Thread: What GM create engine to buy for 3/4 ton 72 C20
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Old 11-15-2017, 03:28 PM   #36
truckster
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Re: What GM create engine to buy for 3/4 ton 72 C20
[quote=jocko;8083021]
Quote:
Originally Posted by truckster View Post
Jocko, the HT 383 has a hydraulic roller cam: http://www.chevrolet.com/performance...l-block-ht-383

Has anyone does this that can confirm you won’t kiss a piston in the slightly higher compression L31 with the slightly higher lift of the HT383?
That's what I have in mine. I haven't fired it up yet, but my machinist confirmed it's good to go and it turns without hitting anything.
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