What is the diferance between these two models. Which one is the more desired one?And which one is beter for performance? The Formula I am looking at originaly had the 305 LB9

Digger

 

The more desirable one would be the GTA. They came loaded and have more comfort, thus a higher price tag.

For perfomance, I'd say the Formula simply because it's lighter. The later formulas were nothing more than the early year trans-ams (no gfx, power bulge hood) and lighter optioned (not always though) and had the ws6 (GTA's too)...

Just things like power antenna and power seats and stuff add some weight.

Of course motors and gearing factor in also.

 

Generally, the Formulas are faster because of the weight factor. The GTA is more of a "Luxury Tourer". Not quite but use your imagination.

 

yes, theres so much Luxury. The wonderful red guages, the 16 way power seats. 330 or so pounds of torque, the violent tranny shifting. the no oh crap handles for the passengers as they get thrown to the sides at every turn. the almost non working power windows, and pop-up lights. , non working power antenna. man i love me GTA. i just wish it had leather seats. the non-trunk. but just give me a year till i fix everything. i wouldn't sell it for any other F-body thought, execpt a turbo GTA!!!

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88' GTA 350 MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass

 

You have to realize most of our cars are out-dated things start to wear down after a while... i just bought stock oem replacements for a lot of suspension parts and my car runs 100% better
I dont have any problems with power anything either

 

ya. but its fun to restore them though.

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88' GTA 350 MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass

 

Get a GTA! I had to say that because I own one. Drive them and see what you like. You will probably like the GTA better. Everything works on my GTA. But I have fixed alot.
Later & Good luck on your car Quest
Mike

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(Gran Turismo Americano) "The Ultimate Firebird"
Smokin 1989 GTA- Bone stock except for exhaust. (no catalytic-stainless pipe into Flowmaster 2 chamber) & AC Delco Rapid Fire Plugs

 

Um... get one of each!!

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'89 Formula - Thunderchicken - 355 Vette L98/T-56/3.45 9-bolt/black/t-tops - the fun car!
'90 GTA - The GTA - 5.0 LB9/TH700/3.27 9-bolt/black/t-tops/tan leather - the cruiser.