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Old 05-09-2021, 06:37 PM
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67gtospud 67gtospud is offline
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Join Date: Aug 2012
Location: Seymour, Wisconsin
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Quote:
Originally Posted by steve25 View Post
Nows the time with a fresh motor to get this type of info noted so you can reference it down the road if need be and not be eft scratching your head!

Lift has nothing much to do with levels of vacuum, it’s duration and especially overlap that does.
I'll do a compression test when I've got a chance

Cam is 243/251 @.050, and I believe 27 degrees of overlap

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1967 GTO, 432 (428+.030), 4-bolt mains, factory Nodular crank, scat rods, icon dished pistons, Lunati HR 243/251@.050, .618/.622 lift, Edelbrock 72cc round port heads, 10.5:1, offy 2-4 intake, Edelbrock 650cfm carbs, Super T10 trans (2.64 first), BOP 10 bolt w/ Eaton posi and 3.36 gears