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Old 08-15-2010, 01:11 AM   #12
raycow
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Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
Re: New project I have some ???s

Quote:
Originally Posted by M5- View Post
Here's a few more pics to help with the ID. I can get whatever pics will help.
From your pics, the engine is either a 230 or 250, and the casting date nails it as a 230. A 292 would have the fuel pump located to the rear of the mount instead of in front of it. As for the TF suffix, GM often used the same code for multiple years, which is why you sometimes need the casting date in order to insure positive identification.

On the evidence of your build sheet, it is almost a certainty that the truck had a 292 as built. That engine probably failed at some point and the owner decided it was more expedient or cost-effective to replace it instead of doing a repair or rebuild.

The one aspect that still has me puzzled is the yellow external parts. While the valve cover and manifold could have been transferred from the 292, the pushrod covers would have been too tall to fit a 230. Do you think the truck might have had three engines during its lifetime?

Ray
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