any ideas would be great

[black02]

i went and had my car tuned by a very well known tuner her in fl and came out with 463/480. i am very upset with these numbers as my mods are diamond 4v pistons 20 over
comp stage 3 cams
comp cams springs 26123
valve job
heads port/polished
bassani catback
high flow cats
2.76 upper
JLT ram air intake
mafia
kb bap
60 lb injectors
ported blower
2 lb lower
the same set up was on another local car w/o head work cams and pistons and it made 509/540. any ideas on what to look for as far as what could be wrong? i think i should be well over 500/500. any help would be great guys!!!

 

[01cobravortech]

Your first step should be to take a look at the motor with a leakdown and compression test to rule out any issue there.

 

[Steve2050]

Mustang dyno or Dynojet?

 

[black02]

dynojet/ leakdown compression check will be done soon...i just hope that is not the issue!

 

[03cobra#694]

Who was the tuner?

 

[black02]

im not gonna put his name out...dont want him tied to a car that made no power that should make pretty good numbers. he is well know and does a great job tuning im sure that is not my issue.