Pro Flo XT misalignment issue
#11
I'm in the process of port matching a holley hi ram and 6 ports on it are consistently off by an 1/8". Luckily my heads have some pretty hogged out runners, so I only have to touch the manifold not the heads.
#14
Yup, putting that on a motor with no boost, low displacement, or low revving (most dd trucks) you will notice a drop in low end torque, and a gain in power +7000 rpm which most trucks don't see. Holley now makes a Midrise setup for the DD trucks or cars with stock hood
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