89 tbi on the juice?
#21
On a stock 93 TBI, stock chip, stock timing(0), 150hp NOS plate-no problem. Those motors are only 8.75 compression ratio and are already very spark retarded. Might have problems with an advanced timing chip. It's always a good idea to start with the small jets and work-up.
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GrooveCityZ71
GM Engine & Exhaust Performance
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08-31-2015 12:05 PM