Gold Lifetime Member
Join Date: Jun 2013
Location: Stanislaus Co. Ca.
What intake you running ?
If your running an open plenum victor, the 1/2” tapered 4 hole MAY help signal at your carb, helping low end.
I went back and forth swapping manifolds and efi/carb with my cnc’d port matched Victor and my hand worked RPM air gap.
The dual plane is noticeably better at torque, and pulls to 6500. Which works best for me at autocross.
Straight up full throttle drag. Then the Victor.
1968 Butternut Coupe,
421" Dart SHP block
TKO 600 RR
Dutchman 9" w/3.70
Speedtech torque arm,Ridetech HQ coilovers
Global West arms
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