Oem vs. Aftermarket
Can anyone tell me the advantages/disadvatages of running an OEM ECU as opposed to F.A.S.T., Big Stuff 3, etc? I know the aftermarket stuff is more pricey but that isn't my concern. I'm more concerned about tunability with custom and future mods, etc.
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'68 C10 swb
'69 Camaro convertible
'72 Chevelle
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