You can extend your rpm range by 200 rpm's for free by rewireing your fuel pump to a switched power and taking the computers control of it away. The injectors cut off at 6450 though and you will need something for the computer to get by that.
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James Cox
RHC Member #44
nochevy@hotmail.com
1991 Mustang LX
Dart iron eagle block, 4340 28oz 347 crank, 4340 h-beam rods, probe ultra light pistons canfield heads “race ported by Brent Frazier”, solid roller cam and lifters “custom grind”, kooks 1 7/8" race headers, and much more.
Engine built by Brent Frazier.
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