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#1
07-05-2004, 01:24 AM
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1989 mustang 5.0 performance help?
I just bought an 89 gt convertible. Does anyone have any suggestions about how to make the horsepower hover around 300 or more? I know the basics, but all i have been hearing is around 270 rhp. It is manual with cat back flowmasters and thtas about it. Pric eis somewhat of an issue but not totally. any response is greatly appreciated. Also..what do you recommend on restoring the interior. New corbreau seats or a leather or vinyl upolstrey kit.
Thanks 
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#2
07-05-2004, 01:31 AM
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www.50resto.com
great source of restoration parts, and they have corbeau seats too. new carpets and trim, billet and CF parts, etc. if i actually had money i'd have so much stuff from there... as far as horsepower, stick an intake on it. i like the Trick flow. full exhaust too, meaning o/r midpipe, high-flow mufflers, and long-tube headers. i'd give it a shifter too, help save the trans. not sure how much a stock clutch will hold for that year, but might wanna consider a Spec stage 2. of course, you could always get a little horsepower in a bottle!
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-Andy '89 Mustang 5.0 - How fast? i'll know this weekend. '86 Mustang LX - Shortblock is built, now for the rest of it. "Put the subject before the verb, hmm? Fail this class, you will." -Yoda teaches english class.
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#3
07-05-2004, 02:23 AM
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Re: 1989 mustang 5.0 performance help?
Gears! I have read that about everytime this question is asked. As to which gears is personal preference.
__________________
1993 Grand-Am GT...SOLD! 1982 VW Rabbit.......SOLD! 1988 Cavalier..........SOLD! 1989 Mustang GT 5spSOLD! 2002 Celica GT-S 6spSOLD! 2005 Jeep GC, 5.7 HEMI, heated leather and Alpine goodys 
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#4
07-05-2004, 02:26 AM
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Re: 1989 mustang 5.0 performance help?
sorry i just saw that you want 300 hp, but i think you will be satisfied with a good set of gears. I am not sure on how gears affect HP, if it all, but i guess you could say they act as a multiplyer of your HP to a certain extent.
__________________
1993 Grand-Am GT...SOLD! 1982 VW Rabbit.......SOLD! 1988 Cavalier..........SOLD! 1989 Mustang GT 5spSOLD! 2002 Celica GT-S 6spSOLD! 2005 Jeep GC, 5.7 HEMI, heated leather and Alpine goodys
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#5
07-05-2004, 12:11 PM
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300HP the right I/H/C set-up with a good full exhuast will get you there. And always add gears just makes everything better, except gas mileage lol.
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R.I.P. Hypsi- Andy your one of the best people I ever had the priviledge to know. AF and the world has lost one of the truly wonderful people... 
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