Need help identifying Chevy 350 details

erikcaso

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Jul 6, 2016
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Hi. I'm new here. I've got an 81 Jeep Scrambler that has an engine swap. I was told it was a 350 TPI, but have had difficulty identifying for certain, in addition to what year/model engine it is. This past weekend, I started having some alternator issues and now need to know for certain to ensure I'm getting the right parts. Problem is that I can't seem to get to the engine casing stamp. I did notice that on the bottom of the block there is a plate with a serial number though. I've not been able to identify the serial number anywhere, but the part number (12486041) suggests it is indeed a 350. Can anyone fill me in on the details of this engine plate's information?

I've attached images, but they might be a bit hard to read. Here is what I can make out:
Part No. 12486041
Bore O.S. TN (might be IN, but looks like TN)
Main Brgs. STD
Thrust Width STD
Rod Brgs. STD
Date 04/17/2001
Serial # 15013725
S/C 7684


Thank you for your help!









 
Last edited by a moderator:

Mike Muir

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Use the casting no. on the rear drivers side where it connects to the trans.
 

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