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#26 |
Registered User
Join Date: Oct 2006
Location: Murdock, Kansas
Posts: 147
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Re: How do you make 350+hp in a 350??
So if i went with the vortec heads what else would i need for a completed head/valvetrain. And what would it do to compression? Would I have to go to dished pistons or could I keep the flattops and still run it off 89 octane fuel?
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1968 C-10 longbed, 307 V8, 4spd- currently under construction ![]() ![]() |
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#27 |
Account Suspended
Join Date: Sep 2005
Location: Monroe, WA
Posts: 3,815
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Re: How do you make 350+hp in a 350??
Vortecs require self-aligning rocker arms - the CompCams self-aligning roller tips are a good choice. If you are not using more than .475 lift then the stock Vortec springs are fine. The GMPP Vortecs are 64cc - so depending on your existing heads there would be no change in compression.
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#28 |
Registered User
Join Date: Oct 2006
Location: Murdock, Kansas
Posts: 147
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Re: How do you make 350+hp in a 350??
Thanks for the input guys.
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1968 C-10 longbed, 307 V8, 4spd- currently under construction ![]() ![]() |
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