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Old 11-23-2017, 09:11 PM   #36
jocko
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Join Date: Oct 2009
Location: Godley, TX
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Re: Any idea on what this knocking is 72 C20 350

Quote:
Originally Posted by Chilly178 View Post
I wish there was a good middle ground by GM that had a one piece rear main seal, hydraulic roller cam, vortec heads, and uses a mechanical fuel pump.
you and me both. I think the HO 350 has a mech pump - about $2800.
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