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TTA vs G92 z28

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Old 02-25-2005, 11:27 PM
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TTA vs G92 z28

I have a 91 G92 z28 305, 3.42 gears, posi, 5 spd, no power opts the whole 9 yards.. and i know that the tta would most likley beat me stock vs stock. but how bad do you think?

just curious and thought it might be an interesting subject.
thanks
Old 02-26-2005, 12:11 AM
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couple cars prob assuming both are in the same condition and drivers are the same
Old 02-26-2005, 11:08 AM
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Your car should run mid 14's stock, whereas the TTA should run mid 13's stock, and possibly a bit quicker with a good driver/launch. It easy to get into the 12s with one of those with a simple exhaust upgrade and a manual boost controller, which can be home-made for $10. So it may look/sound stock, but be a 12sec (or quicker!!) daily driver.
Old 02-26-2005, 11:30 AM
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Stock vs. stock, the TTA by a full second or 10 cars.

To get into the 12's, $30. Thrasher chip $30/shipped and paper clip Pump gas on radials. Paper clip to lock the converter at the line so when it goes into second, its locked. No turning up boost, no exhaust mods, just those mods and you'll be there.

I ran 13.0x with a chip. Didn't do the paper clip as nobody around had one but its worth .2/2mph.
Old 02-26-2005, 12:48 PM
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Originally posted by TTA 1387
Stock vs. stock, the TTA by a full second or 10 cars.

To get into the 12's, $30. Thrasher chip $30/shipped and paper clip Pump gas on radials. Paper clip to lock the converter at the line so when it goes into second, its locked. No turning up boost, no exhaust mods, just those mods and you'll be there.

I ran 13.0x with a chip. Didn't do the paper clip as nobody around had one but its worth .2/2mph.
explian this paper clip deal...what does locking the converter do?
Old 02-26-2005, 04:29 PM
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Less slippage I suppose, though I figured that's the point of a torque converter...to allow the engine to stay at a higher RPM while multiplying the torque until the output shaft matches input shaft speed.
Old 02-26-2005, 04:31 PM
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Originally posted by TTA 1387
Stock vs. stock, the TTA by a full second or 10 cars.

To get into the 12's, $30. Thrasher chip $30/shipped and paper clip Pump gas on radials. Paper clip to lock the converter at the line so when it goes into second, its locked. No turning up boost, no exhaust mods, just those mods and you'll be there.

I ran 13.0x with a chip. Didn't do the paper clip as nobody around had one but its worth .2/2mph.
Then for less than $300 and good tires, you can run mid-low 12s $250 for exhaust, $30 for chip, paperclip..$3 for a box of a couple hundred if you really can't find one, and ~$10 for the parts to make your own boost controller.
Old 02-27-2005, 10:38 AM
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I did a 8"K&N, ATR MAF pipe, cat pipe, tubular pan hard rod and lower control arms, 92 Thrasher chip and ran 12.6@110 on the Firestone Firehawks. With no other changes other than Nitto Drag Radials, 12.1@111. Drag Radials change the car emensely because you can build and hold boost to launch. My short times went from around 1.90 to mid 1.6.

So all together, those mods cost around $6-700, including tires.

As far as the paper clip, you put it in the ALDL connector. You manually lock the converter so there is no slip. Basically like a manual. On the dyno, I saw 10rwhp and 18rwtq with locking up the converter with the above mods.

The day after I ran that 12.1, I dynoed the car and it was 318/455 at the wheels
Old 02-27-2005, 12:33 PM
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I didnt think torque converter clutches were strong enough to stay locked under those conditions. I would think locking it under full throttle would fry the thing.
Old 02-27-2005, 06:57 PM
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Originally posted by Ian_F
I didnt think torque converter clutches were strong enough to stay locked under those conditions. I would think locking it under full throttle would fry the thing.
Ditto.

And that's amazing that the lil V6 put out 455TQ to the wheels.. I gotta get me one of 'dem 'dere lil mighty motors
Old 02-27-2005, 07:10 PM
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shhhhh quiet guys I have been trying to get my hands on one. I have looked at a few locally but, they are all trashed and want top dollar.



but, to the question the TTA by at least a few cars. there are even original tests that show them only running high 13's like 13.9 I think but, I would bet they had very very bad drivers to get such poor times. at the track I have seen first had 13.6 @ over 104.00 stock

you would be a mid 14.XX and still be in the high 90's mph the TTA would be pulling away pretty well
Old 02-27-2005, 09:45 PM
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yeah, i figured it woul dbe by at least a car length in the end. im just happy my lil 305 (often flammed) will run that stock. soon ill start moddin er up..but untill then.

and i cant believe that 6 put 455 to the wheels thats amazing!!
Old 02-27-2005, 11:50 PM
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I'm going with the TTA on this one...

As for the Paper clip... no ones actually explained whats the deal with it.

Where does it go? Is it a one time deal or can it be reused?
Old 02-28-2005, 01:25 AM
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Originally posted by ThUnDeR2005
I'm going with the TTA on this one...

As for the Paper clip... no ones actually explained whats the deal with it.

Where does it go? Is it a one time deal or can it be reused?
Paperclip is used as a jumper on the ALDL . Same way you can use one to pull up trouble codes, except in this case you go from the TCC pin to the ground pin, in turn, locks the torque converter from 2nd gear on.
Old 02-28-2005, 05:02 AM
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Originally posted by 88 350 tpi formula
shhhhh quiet guys I have been trying to get my hands on one. I have looked at a few locally but, they are all trashed and want top dollar.



but, to the question the TTA by at least a few cars. there are even original tests that show them only running high 13's like 13.9 I think but, I would bet they had very very bad drivers to get such poor times. at the track I have seen first had 13.6 @ over 104.00 stock

you would be a mid 14.XX and still be in the high 90's mph the TTA would be pulling away pretty well
Problem is how those magazines tested cars. With a turbo car, you power brake to build boost as anybody would do. But those guys leave at idle, hence the slow times. They used to publish how they tested cars. It was supposed to be what "anybody" could run. Leave in OD and step on the gas. For manual cars, it was pretty much the same. Leave at idle and do a normal gear shift.

That's why those times in Motortrend, C&D, Road&Track, etc always suck.
Old 02-28-2005, 05:04 AM
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Originally posted by Ian_F
I didnt think torque converter clutches were strong enough to stay locked under those conditions. I would think locking it under full throttle would fry the thing.
They don't last forever as its very hard on them. But its a proven mod in the turbo Buick world that works.
Old 02-28-2005, 03:38 PM
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shhhhh quiet guys I have been trying to get my hands on one. I have looked at a few locally but, they are all trashed and want top dollar.
tell me about it! theres one for sale near me and the seller wants 13k for it!!! did i mention it has 95k on the clock and in need of just about everything?!

i know these are rare cars and all, but it seems their owners think no matter how bad the condition of the car is, theyre worth at least 10k

if i could find one thats in decent shape, for the right price, id sell my turbo Buick AND my GTA for that car in a heartbeat. TTA rules!
Old 02-28-2005, 05:51 PM
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Re: TTA vs G92 z28

Originally posted by BCdawg57
I have a 91 G92 z28 305, 3.42 gears, posi, 5 spd, no power opts the whole 9 yards.. and i know that the tta would most likley beat me stock vs stock. but how bad do you think?

just curious and thought it might be an interesting subject.
thanks
i have a G92 LB9..well had its got an LT4 in it now, but when it was a 305 it ran a 14.4 with 39,000 miles on it and all the original equipment on it...tuned it up installed a flowmaster muffler K&N filter and ground down the EGR walls and it ran a 14.12@ almost 96....i can also really drive the **** out of a stick....

the TTA was the fastest Regular production 3rd gen made...the firehawks would walk them easily though
Old 02-28-2005, 09:07 PM
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Re: Re: TTA vs G92 z28

Originally posted by f-crazy

the TTA was the fastest Regular production 3rd gen made...the firehawks would walk them easily though
That's another myth. Only the 383 or whatever it was would beat the TTA. The 350 wouldn't. It ran 13.5 as well as the TTA.
Old 03-01-2005, 09:39 AM
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I guess I lucked out, I got mine for 7K, and yeah, it has some problems. At least the interior andexterior are pretty nice, it's just needs a big tuneup.
Old 03-01-2005, 01:11 PM
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Re: Re: Re: TTA vs G92 z28

Originally posted by TTA 1387
That's another myth. Only the 383 or whatever it was would beat the TTA. The 350 wouldn't. It ran 13.5 as well as the TTA.
no your wrong...Firehawk #1 the press car was a 366in rodeck motored car..it ran consistant 13.2's....the fastest it ran was a 12.9 the firehawk didnt have a 350...they were 366inchers and 383's

go over to www.transamGTA.com/firehawk for all the info you need
Old 03-04-2005, 04:02 AM
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Box stock 1989 Turbo Trans AM with 96k on the clock will run 13.3-13.4 in the qrtr in the 103-104ish range.

Why do I know this? I own one and ran it shortly after I bought it.

The TTA was the fastest production thirdgen made. It will walk any and all TPI variants, LT1's also, I ran door to door with the LS1 crowd stock to stock.

Another thing, people who dont own them or dont have experience with them, shouldnt talk about things they dont know, and magainze tests dont count unless your a retard working at motor trend :-)

later
Jeremy
Old 03-04-2005, 10:13 PM
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Originally posted by 3.8TransAM
Box stock 1989 Turbo Trans AM with 96k on the clock will run 13.3-13.4 in the qrtr in the 103-104ish range.

Why do I know this? I own one and ran it shortly after I bought it.

The TTA was the fastest production thirdgen made. It will walk any and all TPI variants, LT1's also, I ran door to door with the LS1 crowd stock to stock.

Another thing, people who dont own them or dont have experience with them, shouldnt talk about things they dont know, and magainze tests dont count unless your a retard working at motor trend :-)

later
Jeremy
hey, I just stated how off the times can be. if I really thought
they were true I would have said hey they only run a high 13

but, if you see what I wrote It is almost perfect with your times w/ a couple tenths even the MPH is dead nuts on

Last edited by 88 350 tpi formula; 03-04-2005 at 10:15 PM.
Old 03-05-2005, 11:33 PM
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Anyone looking for a TTA, my only advice is whether you trust the guy selling it or not. Go through the car completely right down to the compression and leakdown numbers.

My car wasn't bad, but after tearing it down you get to see just how many people should never own a tool set. Even the plastic ones from Tonka could be dangerous in the hands of an idiot.....



Old 03-12-2005, 05:58 PM
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tta vs firehawk

Get a transbrake for that TTA so you can get the boost up for the launch and a set of dragslicks. Then you will annihilate a Firehawk. The Firehawk is easier to regulate the power, so with stock tires it could be a close race, but I'd bet on the TTA.
Old 03-12-2005, 06:00 PM
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TTA

Just noticed there is a TTA for sale in the classifieds of this website. $15k, looks like a good one.
Old 03-13-2005, 09:46 AM
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Originally posted by 3.8TransAM

Another thing, people who dont own them or dont have experience with them, shouldnt talk about things they dont know, and magainze tests dont count unless your a retard working at motor trend :-)

later
Jeremy
AMEN!
Old 03-13-2005, 02:36 PM
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Re: Re: Re: Re: TTA vs G92 z28

Originally posted by f-crazy
no your wrong...Firehawk #1 the press car was a 366in rodeck motored car..it ran consistant 13.2's....the fastest it ran was a 12.9 the firehawk didnt have a 350...they were 366inchers and 383's

go over to www.transamGTA.com/firehawk for all the info you need

3rd gen Firehawks are not even considered a production car. They didn't even come with a factory GM warranty.

They were more along the lines of a Motion or a Dana Camaro of the late 60's
Old 03-14-2005, 01:06 AM
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Re: Re: Re: Re: Re: TTA vs G92 z28

Originally posted by 1BADDAM
3rd gen Firehawks are not even considered a production car. They didn't even come with a factory GM warranty.

They were more along the lines of a Motion or a Dana Camaro of the late 60's

Originally posted by f-crazy
the TTA was the fastest Regular production 3rd gen made...the firehawks would walk them easily though
Old 03-14-2005, 07:28 AM
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Re: Re: Re: Re: TTA vs G92 z28

Originally posted by f-crazy
no your wrong...Firehawk #1 the press car was a 366in rodeck motored car..it ran consistant 13.2's....the fastest it ran was a 12.9 the firehawk didnt have a 350...they were 366inchers and 383's

go over to www.transamGTA.com/firehawk for all the info you need
Well, that's in line with what TTA's ran at the track. I know of one that ran 12.9 completely bone stock on the Gatorbacks in 1990. Quite a few in the 13.1 range. This was early in the '90's.

Hardly walking it... Owners knew how to drive it, magazine's didn't.
Old 03-14-2005, 10:46 AM
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back in 89 I owned a 87 grand national. we would race at union grove. The TTA would run high twelves all day stock with tires. Made my GN look stupid. Couple of mod likea chip, adjustable wastegate and free floww exhaust they were high elevens. Your z28 has a ways to go before you line up with a TTA. especially at a track where some of those guys get real intense.
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