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Old 11-06-2019, 07:53 PM   #12
Factory Guy
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Join Date: Jun 2019
Location: Midway USA Kentucky
Posts: 540
Re: small block in a dually

Quote:
Originally Posted by gafiredog View Post
Thanks guys, just wondered, my 85 crewcab dually has a 350, and could use a little more. I have had 2 different people tell me that one had a 80 crewcab, with a 305, from the factory, and another guy had a single cab dually with a rebuilt 307, he said it did just fine. hard to believe.

My 350 is the same as it was a Cal “spec” so it got low compression pistons and put out a whopping 155 HP when it was new.

Now it has never been run for long periods at high Rpms so at 100k miles it still has some life, but it is definitely not fast.
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