Matt, 1st off THANK YOU for making a swing with cam selection! Ya Gota make moves to move forward. That you did, that’s what moves the Pontiac community forward.
2cnd I have checked out you and your dads beautiful cars on numerous occasions,they are breath taking.
You guys are always in the motorhome so I really haven’t talked to y’all much
My 2cents on your original question, have you tried merge collectors?
I’ve always heard keep making the choke point smaller and smaller until it falls off then go back to the merge collector that made the most power.
I’m in that horsepower range but our motors are way different considering I run a 18 degree big chief head.
But for what it’s worth I have a 2 3/8 primary tube and a 5” merge collector that chokes down to 4”.
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"You have to evaluate the past,Focus on the future,and that tells you what you have to do in the present"--Lou Holtz
“It’s the process it takes to get to goals that sets us apart, the execution on every single play, one play,one life”
Notre Dame Head Coach Marcus Freeman
69 GTO NHRA Super Street Car
2860lbs 10.890@157.08 MPH in Iowa in June’23 ,157.56 MPH in Gainesville in March ‘23
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