Jul 21, 2006 · Smallblock 350. Prefix/code CNJ. Casting #3970014 used from 1970-1976. Casting date December 8th, 1969. If I remember correctly this could have been a 2 or 4 bolt main. Can anyone help with this one. Thanks in advance!, I know I saw a guide to ID a Chevy engine on here but can't locate it when I need.The # is 3970014 and I bought it for it being a 350 ci. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. F. F&J., Chevy’s First-Generation Small-Block V8 Casting Numbers. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal. 10051182 Small Block V8 2 bolt, Bow Tie block, 3.75-4.30 bore, 1-piece rear seal. 10051184 Small Block V8 4 bolt, Bow Tie, 4.00-4.160 bore, 1-piece rear seal., Mar 29, 2007 · The things I have been able to find so far is that the casting # (3970014) makes it a 70-76 350, the date code (K375) says K-November, 3- I guess is for 3rd day and 75 is for 1975. Also (T1118CMJ) the T means it was built in Tonawanda, NY the 11 means November, the 18 means 18th day the C means Chevorlet, the MJ ?, High Performance Circle Track and Oval Track Race Parts for Sprints, Late Models, Modifieds and Street Stocks, Aug 29, 2004 · 11400 posts · Joined 2002. #4 · Aug 29, 2004. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship., Associate of Arts (A.A.) Electrical and Electronics Engineering. ॿ. View Jim Whitfield's profile on LinkedIn, the world's largest professional community. Jim has 1 job listed on their ..., High Performance Circle Track and Oval Track Race Parts for Sprints, Late Models, Modifieds and Street Stocks, Slip on. 4" high heel. Patent leather, leather, suede or denim upper. Leather or synthetic, leather lining, leather sole. Made in Brazil. Web ID: 3970014. shipping & returns. Buy Women's Lou Pointed Toe High Heel Pumps at Bloomingdale's today. Free Shipping and Returns available, or Buy Online and Pick-Up In Store!, 6269318. 454. 72. Holley. Rectangular port Aluminum. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers., Engine casting # 3970010--how to find the year. Thanks to some GREAT help, I found my engine casting number. By looking on the web pages some of you guys suggested, that number was used on 350's from '69 to '80 (also on '69 302's and '69 327's), both 2 and 4 bolt., Apr 4, 2008 · Block 3970014. I'm getting ready to remove this engine and install a dated 283. I was wondering if anyone could give me details on what it came out of. I was told it's a 350. Supposedly out of an L.A. built Camaro. 145 HP with a 2v and 155 HP with a 4v. Last edited by stingrayl76; 04-04-2008 at 04:58 PM., How to find out the CID of a 3970010 engine number identification. 3970010 shows 68-1969 327 2 bolt and also shows 69-1979 3970010 350 185 370 2. This id # located on drivers side rear engine block stamped on pad. R.S.rear engine block has c-110 on it and R.S. front engine block has 12347 and drivers side of block 371 and 386 and 11618N suffix ..., C3 General - 72-what production # was the block switched from 010 to 014? - DOES ANYBODY KNOW AT WHAT PRODUCTION # THE CYLINDER BLOCK WAS CHANGED FROM 3970010 CASTING TO 3970014 CASTING .....IN 1972. I KNOW THAT 3970014 WAS LATE PRODUCTION BUT AT WHAT # DID THAT START AT? IS IT POSSIBLE THAT SOME LATE PRODUCTION CARS..., The other block's stamp code is 3970014. a 4 bolt & This block is already cleaned w/ the crank installed & balanced by a local machine shop, Hyperutectic flat top pistons.He is also throwing in a cast intake & cast heads, valve covers & distridutor. Which is the "better" block of the 2? Or which If there is any difference., Aug 29, 2009 · A forum discussion about a 1971 Camaro SS engine with the code 3970014 and the VIN 350 2 bolt main short block. Users share their opinions, experiences and sources on the value and condition of the engine., Someone help, please! Is it possible for a '69 SS Camaro to have come from the factory with a "3970014" block? I always see "3970010", but some sites list the "3970014" as being produced prior to 1970. Thanks., Jul 24, 2010 · I see another source of the 3970014 block being a Tonawanda-built engine but destined for the LA Camaro plant. I suppose it could be possibile for a CNN coded 3970014 engine could have be inadvertenly shipped to another plant and installed in a Chevelle., I bought a 1961 Chevy Apache that the man I bought It from said had a 350 but after look at the casting number I cant tell if is a 307 or 350. The casting number is 3970024 Or 3970014 I cant see the last to numbers very well. Is there a other way to see the different between them., The classic 350. Our 350 HO is assembled with all-new parts and high-flow heads, giving you more power than just about any production-spec Small-Block ever installed at the factory. PART NO. 19355662. 333 HP @ 5100 RPM. 381 LB-FT @3700 RPM. 1. 2., Casting # Years made Valve Size HP levels used for Notes; 333882: 70-80: 1.94/1.50: 150-180: 76 CC Chambers Intake flow 137.2 CFM Exhaust flow 95.4 CFM These are crack prone!, 350 cui Chevrolet Small Block V8 engine (casting# 3970014). Automatic TH350 transmission. 10 bolt rear end. Painted Light Blue with Black Yenko "Tribute" Stripes. Black bucket seat interior. Power brakes. Power steering. Dual exhaust with Stainless headers. Rear Air shocks. Edelbrock intake. Demon 4 barrel carburetor., Casting 3970014 2) - 1972 Chevy 1/2 ton. Suffix V0420TDJ. Casting 3970010. The suffix code doesn't show the cast date of the blocks, it shows the date they where installed in the truck. Either one or both could of sat waiting to be used for 6 months or more. 10-23-2017, 01:59 PM ..., Ericnova. 1448 posts · Joined 2009. #2 · Jul 1, 2021. The 638 block was used mostly for light truck applications. it is not the LT-1 reverse cooled deal, so you need regular 1st gen style heads, stock or aftermarket. You'll have to do more research on the flat tappet into a roller block....I've never gone backwards like that.