3970010 chevy block

Find many great new & used options and get the best deals for 1976 SBC Small Block Chevy 350 2 Barrel Engine 3970010, 333882 Heads, 346260 at the best online prices at eBay! Free shipping for many products! ... Crate Engines for Chevy, Engine Block Parts for Ford F-350, 2 DIN Car Stereos & Head Units,

3970010 chevy block. It’s official: a fully electric Chevy Corvette is coming — with new battery technology to boost its range, acceleration and efficiency. When it arrives, the battery-electric sports...

The 3970010 casting number was most commonly used to build 350s. Chances are probably 99.5% that its a 350. Also, he said he got it out of a truck so that eliminates the 302 and almost completely eliminates the 327. Dustinweaver, what year truck did you take it out of?

[email protected]. 9732 posts · Joined 2002. #2 · Mar 15, 2014. Early large journal 4" block. Produced in both two and four bolt mains. Cast in Saginaw, Michigan and machined/assembled in Flint, Mi. Companion block to 3970010.I was looking through my 1969 Camaro Reference Book and wrote down some numbers to look for which a couple of them were the intake manifold casting # 3932472 and the cylinder head casting # 3927186 like you mentioned. The other numbers were the distributor # 1111480 and the (3) possible engine casting #'s 3932386, …Block is a 3970010 , opposite side of block is stamped G17 ... 18C122629 means=1=Chevy, 8=1968 probably, C=Southgate, Cal, a full size chevy plant IIRC, the rest are ...Apr 21, 2022 · 1265 posts · Joined 2016. #4 · Apr 21, 2022. 350 truck motor – 4 bolt main VO217WK used in C10 to C35 trucks and industrial equipment came out of a MF combine. Built in Towanda, MI. Block 3956618 date B129 (Feb 12, 1969) Also used in 1969 302, 327, and 350. Heads 3927186 date: G318 (July 31, 1968) 64 cc, used on 69 302 SAVE FOR WHITE 68. SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps. (174) 100% positive. Seller's other items. Contact seller. US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*.

3932388 Tonawanda cast and built, probably identical to the 3932386 block . Used as a 350/300 only. Casting dates from September 68 to December 68 3956618 Identical to 3832386 with minor casting changes. Generally used in low power 327 and 350 3970010 Completely new engine case design. used up to 1975. Casting started in late …C3 Tech/Performance - 1970 LT1 engine number - My 350 engine has an engine number starting with CEC. The block # is 3970010. I ordered this engine new over the parts counter from a Chevy dealer in 1972. I thought it was a 1970 LT1, but the CEC prefix doesn't match up with anything I can find in the books. What does...Sep 19, 2023 · Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ... 1 post · Joined 2008. #1 · Aug 3, 2008. I have recently aquired a chevy small block and I'm having trouble finding out exactly what it is. I have found Four numbers. 3970010 along with "hecho en mexico" on the back drivers side. 254 on the back passenger side. 010 on the drivers side in front of the oil filter. and the engine code is "MK01800."Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Helping you find the best gutter guard companies for the job. Expert Advice On Improving Your [email protected]. 9732 posts · Joined 2002. #2 · Mar 15, 2014. Early large journal 4" block. Produced in both two and four bolt mains. Cast in Saginaw, Michigan and machined/assembled in Flint, Mi. Companion block to 3970010.Apr 11, 2008 · For this block, it would be the '69 only. If "original" heads '69 302 heads 3947041 but, also used on the '69 350. 3970010 was a common block used from '69 to '80 on the 350. Your best bet, quickest way to find out, research the block date code and engine id# on block, if not decked. I have two of these blocks 3970010 4bm myself. Nov 1, 2008 · Casting number 3970010 is a very desireable block it is a 4 inch bore used for late 327s, Z28 302s, and heavy duty 350s used as performance, truck, and industrial engines. They all vary as to being 2 or 4 bolt mains.

item 3 Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! Free Shipping - GM Chevy 5.7 350 Short Block 1967-1979 3970010 w/ free hat! $4,890.00The 010 is a side core for a small block chevy, and it does not guarantee that the block is a 4 bolt or not. Most were 4 bolt blocks, but some 2 bolts were ...If this listing is still up it's still available!! Chevy stock 350 small block 4 bolt main. Was rebuilt at one time yhen pulled for different engine. Has been sitting in garage since 2004. Was running when pulled. Comes with felpro complete gasket set and the original 2 barrel intake and carburetor and headers. Serious Inquires ONLYWhen it comes to buying a new or used Chevy vehicle, finding a reliable and trustworthy dealership is key. With so many options available, it’s important to know what to look for i...

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3970010 sbc id. I found a block and cant fint proper info on it. 3970010 on back of block. Pad in front of passenger side head. has B&B on way left side and 1022 on far right side. Front and rear mains are 2 bolt, rest are 4 bolt. By oil filter it has 010 then 020 then 167, under timing chain cover. is 010 then 509 then 020 with other #s ...3970010 - This is a small block V8 engine that was produced from 1969 to 1980. It was used in a variety of GM trucks, including the Chevrolet Camaro, Corvette, and Nova. 14015445 - This is another small block V8 engine that was produced from 1975 to 1985. It was used in the Chevrolet C/K truck and the GMC Sierra.C3 General - Block casting GM 41 3970010 with a 78 date code. Whats GM 41 mean? Thanks - I have a 69 with a block cast as GM 41 3970010 I believe its a 1978 block (J 78) and it has the smaller front pad, which is blank. The dipstick is on the drivers side. No made in Mexico script either in the back. Did all the 010...The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. The engine VIN also contains six digits that are used to denote the last six digits of the vehicle’s VIN. The engine’s VIN is important to some ...

Mar 22, 2005 · i was under the impression that this particular block casting 3970010 was some how stonger than other blocks high nickel or not. most of the casting number index sites show this number as "Heavy duty truck block hi perf ECT" they both came from circle track cars there must be some reason they were prefered not just for the nickel and tin content. am i incorrect. Therefore, the following rollover in the registry would use the serial number, ‘CE0A67997’. With or without the A, the specific engine ID would be the 6 digits after CE. In this case, that would be ‘067997’. The first one, ‘0’ would show off what year it was assembled in, as ‘67997’ is its serial number.Small Block Chevy Casting Numbers. Small block casting date is located on driver side rear of block on flange forward of bellhousing. Big block on the right side of engine above the oil pan rails. Casting Date Example: E038 – ... 3970010: 327 – – 2: A: 1969-79 ...On small block chevy`s I`ve never seen the suffix code at the start of the numbers, there always last. ... but then I just went out and bought a Chevy Parts Interchange book. 3970010 is the block that I started with on the 350 that turned out to be bored 060 over and the cam had a bearing 010 over. 1965 Plymouth Fury III Sedan 383 …Updated: 9/19/2023. Wiki User. ∙ 13y ago. Best Answer. GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt ...Nov 12, 2020 ... ... Chevrolet 3100 5 Window Pickup and over 200 other classics! Mechanics: GM 350ci V8 Engine Engine # 3970010 - Hydraulic Roller Camshaft ...Mar 11, 2009 · 1 post · Joined 2010. #6 · May 15, 2010. i have a small block 3970010. lg1969 said: It's used on 69' 302 Z/28 4 bolt main. 327 truck and industrial. 350 from 1969 - 1980. The block can be either 2 or 4 bolt main. You have to look at suffix letter in front of the block on the pass. side. Behind the alt. Details for 3970010; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1969: Notes: 302, 4 bolt, Camaro Z28, may be mistaken as 8970010: …Engine Casting Block #3970010 - Chevy Message Forum - Restoration and Repair Help. Chevy Forums FREE technical assistance for your restoration and repair. …

Sold · Chevy 350 small block engine #3970010. $320 $575. Hobbies › Car Engines & Parts. Listed a year ago in Lowell, IN. Log in for Details. Save. Share. Save. Share. Details. Condition. Used - Good. If this listing is still up it's still available!! Chevy stock 350 small block 4 bolt main. Was rebuilt at one time yhen pulled for different ...

Loaded in 1 ms.. There are 2,506 casting numbers in the database.2,506 casting numbers in the database.44 posts · Joined 2004. #1 · Feb 20, 2005. Hi everyone. I am going to purchase an engine with 3970010 as the casting numbers on it. The books indicate that this block could be a 302, 327, or 350. It is a four bolt main and my goal is to convert this block into a 383.1974 Small Block Chevy 350 SBC 3970010 E 10 4 010 4 Bolt Main STD. Pre-Owned: Chevrolet (5) 5 product ratings - 1974 Small Block Chevy 350 SBC 3970010 E 10 4 010 4 Bolt Main STD. $600.00. or Best Offer. $275.00 shipping. SB Oil filter Adapter SBC BBC Chevy GMC GM spin on w/ bypass New in box w/bolts.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 ...1 post · Joined 2008. #1 · Aug 3, 2008. I have recently aquired a chevy small block and I'm having trouble finding out exactly what it is. I have found Four numbers. 3970010 along with "hecho en mexico" on the back drivers side. 254 on the back passenger side. 010 on the drivers side in front of the oil filter. and the engine code is "MK01800."The 3970010 block casting number was used from 1969-1979.... But the "AAB" code narrows it down to the 1976 model C-60 (big truck chassis) like a grain truck, heating oil delivery truck, Fire tanker truck, etc. So block is a 1976. Listed as 8.5-1, but will actually measure out a bit lower than that, more like 8.1-8.2:1. 69 CHEVY DZ 302 Z28 ENGINE BLOCK 3970010 E229 CAMARO 4 BOLT MAIN STD BORE MAGGED. Opens in a new window or tab. Pre-Owned. $3,500.00. classicjunkyard (15,985) 100%. A user asks if SBC #3970010 is a good block for rebuilding and gets various replies from other users. The block is a 2 or 4 bolt main cast in Mexico and used in different models and years of Chevy cars and trucks.

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Location. Dallas, TX. Car. '82 Chevy K20. Jan 3, 2015. #2. Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and industrial, or '69-'80 (vehicles unlisted). You'll need at least your assembly date (number stamped in front of pass side head, which is No. 4 on the location diagram on this site) to narrow it down, assuming that number ... SBC 350 Bare Engine Block Casting # 3970010 4 Bolt Main Machined and Painted. stoversps. (174) 100% positive. Seller's other items. Contact seller. US $1,250.00. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. 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 …The first place we typically look is the casting number on the back of the block. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank.2 posts · Joined 2009. #1 · Feb 22, 2012. I picked up an engine last night at a local auction house and was trying to ID it. The numbers last night when we unloaded it were: GM3970010 block. V0707TBB on the engine pad. Intake was 3985577. I was heading over to shop in the morning to check a little closer. Any help appreciated. …Driverside dipstick 3970010. I did a thorough cleaning to find a number to identify my block better as I am still thinking it is a 1976 or 71. On the 4.5'' pad on the front I got a number c61173 853 k06 03 9k. And on the side in picture one I think it says (d f 1). In picture 2 on the left ledge at the back it says 3970010 K and the number 2 in ...1968 3970010 327 2 bolt. This is a side post from my original post about my motor. Everybody knows the 010 block was used on 69 to 79 350s. Everybody do some research and let me know what you find on a rare 010 block 327 2 bolt built in 68 what they were in and maybe how many were produced if any. Keep and open mind and search more than …302 BLOCK 3970010. Jump to Latest Follow ... Help I bought a 1969 Z28 with the wrong short block, I would like to put the correct short block back in the car to make the car a matching number car. ... A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Come join the discussion about performance, builds ...camaro-parts-world. 99.9% Positive Feedback. Seller's other items Contact. Joined Dec 2005. Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY 1973 Chevelle at the best online prices at eBay! Free shipping for many products!350 Rebuilt Chevy Small Block Engine Block # 3970010 with Edlebrock Intake Manifold This engine is in good rebuilt condition. The intake manifold is made by Edlebrock. This item is listed as Pick Up Only, but if you are interested in it and are willing to pay for the cost of shipping, please send me a message with your zip code and I will find ...General Motors said it has secured more than 110,000 reservations for its new all-electric Chevrolet Silverado, which includes reservations from more than 240 fleet operators, Chai...R. Ray J Neal Discussion starter. 26 posts · Joined 2008. #6 ·May 16, 2008. Based on the suffix TJA I found it is one of two motors. 1973, 160hp conversion cab truck, or 1979, 165hp forward cab w/ AT. Based on the 3998991 heads (1972/1973) I would think it is the 160HP model. So Pretty much LOW compression motor. ….

High Nickel GM #3970010 Engine Block "010 020" Marked Block decoding High Nickel! I estimate this motor makes around 420hp at 5500rpm and around 450ft lbs torque. ... 3972110, ss rs camaro motor engine, 302 DZ, 302 MO, CHEVY ENGINE, CHEVY MOTOR, 1969 1970 CAMARO Z/28, 1970 LT1 MOTOR, 350 360HP, 350 370HP, 302 …Small Block Chevy BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block cast. It has been used in many different applications. Only way I know to be sure of 2 or 4 bolt mains is to pull pan.SBC BLOCK # 3970010 Engine Block Casting Numbers This is probably the most common 4" bore SBC Block …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 ...Restore60s said: Original starter number for your block is #119497. Thats a Delco part #. Walked out to the shop & wrote the number down.---:thumbup: Kind of a broad statement. 4 starters for any given chevy small block. 153 tooth flexplate. 168 tooth flexplate. 153 tooth flywheel.Re: how much can a 3970010 block handle, it has the 010 high nickel casting ive personally run dyno proven 976 hp on a factory 2 bolt block with aftermarket caps and a half fill .biggest problem was keeping head gaskets on, because everything moved so much at those power levels. also had some main cap walk .had to be very careful with tune up not to detonate it .Ok I have a 3970010 block and on the back of it where the flexplate goes its got 010 stamped on it with 020 right under it. It's a 4 bolt block and I just bought another one and its got the same stampings but this one runs and I was wondering about how much horsepower a block like this can handle and is the 020 anything special I've seen 010 …Looking to ID further. Looking at a Chevy engine with the 3970010 casting number and trying to find out more info. The numbers on the machined pad on the front passenger side of the block are 151420105 K10 3P CMJ. From the info I'm looking at the CMJ means "1974 350 T400 Police" or "1980 305 full size/Camaro", but shouldn't the 9 digit VIN code ...It is a 3970010 4 bolt main 350. Dished pistons with the valve relieves. Cam had one rounded off lobe and the lifter that ran on that lobe was concaved. Heads are 3998991's This seems to be a low compression smogger type motor. Other than the cam lobe all the other items including pitons are in very good shape.The chance of it being a 302 is almost nil, and it being a 327 is almost as small. The 3970010 casting number was most commonly used to build 350s. Chances are probably 99.5% that its a 350. Also, he said he got it out of a truck so that eliminates the 302 and almost completely eliminates the 327. Dustinweaver, what year truck did you … 3970010 chevy block, GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt block used in cars, trucks and even corvettes. ... 4 Date code; 5 3970010 casting number. Chevy block casting numbers can usually be found on the rear of the block adjacent to where the block and ..., If this listing is still up it's still available!! Chevy stock 350 small block 4 bolt main. Was rebuilt at one time yhen pulled for different engine. Has been sitting in garage since 2004. Was running when pulled. Comes with felpro complete gasket set and the original 2 barrel intake and carburetor and headers. Serious Inquires ONLY, Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. ... It can be done on any 3970010 (or other) block. 99% of the time, the casting # won't indicate anything. …, 3970010 - This is a small block V8 engine that was produced from 1969 to 1980. It was used in a variety of GM trucks, including the Chevrolet Camaro, Corvette, and Nova. 14015445 - This is another small block V8 engine that was produced from 1975 to 1985. It was used in the Chevrolet C/K truck and the GMC Sierra., 69 CHEVY DZ 302 Z28 ENGINE BLOCK 3970010 E229 CAMARO 4 BOLT MAIN STD BORE MAGGED. Opens in a new window or tab. Pre-Owned. $3,500.00. classicjunkyard (15,985) 100%. , hello my old man has this small block chevy engine that im trying to find out what it is. the casting # is 3970010 (3970010 302/350 69-79 ..., Location. Dallas, TX. Car. '82 Chevy K20. Jan 3, 2015. #2. Casting No. 3970010 = '69 327 from Camaro, '69 327 from trucks and industrial, or '69-'80 (vehicles unlisted). You'll need at least your assembly date (number stamped in front of pass side head, which is No. 4 on the location diagram on this site) to narrow it down, assuming that number ..., Chevy 350 Details about GM 3970010 Small Block Chevy 350 Bare Block 4 Bolt 4.030 Bore I-20-6 Date. Where is the serial number on an engine block? The engine serial number is on a metal plate attached to the block, typically found on …, Nov 1, 2013 ... If that happens to be the vehicle this engine is currently sitting in they "match". I'm Done. I can GUESS the casting # is 3970010 and check ..., Block is a 3970010 , opposite side of block is stamped G17 ... 18C122629 means=1=Chevy, 8=1968 probably, C=Southgate, Cal, a full size chevy plant IIRC, the rest are ..., Apr 14, 1999. 25,167. Bismarck, North Dakota. They are basically the same. Chevy made both castings and used them pretty much interchangeably over the years. The 3970010 seems to have been made in much larger numbers than the 3970014. Jan 15, 2008. #3., 350 Rebuilt Chevy Small Block Engine Block # 3970010 with Edlebrock Intake Manifold This engine is in good rebuilt condition. The intake manifold is made by Edlebrock. This item is listed as Pick Up Only, but if you are interested in it and are willing to pay for the cost of shipping, please send me a message with your zip code and I will find ..., Find many great new & used options and get the best deals for 1976 SBC Small Block Chevy 350 2 Barrel Engine 3970010, 333882 Heads, 346260 at the best online prices at eBay! Free shipping for many products! ... Crate Engines for Chevy, Engine Block Parts for Ford F-350, 2 DIN Car Stereos & Head Units,, Nov 1, 2013 ... If that happens to be the vehicle this engine is currently sitting in they "match". I'm Done. I can GUESS the casting # is 3970010 and check ..., Yes, 3970010 is the Z-28 302. Also used in 350 applications for the Corvette, camaro, Chevt II, Chevelle and passenger. It was also used as a truck block. So yes, the Block number itself does not make it a Z-28. And as mentioned, the VIN Suffix is what makes it so. The vin stamp will use the Suffix DZ and only DZ., I have 2 questions about Chevy 350 blocks. I have been looking around and from what I have found is that the 010 020 block is a high nickel high tin block. ... high-tin block, but if the 010 is somewhere else, it denotes the casting number. The entire casting number (3970010) will be behind the left-side head surface, so you can always look ..., 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 ..., The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. The engine VIN also contains six digits that are used to denote the last six digits of the vehicle’s VIN. The engine’s VIN is important to some ..., Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY FOR PARTS at the best online prices at eBay! Free shipping for many products! ... Engine Block Parts for Chevrolet Chevy II, Engine Block Parts for Ford F-350, Engine Block Parts for Ford E-350 …, 3970010 is a 4.0" bore block, used to make 350's mostly (1968-1979), two years (1968-69) of large journal 327's and one year(1969) of 302's. The "high nickel block" thing is an car magazine/internet myth that just won't die, one of our members here and on other forums who worked for the GM casting plant in Flint, Michigan back in those days explained it all, the "010" and "020" cast numbers ..., 3970010 - This is a small block V8 engine that was produced from 1969 to 1980. It was used in a variety of GM trucks, including the Chevrolet Camaro, Corvette, …, [ http://www.castingnumbers.info/site/search/3970010 ] Showing 2 results on 1 page. 3970010. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date ..., High Nickel GM #3970010 Engine Block "010 020" Marked Block decoding High Nickel! I estimate this motor makes around 420hp at 5500rpm and around 450ft lbs torque. The balance is also correct 8" GM balancer correct for the timing cover., , This is what i have on you #s 3970014 block =350 1970-1976 can either be a 2 or 4 bolt engine. don't about the 200hp. Cole. C. Canuckcamaro Discussion starter. 32 posts · Joined 2011. #3 · Mar 10, 2011. Yeah that is what i …, I just bought a chevy 350 as a builder. Complete long block for $100. Any way I got the motor out of a 1982 el camino. I don't think it was original, i.e. they only came with 305's that year, as far as I know. The casting number on the block is 3970010. From the stuff I read it could be a 1969 to 1979 350 2 or 4 bolt ( this one is a 2 bolt )., The 010 is a side core for a small block chevy, and it does not guarantee that the block is a 4 bolt or not. Most were 4 bolt blocks, but some 2 bolts were ..., Chevy Chevrolet small block V8 engine casting numbers - WaywardGarage.com - Hot Rods - Musclecars - Project Cars - Farm Trucks, hello my old man has this small block chevy engine that im trying to find out what it is. the casting # is 3970010 (3970010 302/350 69-79 ..., camaro-parts-world. 99.9% Positive Feedback. Seller's other items Contact. Joined Dec 2005. Find many great new & used options and get the best deals for SBC 350 V8 ENGINE BLOCK 3970010 4 BOLT MAIN SMALL BLOCK CHEVY 1973 Chevelle at the best online prices at eBay! Free shipping for many products!, Gm 10066036 block or 3970010. General engine tech -- Drag Racing to Circle Track. Moderator: Team. 8 posts • Page 1 ... are only sand core identification numbers. The 010 is a side core for a small block chevy, and it does not guarantee that the block is a 4 bolt or not. Most were 4 bolt blocks, but some 2 bolts were built with 010 …, Nov 22, 2009 · It is a 3970010 4 bolt main 350. Dished pistons with the valve relieves. Cam had one rounded off lobe and the lifter that ran on that lobe was concaved. Heads are 3998991's This seems to be a low compression smogger type motor. Other than the cam lobe all the other items including pitons are in very good shape. , The block number - in this case 3970010 - is not the same as the block alloy casting codes (010, 020) that show alloy content and are cast inside the timing cover area on the front of the block. That's correct,and you may need to pull the cam gear to see it.It's the nickel and tin content in the block.