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Old 09-10-2002, 04:48 PM   #1 (permalink)
5.0 Pony
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Default GT-40 heads

I have aan all stock 88 5.0 mustang. (Except the cold air intake). I am interested in buying a set of GT-40 heads for it. It needs a little more kick. I dont want to buy rear gears or underdrive pulleys, it is my daily driver so i wanna keep it reasonable with the gas. I just want it to be faster too . There are sets of GT-40P heads on ebay for 175 bucks, what is the difference?? Also, do 5.0 Explorer's come with the GT-40 heads? Will the GT-40 heads work with the stock intake and stock headers? Also, how will the stock camshaft and speed density respond to these heads? ANy help is greatky appreciated. THANKS!!
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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Old 09-10-2002, 10:26 PM   #2 (permalink)
Tony Frank
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GT-40P heads are the ones from the explorers/mountineers. they will work with stock intake i believe but they require different headers due to different spark plug angles
Grand Valley State University Senior Accounting and Finance Major

1985 Mustang GT 19,000 ORIGINAL miles, E-303 cam, edelbrock performer RPM intake, holley 600 cfm carb, MAC headers, windage tray, 8.8 rear end with 4.10 gears, 4"cowl hood, 5lug conversion, 04 Mach1 wheels.
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