Tennessee Outlaw

What does a typical ZO6 top out at? And a modded one?
I am in an arguement with a Supra guy that doesn't think an O6 can hang with a Supra. He claims that his buddy has a 94 Supra that tops out at 196.
My friend has a 01 ZO6 with Halltech, exhaust, shifter, 150 NOS shot and a few other goodies. What do you think? Not that they are going to race, just bench racing.

jackmott

ok according to this spreadsheet I have that takes aerodynamic drag and gearing an power band into account, your friends car should be able to nab around 195mph in 6th gear

assuming he has the stock rear end gear

[Modified by jackmott, 8:08 PM 10/13/2003]


[Modified by jackmott, 8:09 PM 10/13/2003]

ettevroc3002

'04 Z06 Top Speed = 171mph (manufacturer's data)

Cobra4B

Your friend might be right after speeds get over 180ish... the Z isn't geared for ultimate top speed. Our cars reach max (171 I think) at redline in 5th. 6th is too tall of a gear and the car can't pullit. Now w/ intake, exhaust, and a 150 shot who knows. I think it takes around 600 rwhp to pull 6th to 200 mph. Your buddy might be close on the spray. Tell him to go find out and report back to us :cool:

jackmott

the z06s 5th gear is optimized for top speed given the stock horsepower

pick what gearing you want, it wont go much quicker.

TZL

unfortunately i have to say that the supra will win. Depending on the supra's mods, it is extremely tough to beat a supra at the high end. I have done 190+ in my old supra ( MKIV with ~440-450 rwhp) and it was still pulling. Neither my 99 Viper ACR or my 02 Z06 pulls nearly as hard above 130.

What mods does the supra have? if it has a big single Turbo, your in trouble from a roll no matter how much NOS your spraying.

DsC5

:iagree:

Dr.Ron

A 94 Supra can go that fast top end???? Is that stock??? How is that happening??? :lurk:

jackmott

no

but a big turbo and exauhst, and they can put like 500, 900hp to the wheels.
motors are extremely overbuilt. And it is pretty large displacement for a turbo motor.

kumar75150

Z06 top speed with stock rev limiter is 174-178mph

BELIEVE ME!

DT

Stock v. stock a Z06 will trounce the Supra in every performance category - with the exception of top end in which case they are very close (the Supra is very slippery and geared for top end). FYI, I'm (another) ex-Supra guy who had a highly modified car including a T04R single turbo setup putting down ~650RWHP.

Modified cars? All bets are off - if you want to bench race "a" Supra vs. "a" Z06, there are 1000+ HP Vette's just like there are 1000+ HP Supras. My favorite thing to do, especially with all the Supra "my friend has" kids are I'll race you in MY car vs. YOUR car - not your friends, one you saw in a magazine, your imaginary car, etc. :D

I guess for fun, in your specific case, you're talking about a Z06 that might have 450-500HP, vs. a Supra that with a single turbo could have 750-800HP in a "contest" where the Z's weight advantage isn't as important, and where the Supra may have gearing. Not to mention, not sure how long the Z could hit the gas on the top end, and how long it would take to reach max speed, where the Supra can just pull and pull.

FWIW, my _bone_ stock Z has been running nearly the same lap times at various tracks as my upgraded turbo, wheels, brakes, suspension Supra, and it has a warranty and _never_ needs re-re-re-re(you get the picture) tuning :cheers:

[QUOTE]
I am in an arguement with a Supra guy that doesn't think an O6 can hang with a Supra.QUOTE]

ZO6Les

Good post - :iagree:

Les

NorthernZ06

:iagree: I get so many challenges from "my friend" or "my buddies" car. It really gets old, especially when you find out it's someone who lives 1000 miles away that they met on a message board.

TTRotary

First of all, the Supra TT is electronically limited to 155mph with the stock ECU.

Second, Motor Trend tested a stock Supra TT in 1996 with the governor temporarily disabled by the factory and achieved 168mph. In that same issue, they tested a C4 (LT4) and got 173, for comparison.

Hope this helps, somewhat.

93Polo

:iagree: The Supra is heavy and has underhood pressure issues. I believe it was the same Motor Trend article that said the Supra hood was about to fly off. A 6 speed Supra with a bleeder T mod is still good for 174 mph.

The fastest hwy runs I've been on in my life were in a T04R MKIV Supra :crazy:


[Modified by 93Polo, 5:07 PM 10/15/2003]

BoostManiac

The governor can be defeated by removing one fuse. :D

At least one German magazine article reported an ungoverned top end for the stock Supra in the mid 170s, and numerous Supra owners have claimed the same, which I don't doubt for a second. R&T tested a 380 RWHP Supra at about 184 mph on a banked oval, which typically robs several mph.

Most any well-tuned single turbo Supra should be able to hit 200 mph or more, WAY more for the big singles. I have ridden in many very fast cars including a supercharged Viper and the big-single Supras have the most deadly top end of anything I've been in, and that includes high speed acceleration also by far. Supras have great high rpm torque, which helps with the right gearing. My Supra made 450 RWTQ at 6500 rpm, compared to the peak of 512 at 5000 rpm. Even with NOS, I think the Z06 would have a hard time pulling that tall 6th gear faster than a well modded supra up top.

Maybe they could at least come close settling it at the Texas one-mile shootout or similar event. :cheers:

TTRotary

There is a bit more involved than that. Actually, there are TWO "governors", which come in the form of ECU mapping: 1 is a fuel cutoff and 2 is the electronic WG control. This is usually included in any ECU remapping done along with upgrades beyond BPU+

Any street car is gonna need at least 400RWHP to get deep into the 180's and 600RWHP to decisively punch through the 200mph barrier. The MKIV Supra is no different. It has decent, but not spectacular c/d of .33 which is less slipperly than the Vettes and the RX-7. The Gen III Viper is a brick at .38, so it needs more power. Required power increases with the square of the speed, so you're talking serious power needs here.

Absolutely correct. In fact, the Z would need a 4:10 diff to be competitive in a top speed test with a big single Supra.

Its the only way. :yesnod: :yesnod:


[Modified by TTRotary, 7:12 PM 10/15/2003]

zak

Motor Trend tested stock 2003 z06 with top speed of 174mph. The stock supra does 168mph with limiter removed. The LPE 650hp twin turbo corvette did 226mph. Let's see 900hp supra
try to beat that without blowing up the engine
:lolg:

kumar75150

wow you know nothing about supras

A Turbo Supra block > most other blocks out there.

jackmott

supra motors are one of the strongest motors ever.....