numbers and ratings on GT40 and GT40ps?
Hey, there is a swap meet coming up this weekend, and im looking for some heads. Does anyone know where i can find the ford part numbers to GT-40's? and GT-40Ps? Also, how much HP would they give me? THANKS A LOT!
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1988 Mustang 5.0 LX Convertible
-Mac Cold Air Intake
-K&N Cone Filter
-9mm FMS Spark Plug Wires
-Hedmann Headers 2.5" O/R H-Pipe
-Flowmaster 40 series 2.5" Catback
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