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'89 TTA vs. '94 ZR1 vs. '02 Z06

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Old 11-18-2002, 10:39 AM
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the TTA in stock form is low 13's both those vettes should be in the 12's. Now once you start playing the modding game all my $$ is on the TTA
Old 11-18-2002, 10:48 AM
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5 car lengths?????? Thats not a half sec difference in the 1/4th! That must have been one sick TTA.
Old 11-18-2002, 01:52 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
The 5 car lengths probably shouldn't have been a full 5, because I think the guy in the TTA let off at the end because he knew he was going to lose anyway.

But still deep inside I kind of liked to see the N/A Vette's beat the Forced Induction F-body, but then I remembered how much more a Vette costs .

Later, Garrett
Old 11-18-2002, 02:43 PM
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Car: 1988 Trans Am
Engine: 305 TPI
Originally posted by CamaroFreak406
The 5 car lengths probably shouldn't have been a full 5, because I think the guy in the TTA let off at the end because he knew he was going to lose anyway.

But still deep inside I kind of liked to see the N/A Vette's beat the Forced Induction F-body, but then I remembered how much more a Vette costs .

Later, Garrett
I would rather see the TTA beat the vette. The Vette is nice and all, but I like the fact that the TTA doesn't use the 350 or even the 305, it uses a V6, granted that is turbocharged. I'm always impressed by what boost can do. A turbo 350 would be even cooler though.
Old 11-18-2002, 03:45 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Yea I know my turbo-charged 350 is freakin' amazing. If boost on a 1.6 honda is amazing just multiply that by 3.5625 and that's how much fun my 5.7 ElCamino is.

Later, Garrett
Old 11-18-2002, 03:51 PM
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You have a turbo charged 350? Is it like your other cars and makes 550rwhp and runs the 1/4th in a blistering 12.8? Sorry, I'm being a jack *** again. For real tho, do you own a 350 turbo?
Old 11-18-2002, 03:56 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Ya seriously I have one. The thing is that I need to put on an Electric Fuel pump, a Blow off Valve, and a Fuel Pressure regulator before I can run it on the street. But I still take it out for the occational run around the block now and then.
No I don't claim the 550 RWHP I would atually be happy with anything over 350HP (never had it dynoed yet). Just a stock 70's truck 350 with 40K on it. No intercooler, just lots of massive boost.

Maybe I can get some pic's for you guys.

Later, Garrett
Old 11-18-2002, 04:03 PM
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That sounds nice as hell. Yea, would def love some engine shots! And get a HKS SSQ BOV, they are awsome and thats what I'm going to be running.
Old 11-18-2002, 04:50 PM
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Car: 1988 Trans Am
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Originally posted by Snake32v
That sounds nice as hell. Yea, would def love some engine shots! And get a HKS SSQ BOV, they are awsome and thats what I'm going to be running.
I would recommend HKS too. It may be an import brand, but it is good stuff.
Old 11-18-2002, 05:17 PM
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I think all blow off valves are import brands.
Old 11-18-2002, 05:18 PM
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Originally posted by Snake32v
I think all blow off valves are import brands.
bosch actually made BOV's too, though they're a german company so I guess that's an import brand too lol
Old 11-18-2002, 05:27 PM
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I think KKK might make some blowoff valves as well.
Old 11-18-2002, 05:29 PM
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Originally posted by devianb
I think KKK might make some blowoff valves as well.
LOL I don't even wanna know what they sound like/look like!
Old 11-18-2002, 06:42 PM
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Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
the z06 top speed is a tick over 170 the zr1 top speed is a tick under 180 and the TTA top speed is around 160
Old 11-18-2002, 09:25 PM
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Originally posted by Snake32v
LOL I don't even wanna know what they sound like/look like!

There's no affiliation with the Group. They do make some potent turbo chargers, which find their way into Mercedes, BMWs, and Porsches.
Old 11-19-2002, 12:20 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Here are some pic's
Attached Thumbnails '89 TTA vs. '94 ZR1 vs. '02 Z06-mvc-001s.jpg  
Old 11-19-2002, 12:20 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Yea it's ******* but it works. Here's another shot.
Attached Thumbnails '89 TTA vs. '94 ZR1 vs. '02 Z06-mvc-002s.jpg  
Old 11-19-2002, 12:22 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
OK Just one more, this would be the perfect sleeper car if it wasn't for the damn noise the turbo puts out (very, very, loud whistle)

Later, Garrett
Attached Thumbnails '89 TTA vs. '94 ZR1 vs. '02 Z06-mvc-003s.jpg  
Old 11-19-2002, 01:33 PM
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Car: 1988 Trans Am
Engine: 305 TPI
Nice piece of engineering there considering most carbed engines favor the roots style supercharger.
Old 11-19-2002, 01:42 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
Yea but I can't install a roots supercharger as cheap as this turbo. Plus old tractors and industrial trucks are filled with cheap turbo's.

Later, Garrett
Old 11-19-2002, 04:24 PM
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Originally posted by CamaroFreak406
Yea but I can't install a roots supercharger as cheap as this turbo. Plus old tractors and industrial trucks are filled with cheap turbo's.

Later, Garrett
tractors and trucks use a different kind of turbo cars. The turbos are designed produce more low end torque for all that pulling power they need and to get their heavy mass to move.
Old 11-19-2002, 04:58 PM
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Car: 1991 Formula
Engine: 350 firebreathing inches of Small Block Chevrolet
Transmission: A 700R4 that has trouble handling the formentioned 350.
I realize this, however boost is boost. If I can get 10psi at 1500 rpm's rather than having to wait until 3000 rpm's I'm cool with that. Seriously that turbo boosts 10psi real low. So why wouldn't you want the boost as soon as you an get it.

Ok but still dollar for dollar, this car will take just about everything out there. I mean come on what is even close to this dollar for dollar. Oh Yea here is a pic of the car/truck the turbocharger is in, a freakin' sleeper, who would think a turbocharged 350 would live in this beast?

Later, Garrett
Attached Thumbnails '89 TTA vs. '94 ZR1 vs. '02 Z06-mvc-005s.jpg  
Old 11-19-2002, 07:25 PM
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Car: 1988 Trans Am
Engine: 305 TPI
Originally posted by CamaroFreak406
I realize this, however boost is boost. If I can get 10psi at 1500 rpm's rather than having to wait until 3000 rpm's I'm cool with that. Seriously that turbo boosts 10psi real low. So why wouldn't you want the boost as soon as you an get it.

Ok but still dollar for dollar, this car will take just about everything out there. I mean come on what is even close to this dollar for dollar. Oh Yea here is a pic of the car/truck the turbocharger is in, a freakin' sleeper, who would think a turbocharged 350 would live in this beast?

Later, Garrett


If you have most of your boost at the lower rpms, you won't have as great of acceleration if you had a turbo that didn't spool up until 3000 rpm or so. Since an El Camino is truck like, the turbo is just fine.
Old 11-22-2002, 08:43 PM
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Engine: 3.8 SFI turbo
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Axle/Gears: 3.27
For $10 the TTA would've had a better showing and should've stuck it to the vettes.

1. $7.47 1gal. of Xylene.
2. 1.89 adj. wastegate mod.


I'd like to see how mine fares against that duo. I've only seen one C5 and he didn't wanna play after by 1-2 sideways shift.
Old 11-22-2002, 10:11 PM
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Car: 1988 Trans Am
Engine: 305 TPI
Originally posted by PETE
For $10 the TTA would've had a better showing and should've stuck it to the vettes.

1. $7.47 1gal. of Xylene.
2. 1.89 adj. wastegate mod.


I'd like to see how mine fares against that duo. I've only seen one C5 and he didn't wanna play after by 1-2 sideways shift.
You could also invest in a boost controller so you can adjust the boost to your desired settings.
Old 11-23-2002, 12:03 AM
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Car: 1989 TTA #1240
Engine: 3.8 SFI turbo
Transmission: 2004r
Axle/Gears: 3.27
That is what the adj wastegate mod does. Turn the actuator rod in and you get more boost. The other way is a $29 kit which is two lengths of vaccum line and a bleeder valve(creates a vaccum leak). It will not let the diaphram see all the pressure causing it to boost higher to get the wastegate to operate.

Really no need for a controller. I run 15 psi on the street and right now it fluctuates between 18-20 psi on the track. For under $1000 the TTA can be made to have just as much top end as the ZR1.

I'm also one that thinks cars were made to be driven. And yes if I had a GNX I would probably rack up the miles on it too. What are you gonna do hang on to it until it rots away or keep it as a part of history(that is what history books are for).
Old 11-23-2002, 08:40 AM
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Know what sucks? About 3 years ago a black guy i knew that hung out at the street races had a GNX with 18" gold daytons and nitrous and 4 15" subs in the trunk. The car had every option and at the time had 100,000 miles on it.

Wonder what ever happened to the car? I haven't seent he guy in almost 2 years.
Old 11-23-2002, 01:14 PM
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Originally posted by PETE
For $10 the TTA would've had a better showing and should've stuck it to the vettes.

1. $7.47 1gal. of Xylene.
2. 1.89 adj. wastegate mod.
I don't know, with all the mods you have (I'm assuming you've spent more than $10 on those mods) you still couldn't hang with the ZR1.
Old 11-23-2002, 01:52 PM
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Engine: 3.8 SFI turbo
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No actually most of the stuff on there came with the car! I've spent a little on suspension and some tuning. The last 2 owners threw cash at this thing and it never went as fast as it could. When i first got it it ran high 13's. Really crappy chip.

As for not hanging with a stock ZR1's have you ever looked at their claimed et's 12.7-12.9 @112-114 mph with a professional driver. Some slicks and a 1.6 60' and I'll have 11's.


Hey come down to NJ and I'll show you what my car is all ABOOT!

Last edited by PETE; 11-24-2002 at 09:25 PM.
Old 11-23-2002, 02:31 PM
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Originally posted by PETE
Some slicks and a 1.6 60' and I'll have 11's.


True, but everyone says "wait till I get slicks and cut a 1.6 60 ft" as well. You can't compare your car with slicks to a car without them. When you pull up next to him on the street, will you have slicks? This post is referring to street racing.

How do you like your spohn lcas and panhard rod?

Last edited by iroc22; 11-24-2002 at 12:59 PM.
Old 11-23-2002, 02:49 PM
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Car: 1989 TTA #1240
Engine: 3.8 SFI turbo
Transmission: 2004r
Axle/Gears: 3.27
I've noticed it is a little tighter with the suspension stuff on there. The car doesn't skip when hitting a bump around turns it lifts and then plants itself again.

As for slicks you are right I probably wouldn't run dr's on the street. Even without them it would be a close race....
Old 11-24-2002, 05:49 PM
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Originally posted by PETE
As for not hanging with a stock ZR1's have you ever looked at their claimed et's 12.7-12.9 @112-114 mph with a professional driver.
No generally I go the race track to judge car's times. That way I can more accurately judge vehicle times rather than basing all my judgements upon magazine articles. Also at the track you can discuss vehicle mods in relationship to the times they're running with the owners of the cars in the pits.
Old 11-24-2002, 09:04 PM
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It really is a shame that we have people on this forum like myself. No wonder this site has become the laughing stock of the web. There are some great guys on here, but I guess there has to be guys like me on this site to make it interesting. Hey IROC 22 If you lived close I'd rent you a ZR1 for the day and embarrASS myself. Oh wait I already have with my silly comments.

Nice that you took the liberty of editing my posts, because if you didn't I could get myself banned around here.

Last edited by iroc22; 11-24-2002 at 11:03 PM.
Old 11-24-2002, 09:09 PM
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I don't understand whats going on here. If you PETE or w/e have a 12.7 E.T. in your sig and you claim the ZR1 can run a 12.7 E.T. why are you two bitching about which one can run faster? Clue me in on whats going on here...
Old 11-24-2002, 09:23 PM
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I said claimed et's of 12.7-12.9 for the ZR1. Most guys will not run as quick as some of the published times in a road test. I've seen times on new Vettes break in to the 11's, most guys wont duplicate that for one reason or another.

Last edited by PETE; 11-24-2002 at 09:30 PM.
Old 11-25-2002, 12:58 AM
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stock on stock, zo6 and zr1 rape the TTA all night long

zo6 a little quicker than the zr1
Old 11-25-2002, 09:34 AM
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Originally posted by PETE
I said claimed et's of 12.7-12.9 for the ZR1. Most guys will not run as quick as some of the published times in a road test. I've seen times on new Vettes break in to the 11's, most guys wont duplicate that for one reason or another.
So why the hell are you calling Iroc 22 a bad moderator?
Old 11-25-2002, 11:41 AM
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there are several simple reasons that magazine test results are generally faster than the times people pull down at the tracks with the same vehicles....

for example, the motor trend test driver is arguably one of the best drivers in the world. this guy beats on cars all day every day. hes also probably driven more different cars than anyone else in the world.

so for your average driver, add 2 or 3 tenths (on the average) to the results you see in the magazine, then...

when a magazine tests a car (for the most part) they rent track time......when you rent track time it includes application of traction compound (generously for the mags) at least at most track....and when the tracks do their street nights they normally do not put down traction compound. (i know they dont at NED) so you can add another tenth or 2 for that.
Old 11-25-2002, 07:52 PM
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Maybe I should've clarified my self a little better. My posts were directed at IROC 22's comment on how a 12.7 et TTA wont hang with a ZR1 that's all. I was just comparing my numbers with numbers that have been published for a ZR1 with a better driver than almost anybody on the street. Sorry for the confusion..
Old 11-25-2002, 08:04 PM
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Some ZR1's are...

faster than the Z06.....
SOME.

Go check out the link on this board that I posted to the Red ZR1..

BONE stock 1994 ZR1 = 11.89 e.t.

I don't know about a Z06 runnin' that #.

I think high 12's for the Zr1 is a misconception.

A TTA ( stock ) doesn't stand a chance against either of these cars.
Old 11-25-2002, 10:13 PM
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Originally posted by PETE
Maybe I should've clarified my self a little better. My posts were directed at IROC 22's comment on how a 12.7 et TTA wont hang with a ZR1 that's all. I was just comparing my numbers with numbers that have been published for a ZR1 with a better driver than almost anybody on the street. Sorry for the confusion..
Off the line with the same power a TTA would cream a ZR1. TTA can build boost off the line. On top end I feel a ZR1 would rape a TTA.
Old 11-26-2002, 03:28 PM
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Car: 1989 TTA #1240
Engine: 3.8 SFI turbo
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Axle/Gears: 3.27
TTA's aren't great on the top end unless you do some work. A good 4.1L v6 instead of the 3.8 would definately help make the power up top. a .025 overbore gets you to 4.00 with a 3.400 stroke as opposed to the 3.800/3.400. Good luck finding them though.
Old 11-26-2002, 03:36 PM
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Car: too many ...
If you lack top end with a turbo then you're not tuning your setup properly.
Old 11-26-2002, 03:46 PM
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Originally posted by CrazyHawaiian
If you lack top end with a turbo then you're not tuning your setup properly.
that's not true at all, buick 3.8's are low end torque motors, they don't scream to 7-8K rpms, they only pull up to around 5000-5200...
Old 11-26-2002, 05:25 PM
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Well, my opinion:

It shouldnt matter what the RPM limit is. When I look at 'top end', I dont look at RPM's or peak HP/TQ figgures ... I look at the dyno sheet and see what the powerband looks like. You can tell from a dyno sheet if a car is setup for low end or top end.

What matters is when the power comes on and when it runs out. Cars with a low redline can be built for top end. It depends on how it is tuned. Compare the dyno sheets from a L98 with a TPI intake to a L98 with a StealthRam/SuperRam intake. The TPI is a low end power design, while the StealthRam/SuperRam is a high end design. The RPM redline pretty much stays the same but the power comes on and ends at different points of the powerband. Compare a car making 300hp @ 8500 rpm to a car making 300hp @ 5500. Would the car making 300hp @ 8500 win because he's revving higher?

My SVO is a good example. It redlines at 5500 rpm. It has plenty of top end power. Boost comes on around 2500 rpm and pulls strong to 5500. Peak power is around 5000 rpm, so thats where I shift. And its not some crazy SOHC or DOHC design either. Good old fashioned pushrod. If you're loosing power on the top end with a turbo then you're doing something wrong. Do you loose boost? What does your A/F ratio look like? Sounds like a tuning issue. Boost should come on in the later part of your powerband and hold strong to the end.

What I didnt take into account in my original post (was directed at Monkie) was the drivetrain. The tranny and rearend setup would have alot to do with how the car performs on the top end in a real world setting. I think Monkie is right. The ZR1 has superior top end gearing.

Last edited by CrazyHawaiian; 11-26-2002 at 05:36 PM.
Old 11-26-2002, 07:39 PM
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A good 4.1L v6 instead of the 3.8 would definately help make the power up top. a .025 overbore gets you to 4.00 with a 3.400 stroke as opposed to the 3.800/3.400. Good luck finding them though.
In the garage. Actually, the 4.1's are known for more low end, and would probably make comparable power on the high end with equivalent heads/ turbo/ etc.
that's not true at all, buick 3.8's are low end torque motors, they don't scream to 7-8K rpms, they only pull up to around 5000-5200...
Unless its a Stage....
Old 11-26-2002, 07:57 PM
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Originally posted by Greasemonkey

Unless its a Stage....
of course

Crazy, the buick 3.8 isn't a top end motor, its much like a TPI with its power curve..
Old 11-27-2002, 10:05 AM
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Crazy, the buick 3.8 isn't a top end motor, its much like a TPI with its power curve..
Sure does feel good about 3 grand doesn't it? Considering the heads and cam its power curve isn't really surprising.
Old 11-27-2002, 11:47 AM
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Old 11-28-2002, 11:17 AM
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Man I'd love to see a ZR1 and Z06 run each other.:hail: :hail:


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