I would say save your money and get the AFR 165 heads. They make lots of power. My combo would have made around 320-330 on a dynojet. All you need is a set of AFR's and a better cam and you are there. If you have a T-5 get the 3.73's If you have an auto get the 4.10 gears.
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89 GT convertible, Kenny Brown level 5, Edelbrock performer, AFR 165's, Comp cams XE270HR, C&L 76, 24# inj, Crane 1.7's, 70mm BBK throttle body 298.2 hp 328.2 tq Mustang dyno
"Our lady of blessed acceleration don't fail me now" Elwood Blues
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