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Old 10-10-2021, 12:16 PM
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sjdiesel sjdiesel is offline
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Join Date: Jun 2013
Location: Thousand Oaks, CA
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Quote:
Originally Posted by b-man View Post
What you’re thinking of doing in option #1 looks like a decent plan.

However some headers would be the key to the additional power you’re seeking no matter which upgrade you decide to go with.
Yea that’s what I was thinking too. We did a back to back dyno test on my engine and the RA manifolds actually made more HP than headers. But I was thinking with the head upgrade having headers would only help.

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Sean
1967 GTO
Koerner built 468 with Edelbrock RP’s 315cfm by Butler, Luanti Voodoo HR 20510713, 4l80e, Holley Terminator EFI