Re: 1987 ECU remove & keep 700r4
Does the FAST system control spark?
I had a BTO lockup kit similar to the one you posted. Worked well. Easy fit. Locks instantly in 4th, so you kinda lose any slipping in 4th. It's ok though, by that time you're probably on the freeway already.
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'68 C10 SWB
'85 K30 Blazer
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