GTA or Z28
Thread Starter
Junior Member
Joined: Jan 2002
Posts: 33
Likes: 0
From: Dayton, Texas
Car: 1992 25th Z28
Engine: 305 TPI
Transmission: 5 speed
GTA or Z28
O.K. here is the deal.....I have a friend that has a late 80's model GTA. He has done a few mods to it....it is a 350 TPI, Auto with Cold air intake& hooker exhaust. Where as i have a 92 Z28 5 speed with a 305 TPI, home made ram air, no cat, moroso racing muffler dumped & K&N air filters. i don't know what his rear gear is but i know that mine is 3.08. We are always saying how we are going to line up but haven't got the chance to yet. What do you guys think about the situation?
25thZ28
25thZ28
If he has 2.70 gears or something of the sort, it'll be a really close race and depend mostly on the driver. If he has any gears numerically higher than that, it's in his favor. You'll have some trouble, but still have a chance of beating him.
Thread Starter
Junior Member
Joined: Jan 2002
Posts: 33
Likes: 0
From: Dayton, Texas
Car: 1992 25th Z28
Engine: 305 TPI
Transmission: 5 speed
well i'll update you when it happens..........oh one thing i forgot to mention.....he isn't exactly the best of drivers. I think if i play my cards right i could take him!
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Senior Member
Joined: Jul 2001
Posts: 649
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From: San Rafael, CA
Car: 1988 Trans Am GTA
Engine: 5.7L TPI (L98)
Transmission: 700RJunk
If its an L98 GTA (pre '90) it'll have a 3.27 posi disc rear end. This race should be close, as much as i'd love to say his GTA would dust your z.
GTA's ran low 15's stock and your z28 probably runs a little faster than that stock..
GTA's ran low 15's stock and your z28 probably runs a little faster than that stock.. I think he's going to toast you. No offense, but, he has a 350 with headers and exuast. He should have you. I ran 15.00 completely stock. With only headers and a flowmaster, 14.6 w/a 2.12 60ft. But that's just my opinion. Race him and find out, only way to know for sure. Good luck.
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