This motor will be a stroker. .386 I believe. So I need to find an 86 TPI setup or earlier? That correct???
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This guy speaks the truth. Stay away from the 870 ecm and get a 165. Then couple it with an ostrich box to tune and not need to burn chips.The 85 TPI setup has a weird ECM, so I would avoid that if possible ( although you could use the intake if you found that). '87 and later intakes can be used, but you will have to do a little work on the angle of the two center bolt holes on each side.