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#1 |
Registered Member
Join Date: Nov 1998
Location: southern Illinois
Posts: 312
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![]() was on my way back from marion last nite and passed a early to mid 90's gta and after i was about 5 cars in front i saw him coming up hard so's i stand down and was able to hold him off before we got back in town. if its the one im thinking of its a 305 5 speed car. anyone know anything about the old gta's?
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88 gt convertable =-= cobra intake, accufab 65 mm tb headers alum underdrives steeda alum.lca's, springs, c/c plates kyb struts 230 hp to da wheels http://www.cybersteed.freeservers.com |
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#2 |
Registered Member
Join Date: May 2000
Location: Ontario,Canada
Posts: 233
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![]() God I hope it was a 350 if you were only able to hold him off. The 305's are complete dogs, my 4.0L Ranger could waste one.
As far as i know the GTA model came with a 350, no idea on the power level.
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1989 Mustang LX Notch 5.0L, T-5, 1969 351W heads, cut & welded stock plenum, F-303 cam, Mac 1 5/8 full length headers, Cat'd H-pipe, 3.73 gears, Underdrives, SSM lift bars, E-Fan, 3G Alt, Custom Chip, Autometer gauges, Weld Draglite wheels , M/T ET Street Radials Best 1/4: 13.33@101.53MPH |
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#3 |
Registered Member
Join Date: Nov 1998
Location: southern Illinois
Posts: 312
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![]() i found out the next day that it was a mech. that i use sometimes! he had just put a new 350 and trany in the car.
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88 gt convertable =-= cobra intake, accufab 65 mm tb headers alum underdrives steeda alum.lca's, springs, c/c plates kyb struts 230 hp to da wheels http://www.cybersteed.freeservers.com |
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#5 |
dude5l
Join Date: May 2001
Location: Grande Prairie, Alberta, Canada
Posts: 603
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![]() All the GTA's I saw run were usually slower than the IROCs. They were a heavy car.
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Good luck! Brad R. 1992 L.X. 5.0 coupe MODS: A few little bolt ons ![]() New Best time ...11.60 @ 128 mph @ 2000+ ft altitude. Rice Haters Club member #39 Users rides #2542 |
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#6 |
Registered Member
Join Date: Sep 2004
Location: Wilmington, NC
Posts: 5
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![]() Embaressingly enough... I'm a former F-body junkie; so I can speak with relative knowledge on the subject. The GTA and IROC-Z is exactly the same car with different interior and body front quarters/nose shape. The GTA is was little heavier in 89 & 90 b/c they put more 'goop' on it for looks (goop meaning abs). As for powertrain, the put both the 5.0 throttle body inj T-5 5 speeds with 3:23 rears, and 5.7 TPI TH400 autos with 2:?? rears.
All it really takes to beef them up to compete with a 5.0 or 4.6 GT is a 3:73 or higher rear and a few mods to the 5.7... I dropped a 350 4bbl carb in my old 87 Z-28 and popped some fresh 3:73's in it and the car was a beast... And then I bought my Cobra and woke up to reality. Anyone interested in an 87 IROC-Z??? New rear... quick. Only $1500 ![]()
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