3970014

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.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.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.Chevy 350 engine. Pulled from a 1970 c10 pickup truck. Engine was running when pulled, no smoke. Engine needs resealing or rebuild. Sold as is. Pickup in Helotes TX. Have engine hoist and can set this in the back of your truck. Block casting number 3970014. 68-79 350 car and truck engine. This engine will have 2 piece rear main seal.Aug 20, 2012 · A user asks about the RAI 1238 code on a 350 block casting 3970014 used in a 68 Chevelle restoration. Another user replies that it is a rebuilders id stamping and that the block was used in many vehicles.The T0414CNR decodes as follows: "T" is for the Tonawanda engine plant. "04" is April, "14" is the 14th of the month. "CNR" is the engine suffix code for a 350/300 with a 4bbl and an automatic from a 1970 passenger car (Impala, Nova, Camaro, Chevelle). 3970014 is the block casting number. "D1370" is the block casting date "D" April, "13" 13th ...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.

Rear Main Seal, 2-Piece, Rubber, AMC, International, Jeep, 196, 199, 230, 232, 242, 258, L6, Each. Part Number: FEL-BS40612 4.75 out of 5 starsSo it turns out the block is a casting number 3970014 and the heads are 3973487. Both block and heads have the same date codes. The block and heads have never been rebuilt or seperated, wondering if this is a decent starting point to build a 350hp motor ? the guy is wanting $400 for it, nothing else except inlet manifold with it.Delco AM radio (non-op). Call (830) 629-4843 for more information on this 1974 Chevrolet Nova for sale in our inventory. Hit the open roads in this 74 Nova for $36,900. Engine. 350 cui Chevrolet Small Block V8 engine (casting# 3970014). Automatic TH350 column shift transmission. 10 bolt rear end.Question about Cars & Trucks. 1 Answer. I have a GM flywheel # 3873455N Is this a 10.5 or 11 inch flywheel.? Also suffix number V0601ABT, this is a 0010 block. It's in a 73 camaro with a Saginaw 4 speed.From this chart - I think you may be misreading the number - 3970010 is possibly the actual number: Which makes the engine pretty old 68-72 350 V8 - 4 bolt main. I included past this number so that you can see that the number you posted doesn't actually exist. And thus my conclusion that the 9 is most likely a 0.3970014 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" End Quote . Save Share. Like. N. ne70ss Discussion starterChevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. If you have any documented info that can be added to these pages, please contact me and let me know.Year Date Casting Size 2/4 Bolt BB=Bare Block Notes/Pad Number. 65 K-24-4 3782870 327 2 BB FI209H. 66 F-15-6 3849852 283 LB. 66 K-2-5 3858180 327 CE TI21bEA 67 CHEVELLE 275 4SP. 66 A-26-6 3858174 327 SB. 66 C-11-6 3858174 327 2 SB. 67 L-28-6 3892657 302, 327, 350 2 BB VOIIIMS, cracked, needs align bore. 67 K-9-6 3892657 302, 327, 350 2 BB VIII9MF.

73 early Chevy bare block - $700 (Tampa) 73 early Chevy bare block. -. $700. (Tampa) ♥ best of [?] for sale a 1971 Chevy small block machine shop bore block .30 cast #3970014 date 09/26/73 ready for a 383 stroke i have the documentation from the machine shop cost $368.00 text me for pics having a...According to Nastyz28.com, the HA code is a one year only and was made in 1969 for the 350 SBC 300 HP SS Camaro. The casting # is 3970014. According to Mortec this engine was produced from 1970 -1976. The VIN # was virtually impossible to read. I scraped off some yellow paint and found the last 3 numbers.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).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" ...We may earn a commission for products purchased through links on this pageI have a small block Chevy in my 36'. Block casting is 3970014. On the Passenger side of the front of the block there is a vin/block stamp shelf. It is stamped ' 1 6 R 5 # # # # # followed by T 0 6 2 3 C M J. The Heads have a casting # on them " F18 76" along with "GM3T" just below a triangle. I believe the last three of the casting number Is 882.

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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, 1970.1969 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.History of the Small Block Chevy. The small block was introduced in 1955 with 265cid. Unless you are restoring a car and want to be exact in every detail, the early 265 block is not one to use since it has no oil filter. During 1956 this was rectified and the engine continued in production until 1957. In 1957, the engine size was stepped up to ...z score test statistic makes this calculation fairly easy. Z= (value - mean)/ (Standard Deviation) Using a z table, you can get the corresponding p-value test statistic for this z score, it indicates whether a score of 75 is in the top 10% of the class or not. In general, the z score tells you how far a value is from the average of the data ...

The block, #3970014, was used from '69 thru '72, and could be a 2 B.M. or 4 B.M. Thanks, Gary in N.Y. P.S. The '492 heads work excellent, we have a set on a '62 Vette, pro-streeter running mid to low 10's on a 355" unit. The heads were built in 1980 for him and he still uses the car. These were the predecessors to the later '292 cast iron Turbo ...E. eric32 Discussion starter. 5453 posts · Joined 2008. #1 · Jan 4, 2018. Hello guys I am rounding up my last bit of stuff for my dart shp small block chevy build which is the two piece rear main seal and I came across two different rear main seals for my build. Felpro 2900 which is the traditional blue silicone one and also the felpro 2912 ...this is a used 300 horse 350 engine assembly out of a 1970 chevy monte carlo. engine code is cre--shows 70 camaro, chevelle, monte carlo, and nova. 3970014 block (3 is missing) dated j 15 9, 3947041 heads dated j 29 9.MCC # 843. Like. DZAUTO. 11349 posts · Joined 1998. #5 · Sep 21, 2010. Only two Chevy engines were externally balanced, SB400 and dirivatives, such as 383 and 454BB and dirivatives such as 468, 496, etc. Those engines require BOTH a balancer and flywheel with weight added to one side for balance purposes. ALL other Chevy V8 engines (WITH A 2 ...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.Details for 3970014; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1970-1975: Notes: 350, 2 bolt or 4 bolt: Added to DB: December 20, 2010 …came in 72-74 camaro, nova, chevelle, impala. the block could have came machined for two or four bolt mains depending on the application of the particular engine. they also came with different strokes. the block you have is the well known mass produced chevy 350 block. if you are going to rebuild it, have the it line bored. the blocks were produced so fast and so many, the manufacturers didnt ...CorvetteForum - Chevrolet Corvette Forum Discussion. C3 Corvettes, 1968 - 1982. C3 Tech/Performance. 14010207 Casting Number HELP. C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette.When I look at the cast number on the heads (3973487x) and the engine block (3970014). How can I find out if it is a -74 Engine or else? Is there anything else I can look at to clerify what engine it is. Original shoud be a L48 195 Hp . Save Share. Like. Sort by Oldest first

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 ...

Alan L. Colvin Corvette by the numbers also mentions that the 3970014 blocks were cast at the Tonawanda "metal casting plant" in 1972, however Alan's book also …Aug 20, 2012 · A user asks about the RAI 1238 code on a 350 block casting 3970014 used in a 68 Chevelle restoration. Another user replies that it is a rebuilders id stamping and that the block was used in many vehicles.CASTING# SIZE: YEAR: MAIN CAP BOLTS. NOTES: 140029: 350: 80-84: 2: 330817: 400: 72-80: 2: 355909: 262: 75: 2: 355909: 305: 76-79: 2: 360851: 262: 75-76: 2 Monza V-8 ...The OEM 4 bolt main wasn't introduced until 1968 and later 2.45" journal blocks used for 302 and 350 engines. 400's had 4 bolt mains in 1970-72. There never was a production 4 bolt main 265, 283, 305, 307 or 327. There is no OEM 4 bolt main cap for small journal blocks. Aftermarket conversions are available so it may have 4 bolt main caps but ...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.The Engine Block Casting code is one of the best ways to identify a Chevy engine 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.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.

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The 350 engine WAS produced in 1967.....but ONLY in the Camaro SS350. Same for 1968. The 350 cubic inch engine was EXCLUSIVE to the Camaro SS350 until 1969. In 1969, the 350 made was available across the whole Chevrolet line up, including the Corvette and pick up trucks. 1967 Chevrolet Impala SS convertible - Ermine White C1.3970014 shows as a '70 to '73 2 or 4 bolt main block. Used in camaro and corvette. 200-300hp. So, it maybe that this block was a left over used for PD in '74. It may have had a problem that keep it out of the line til a later date when it was cleared from pd use. Check the heads to see if they go to the block. pd castings were 333882.What year is a 350 Chevy engine with casting number 3970014? 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 ...You should stay away from line honing/ boring the mains. Anytime you do you end up with sloppy T-chain syndrome, at $125-150 a pop it isn't worth it on a common block. Most common local machine shops cannot correct bore to main mis alignment, most boring bars use the top deck for reference. You can have the block parallel decked, then get it ...one had 3970014 both were 4 bolt mains and very good blocks. i used to have a how to build a small block book wich said that the last digit meant what carb came with it from the factory . so the one you have would of been a 4 barrel originaly. that book also stated to look for that numberPost: 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.Rear Main Seal, 2-Piece, Rubber, AMC, International, Jeep, 196, 199, 230, 232, 242, 258, L6, Each. Part Number: FEL-BS40612 4.75 out of 5 starsSearch for Programs. Create an Account. Contact Us. American Job Centers. [email protected]. Have an account? Log in below! Username. Password.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 ... ….

Have 014 block! I'm thinking of replacing my special hi-perf monster 307 engine with the original block/heads. I read all about those "famous" 010" blocks but mine is a 014 block. One person in SoCal just told me that this is a special hi performance block with a higher nickel content than the 010's, & if it's dated before 1972, it's as rare as ...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 ...Fastest Nitrous 355, 383, 388 sbc setups. I was wondering what kind of wild nitrous sbc you guys have out there, I'm looking for some ideas for my 91 fox body. The car will be strictly for drag racing no road driving. I'm have to 350 blocks I can use and they are both 30 over one is 3970010 and the other is 3970014, I don't know what heads I'm ...Find many great new & used options and get the best deals for 1972 GM LA built Camaro 350 V8 carburated SBC longblock engine 3970014 WILL SHIP at the best online prices at eBay! Free shipping for many products!chevymastermind said: I have a set of Chevy heads with a casting number of 333882, with 1.94 Heads, i am hoping to make 350-375HP with them. the engine is a 350 Steel crank, 4 bolt main, 9.5:1 compression ratio with these heads, comp cams .480/.480 lift with 230/230 Duration at 0.50, 600cfm edelbrock carb, Performer RPM intake, headers …Here you can clearly see the CE067997 stamping on the engine pad. This one produced in 1970 at Tonawanda with engine serial number 67997. Note the "A" in the CE0A61217 stamping on the engine pad. Tonawanda warranty engines were sequenced from 50000 to 79999 but when that quantity was reached the sequencing began again with 50000 but the letter ...The casting number is 3970014, This tells me 1970-1976. also, how do you tell inf your crank is internal or external balanced/ Sorry for being so dumb but this is the first chevy for a ford man. id measure from the timing tab on the front cover to the center of the front seal and find a bal. that would fit. if you know its a 350 shaft then its ...Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. If you have any documented info that can be added to these pages, please contact me and let me know. 3970014, A discussion thread about a 350 block with casting number 3970014 and engine assembly date G 31 72. Users share their findings on the possible applications, stampings, and VIN of the block., Numbers in the rear reads: 3970014 Numbers in the front on pass. side reads 178423636. The third digit could also be the letter "B". Third number reads T0913CKH7 Any clues as to what I've got installed? Thanks, 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., From this chart - I think you may be misreading the number - 3970010 is possibly the actual number: Which makes the engine pretty old 68-72 350 V8 - 4 bolt main., While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). In 1968 the main bearing saddles were increased in size from 2.3" to 2.45"., BillK. 11198 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., 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 …, Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Chevy V8 Casting Number Locations. Chevy V8 SBC Block and Head Casting Numbers. Chevy V8 BBC Block and Head Casting Numbers. Chevy V8 "W" Motor 348-409 Casting Numbers. Chevy V8 Crankshaft Casting Numbers., Price: $350.00. For your review is a 1970-73 SBC four (4) bolt bare block casting #3970014, listed as a LA built Camaro. The casting date is D 7 70 and the VIN #'s 10A151785 …, 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., 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., The small block Chevrolet engine is one of the most popular street and race platforms to date. This is mostly due to the availability of engines and aftermarket parts, as well as reliability. If you're looking for small block Chevy torque specs and information, we've got you covered. Below are answers to the most common questions about the engine, including SBC torque specs., Address: 6991 E Southpoint Rd, Tucson, AZ 85756. The Ward 4 Land Property at 6991 E Southpoint Rd, Tucson, AZ 85756 is no longer being advertised on LoopNet.com. Contact the broker for information on availability. 6991 E Southpoint Rd, Tucson, AZ 85756. This Land property can be viewed on LoopNet., 1 - V0303TDR (yrs 1970-1973) 3970014 350cid 4bolt main (LA Built Camaro) 3 - V0913TYZ (yrs 1969-1979) 3970010 350cid (car truck vette) 4 bolt main . See less See more Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. B. …, 1 Answer. I bought a Chevy 350 , Block casting # 3970010 on rear pad, with Identification # V0408TDR - C8F438333 on the Front right pad. I actually helped pull this engine myself out of a 1976 Corvette, but, the owner could not asure me that it was it's original engine. Would gratefully appriciate identifing these numbers, or directing me to a ..., 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., SOLD!!!\n350 cui Chevrolet Small Block engine (casting# 3970014). Automatic TH350 transmission. Painted Deep Black exterior. Black vinyl bucket seat interior. Power front disc brakes. Power steering. Dual exhaust with Street Flow mufflers and Patriot stainless headers. Edelbrock Performer intake. Demon 4 barrel carburetor. MSD Pro-Billet ..., Powered by the correct 302/290hp engine, CE block (casting # GM 3970014) replaced under factory warranty. (Per camaros.org) A casting number could be used in multiple engine applications, including different engine displacements. The displacement could be changed by using different crankshaft strokes. There are many examples of this the 1969 ..., Nov 11, 2005. 8,399. living the dream in my own world... rwflather said: I also have a 3970010 block. It has the 010 and 020 on the back and front, so I also know it is a high tin/high nickel block. The casting date is I 3 9, so I assume it is late 69/early 70 block, and is a 4 blt main block., Sep 20, 2010 · MCC # 843. Like. DZAUTO. 11349 posts · Joined 1998. #5 · Sep 21, 2010. Only two Chevy engines were externally balanced, SB400 and dirivatives, such as 383 and 454BB and dirivatives such as 468, 496, etc. Those engines require BOTH a balancer and flywheel with weight added to one side for balance purposes. ALL other Chevy V8 engines (WITH A 2 ..., 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., 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 ..., Graph databases are anticipated to surpass other types of databases, especially the still-dominant relational database. Receive Stories from @tetianastoyko ML Practitioners - Ready..., Jun 8, 2006 · BillK. 11198 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., 3970014 3932388 3970010 3914678 366245 14016379: 1182 2690 3932442: 392185 3932441 3947041 3951598 3970126: 16: 350 5.7: 71-77: H/J/K/L/V V8: OHV; Carb left hand dipstick; 6 bolt exhaust manifold; tapered seat type spark plugs: 3932388 3970010 3970014 3914678 140163379: 1182 2690 3932442 310514: 3973487 333882 3998993 3986339 3998991: 17:, The Big Al. 16098 posts · Joined 2007. #2 · Mar 3, 2013 (Edited) TDB = 1980 350cu 190hp GM replacement engine. The casting is a3970010 I have seen the last number left off. Could be a 2 or 4 bolt main. Note: Engine could have been rebuilt and used a 350 block for the 327. Al., with this page. . Average of 88.4 points in 8 community wine reviews on 2018 Domaine de Baronarques, plus professional notes, label images, wine details, and recommendations on when to drink., 462624 head info. Jump to Latest Follow. 26K views 5 replies 6 participants last post by fiscus Jan 18, 2008. D. dirt burner Discussion starter. 1 post · Joined 2008. #1 · Jan 18, 2008. Iknow these heads are not the greatest.I am stuck with them. They have 1.72/1.50 valves.If I were to have 2.02 valves installed would they be good enough to ..., 11211 posts · Joined 1998. #2 · Apr 30, 2007. Strug, It is not at all unusual for GM's casting numbers to be missing a number. Someone probably screwed up at the foundry. Bill Koustenis. Advanced Automotive Machine Waldorf Md. Enginerepairshop.com. 1971 Heavy Chevy - original owner., 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., 462624 head info. Jump to Latest Follow. 26K views 5 replies 6 participants last post by fiscus Jan 18, 2008. D. dirt burner Discussion starter. 1 post · Joined 2008. #1 · Jan 18, 2008. Iknow these heads are not the greatest.I am stuck with them. They have 1.72/1.50 valves.If I were to have 2.02 valves installed would they be good enough to ..., 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 ..., 3970014 350 68-79 200-255 car & Truck 2 & 4-Bolt 3970020 307 69-73 115-200 car & Truck 2-bolt 3970024 307 69-73 115-200 car & Truck 2-bolt 3992386 327 68-69 car & Truck Large journal 2-Bolt 4715111 305 80 2-Bolt 6259425 350 69-79 2-Bolt 10036033 350 4-bolt Mexico cast Crate engine 2-piece seal. 10046164 305 86 2-Bolt