Yea Tony G. recommends those at hp performance and there are a lot of people useing them with great results.
Troy at mmjax has it on his car and just dynoed it and on the 75 hp jet size he picked up 64rwhp. They said it would have been even more but his OD kept coming on at 70mph before he could get it to hit peak power. I do not know why they had to do the run in 3rd, something about the auto trans; so he is going to get a chip and try it again.
__________________
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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