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Unread 10-20-2008   #1 (permalink)
Bill's88 is offline Rookie


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Default 1988 Mustang GT How Much HorsePower?

I have a 1988 GT that I just bought and was wondering what kind of horsepower am I looking at with this current combo?

93 Cobra Computer
FRP Cobra Intake
FRP 65mm Throttle Body
24lb Injectors
FRP Mass Air Conversion
C&L 73mm Mass Air Meter
Holley 155 lph fuel pump
FRP 1.6 Roller Rockers
Trick Flow Stage 1 Cam
March Underdrive Pulleys - Crank, Alternator, Waterpump
Electric Fan
130 AMP Alternator
FRP 3.73 Rear End

I'm thinking of adding heads...What would be the best (Cheapest) way to go?

Thank you for any input you may have.
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Unread 10-20-2008   #2 (permalink)
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Quote:
Originally Posted by Bill's88 View Post
I have a 1988 GT that I just bought and was wondering what kind of horsepower am I looking at with this current combo?

93 Cobra Computer
FRP Cobra Intake
FRP 65mm Throttle Body
24lb Injectors
FRP Mass Air Conversion
C&L 73mm Mass Air Meter
Holley 155 lph fuel pump
FRP 1.6 Roller Rockers
Trick Flow Stage 1 Cam
March Underdrive Pulleys - Crank, Alternator, Waterpump
Electric Fan
130 AMP Alternator
FRP 3.73 Rear End

I'm thinking of adding heads...What would be the best (Cheapest) way to go?

Thank you for any input you may have.
For a cheap way on the heads but ok for a little more hp.
I'd say go with the gt-40 heads.
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Unread 10-21-2008   #3 (permalink)
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I agreew/ the gt40 P heads! Right now you only have about 15 more hp than the 93 cobra. ANd w/ the cobra computer you might have less! Id sell that one and go back to the original, its more agressive in performance apps.
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Unread 10-21-2008   #4 (permalink)
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Quote:
Originally Posted by Bill's88 View Post
I have a 1988 GT that I just bought and was wondering what kind of horsepower am I looking at with this current combo?

93 Cobra Computer
FRP Cobra Intake
FRP 65mm Throttle Body
24lb Injectors
FRP Mass Air Conversion
C&L 73mm Mass Air Meter
Holley 155 lph fuel pump
FRP 1.6 Roller Rockers
Trick Flow Stage 1 Cam
March Underdrive Pulleys - Crank, Alternator, Waterpump
Electric Fan
130 AMP Alternator
FRP 3.73 Rear End

I'm thinking of adding heads...What would be the best (Cheapest) way to go?

Thank you for any input you may have.
How much are you looking to spend?
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Unread 10-21-2008   #5 (permalink)
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You get what you pay for, if you buy cheap you won't get much power. To play you got to pay.
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Unread 10-21-2008   #6 (permalink)
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Looks at my list of mods....I made 210 at the wheels, thats with an automatic, that major differences with mine and yours is the intake and underdrive pulleys, these might give you another 10-20 hp to the wheels, a little more if you car is a stick...
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1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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Unread 10-21-2008   #7 (permalink)
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Look at my list of mods, I made 210 at the wheels, the major difference is you have an intake and underdrive pulleys, so you might make another 10-20 hp at the wheels, more if you have a 5 speed....
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1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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Unread 10-21-2008   #8 (permalink)
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Just another thing. You'll spend around a grand to have them installed. For about a couple more 100 bucks you could have a nice set of heads.
So what I'm getting at you'll spend less doing it once.
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Unread 10-21-2008   #9 (permalink)
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The 88 GT HO was rated @ 225hp stock. With your mods, you may have picked up 10 - 15 more. There is no such thing as a "good" set of heads "cheap". As others have said, it's cheaper to do it once the right way.
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Unread 10-21-2008   #10 (permalink)
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sorry about the double post, i don't know what i did, you didn't mention having exhaust with that setup, some type of aftermarket exhaust would also help A LOT, as all those parts without it probably wouldn't perform to great since stock exhaust would be very restrictive, if you have the know how, tools and time then do the mods yourself...it's a lot cheaper
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1988 Mustang GT, TTops, 306, AOD with 4r70w gears, shiftkit, E303, FR Shorties, BBK H-pipe, Flowmaster Cat Back, 3.73's, Trac Lok with F150 spring, Eibach springs, B&M Tork Master 2400 Converter, C&L 76mm Mass Air, Accufab 70mm TB, TMoss Ported Explorer Intake, K&N Air, Wix Oil, Mass Air, Subframe connectors, Poly Bushings, AFR 165 Heads, 24lb injectors, Scorpin 1.6 RR = 270HP, 296TQ at the tires.
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