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Compression and tbi
HEY GUYS if I hv a 1988 gmc R3500 with TBI 454 . The ??? is if I keep all things the same but change the heads to these :
3993820....71-84...oval...OPEN...454 Passenger and Trucks, 113cc chamber, 255/114 ports will the TBI still work with the bump in compression , or will I have to upgrade the chip, fuel pumps , and regulator. THANKS IN ADVANCE GUYS. |
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