6-71
I have a stage 2 6-71 on my 350sbc
one of the biggest things to watch is detonation I use a plug 2 colder than stock and also an MSD-6-BTM ignition module which is designed for boost engines ie adjustable timing another good idea is water/methanol injection SNOW PERFORMANCE make a good unit I use a single 4150 Holley from pro systems.
Good Luck
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