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- - 230 or 250? (https://67-72chevytrucks.com/vboard/showthread.php?t=574099)

I realize all the components are mostly, if not all, interchangeable between the 230 and 250. But this is just for my knowledge and ego. Can someone help me differentiate between the two. I've check many threads and found the engine was made in Canada and the month and year but im lost on the "ST" meaning. Please help!

Attach: the stamped #'s
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Casting number:
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I tried to help. Failed to find anything except what you said. Time will solve the matter. (Probably) ;)

Quote:

Originally Posted by Lugnutz65 (Post 5992464)

I tried to help. Failed to find anything except what you said. Time will solve the matter. (Probably) ;)

I appreciate the attempt. Thank you lugnutz
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Quote:

Originally Posted by MyNewFoundGlory (Post 5991491)

The ST suffix shows up as it was in a "P10" VAN? 230 Cu In for 1966 and 1967 . ST code was not used in 1965 or 1968.

Quote:

Originally Posted by 60-66 (Post 5992527)

The ST suffix shows up as it was in a "P10" VAN? 230 Cu In for 1966 and 1967 . ST code was not used in 1965 or 1968.

So you're saying it is a 230? Yea I was told the motor was replaced once before in the 70's but I figured it was a direct replacement, not a different vehicle type. Thanks 60-66
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All I could find was 64-76 230/250 chevy/olds

Quote:

Originally Posted by MyNewFoundGlory (Post 5992488)

I appreciate the attempt. Thank you lugnutz
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This is ironic, really. I tried to help you and now I'm in a similar fix. I just bought a 66 parts truck. Engine looks original, but nope. I have the little book from the dealer with the engine number stamped onto the protect-o-plate (a little metal card) that came with the truck. The card says the engine serial # is F0124TF.

You can see my photo of the engine serial# stamp says F1112TP1 or maybe F1112TP7. I'm stumped. I can't figure what it's from. Could be from a Nova or maybe a later model truck. We shall see. Mystery.

So it's not the original engine. I had suspicions because the crank pulley is a double groove and the truck doesn't have any PS setup.

The good news is that this motor might actually turn out to be OK for me to use. That'd be a bonus for me since my original 230 has bad compression numbers.

EDIT: OK I just figured out that the last 3 are all letters - F1112TPT. According to the LMC catalog, my engine is a 250ci from a 71 or 72 truck. That's cool. I can live with that.

http://i618.photobucket.com/albums/t...psfaf2c83b.jpg

Jay