Welcome to Lat-G.
I want to help in any way I can.
I installed a FAST XFI. Version 2.05 in sequential mode on my 68 Camaro.
I have completed some minimal tuning and attended EFI University by Brian Macy.
My problem is that was almost a decade ago.
But please tell us a couple things to better understand your situation.
Camshaft lobe separation angle.
Type of intake.
Distributor plans.
ECU mounting location.
Thanks for joining. This forum teaches me everyday
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