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Old 11-18-2017, 10:00 PM   #56
truckster
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Join Date: Jan 2001
Location: Orem, Utah
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Re: What GM create engine to buy for 3/4 ton 72 C20

Quote:
Originally Posted by jocko View Post
Interesting, thanks, had never heard of that. More reason to install the cam one really wants up front! I think the HT 383 cam might be a nice addition to the L-31R, as some have mentioned above. I can't think of any reason that wouldn't work just fine, and with standard 1.5 rockers.
I've got the HT 383 cam in mine with the stock rockers. I haven't fired it up yet, but it should scoot pretty well. As far as opening up the heads for 1.6 rockers, it's hit-or-miss. You definitely need to check clearance for the pushrods, or you could end up bending or breaking them.
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