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Old 05-01-2008, 09:53 PM
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Chevy 350 Casting 3970010

I have a chevy 350 engine with Casting No. 3970010. I was told to get the numbers from the flat panel on the "passenger" side and I did. They are TYF705125 and V1015TMM.

I have tried to look these numbers up and I can not find anything. Can someone help me, to identify this motor. I need to know what parts are compatible with it.

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Old 05-01-2008, 10:10 PM
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It's a 350, most anything for a SBC will work with it.

A simple search in the Engine forum turns up 200 results for your question about this casting.

http://www.hotrodders.com/forum/sear...archid=1755337

It's an extremely common casting.
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Old 05-01-2008, 11:17 PM
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Quote:
Originally Posted by misswriter415
I have a chevy 350 engine with Casting No. 3970010. I was told to get the numbers from the flat panel on the "passenger" side and I did. They are TYF705125 and V1015TMM.

I have tried to look these numbers up and I can not find anything. Can someone help me, to identify this motor. I need to know what parts are compatible with it.
V = Flint Plant 10 = October 15= 15th day of the month TMM = 74 350 c-10-1500

155 hp, 4bbl, used in 1973-1974 C-10 & 1500 GMC TRUCK, BLAZER ,JIMMY; 1975-1977 C-10 - C30 CHEVROLET & 1500-3500GMC TRUCKS, 73-79 G20 TO G30 /2500-3500 GMC VAN, 73-79 CAMARO, CHEVELLE, IMPALA, MONTE CARLO,NOVA,& SPRINT; 78-79 FIREBIRD, LEMANS, OMEGA, PHEONIX, SKYLARK & CENTURY WITH 350 V8. Info from Parts Interchange Manual 1967-1978 (interchange number 11)
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Old 02-05-2011, 04:02 PM
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3970010

Quote:
Originally Posted by misswriter415
I have a chevy 350 engine with Casting No. 3970010. I was told to get the numbers from the flat panel on the "passenger" side and I did. They are TYF705125 and V1015TMM.

I have tried to look these numbers up and I can not find anything. Can someone help me, to identify this motor. I need to know what parts are compatible with it.
that block is from a 78 chevy pickup. there are others. I have the same one.
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Old 08-21-2012, 05:15 PM
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I have the same casting 3970010. I think it is a 350, but it is in a 1978 Camaro LT that is supposed to have a 305.

I tried looking up the number stamped on the pad by passenger side head under the alternator, but I can't find anything on it. The number appears to be V10191FJ

*Driver side exhaust manifold is 364747 GM

Can anyone help identify it???
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Old 08-21-2012, 07:29 PM
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Quote:
Originally Posted by 1n00b View Post
The number appears to be V10191FJ

Can anyone help identify it???
1FJ is probably wrong, could be:
CTK
C3N
CTJ
CEM
CTH
for 78 Camaro 305.
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Old 08-21-2012, 08:13 PM
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Thanks for replying. Here is a quick pic. Sorry the fuel line is in the way! But I am pretty sure it is definitely FJ at the end.

The number before the F is really light but it looks like a 1. Could be something else tho...

http://www.mediafire.com/view/?68bdk...1dj7p6qda7b42u


Last edited by 1n00b; 08-21-2012 at 08:26 PM.
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Old 08-22-2012, 04:57 AM
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Remove a valve cover and find the cylinder head casting number.
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Old 08-22-2012, 06:42 AM
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Quote:
Originally Posted by 1n00b View Post
Thanks for replying. Here is a quick pic. Sorry the fuel line is in the way! But I am pretty sure it is definitely FJ at the end.

The number before the F is really light but it looks like a 1. Could be something else tho...

Free Cloud Storage - MediaFire

double check your numbers, then check this site: How to decode Chevy Engine Codes
it has been invaluable to me
an FJ or EJ looks to be a 327, but the casting # should be a 350, which is why I say double check.
A good way to read the stamped# is to clean it up with carb cleaner or similar, then take a little white or yellow paint and wipe it on there, then wipe it back off before it dries, the paint will fill in the low spots (stamped #'s and letters) and make them stand out.
good luck!
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Old 08-22-2012, 12:31 PM
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OK more cleaning... looks like V1019TFJ...
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Old 08-22-2012, 01:32 PM
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Chevy 350 Casting 3970010

How about 72-79 350 truck motor.http://www.nastyz28.com/gm-chevy-cod...s-suffix-7.php
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Old 08-22-2012, 01:48 PM
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Chevy 350 Casting 3970010

Quote:
Originally Posted by misswriter415 View Post
I have a chevy 350 engine with Casting No. 3970010. I was told to get the numbers from the flat panel on the "passenger" side and I did. They are TYF705125 and V1015TMM.

I have tried to look these numbers up and I can not find anything. Can someone help me, to identify this motor. I need to know what parts are compatible with it.
Decoding small block Chevy engine suffix codes and stamped numbers: TJT - TXB
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Old 08-22-2012, 02:09 PM
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Yep. That's probably it. 350 smog motor. 2 bolt main. With I am guessing 76cc heads. Thx!
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Old 08-22-2012, 02:20 PM
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Originally Posted by cdminter59 View Post
looks right to me, after looking at his pic again I'd say that's definitely a TFJ. 79-82 350 truck.
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Old 08-23-2012, 01:07 PM
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Quote:
Originally Posted by cdminter59 View Post
Try this link the above is a incomplete web page. How to decode Chevy Engine Codes
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