LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Engine Code Question

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Old 04-24-2010, 09:18 PM
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Engine Code Question

So I have a motor that was pulled from a 94 t/a. The engine vin is 2r2200245, my question is does this mean the motor is out of an f-body car? Or could it be a buick engine? It has cast iron heads, but i was wondering if someone put the heads off a impala, caprice, what have you, on an f-body block. Because if im not mistaken the cams are different.
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Old 04-24-2010, 09:23 PM
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The first "2" indicates its from a Pontiac..... that would seem to rule out the B-Body and Y-Body cars. The "R" indicates 94.

Courtesy of Shoebox:

http://shbox.com/1/block_vin.jpg

And yes, the iron head LT1's have a lower compression ratio and a milder cam.

http://www.enginebuildermag.com/Cont...0000004000.gif
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Old 04-24-2010, 09:34 PM
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Originally Posted by Injuneer
The first "2" indicates its from a Pontiac..... that would seem to rule out the B-Body and Y-Body cars. The "R" indicates 94.

Courtesy of Shoebox:

http://shbox.com/1/block_vin.jpg

And yes, the iron head LT1's have a lower compression ratio and a milder cam.

http://www.enginebuildermag.com/Cont...0000004000.gif
Thanks, I seen that link before I posted this, I thought maybe pontiac and buick might have had the same vin letter. But that clears it up for me, I was only wondering for the sole purpose of rather to change the cam or not.
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