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Old 07-13-2007, 01:18 PM
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What is this engine ?

I know I saw a guide to ID a Chevy engine on here but can't locate it when I need.The # is 3970014 and I bought it for it being a 350 ci.

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Old 07-13-2007, 01:22 PM
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http://www.google.com/search?hl=en&q...=Google+Search
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Old 07-13-2007, 01:22 PM
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http://www.thedirtforum.com/castings.htm
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Old 07-13-2007, 01:33 PM
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it is a 350 but could be either a 2 or 4 bolt main.year 1970-1976
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Old 07-13-2007, 01:34 PM
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re: what is this engine

According to www.mortec.com its a:
3970014....350...70-76...2 or 4 bolt
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Old 07-13-2007, 01:40 PM
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Yes, but I think one of the charts also shows 68-69 hi-perf, as well as the later uses.
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Old 07-13-2007, 02:32 PM
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It "could" be a high performance engine but the BLOCK is the same. The piston/intake/head/carb selection is what makes the HP version of the engine, not the block itself.

Mark
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Old 07-13-2007, 04:16 PM
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Quote:
Originally Posted by NickO
I know I saw a guide to ID a Chevy engine on here but can't locate it when I need.The # is 3970014 and I bought it for it being a 350 ci.
most 350's ive seen with that casting# had a steel crank
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Old 07-13-2007, 08:06 PM
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I can't really say much else that anybody hasn't already said. But the 350 in my Blazer has this casting number, it's a two bolt main and has a cast crank.
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