C56spd

According to Car & Driver (Aug 1998) the following 0-150 times were run:

LPE 415 ZR1 (3.73 axle) = 15.6 sec
Stock 1998 C5 (3.42) = 30.2 sec

Does anyone know the 0-150 times for the following:

Stock ZR1 (stock rear)
Stock ZR1 (4.09/4.10 rear)
C5 with 383 pkg
C5 Twin Turbo (stage 1 or 2)
Stock Z06
Z06 w/top end pkg
ZR1 w/top end pkg (~475hp) - indicate axel
ZR1 w/368 pkg (~500-530hp) - indicate axel

just curious!!

David

Z06Scott

The 2001 Z06 does 0-150 in 27. 6 seconds (C&D September 2001). In comparison the 1991 ZR1 does 0-150 in 35.5 seconds (C&D April 1991). I have a lot more old magazines so I'll post anything else interesting I find. BTW this is not a flame. :blueangel:


[Modified by Z06Scott, 1:51 PM 8/3/2001]

RatRacer

David, keep in mind that weather, traction and drivers have everything to do with the performance of a car. Comparing one magazine's stats with another is not vaild in any way shape or form. Different drivers on different courses on different days will end up with wildly differing results. It's apples and oranges.

RatRacer

[QUOTE]I have a lot more old magazines so I'll post anything else interesting I find.
[QUOTE]

Scott, we know all about your magazine collection. I suggest donating it to Half Price Books.

Z06Scott

-------------------------------

I actually was going to throw them away until I realized they still come in handy.

C56spd

I do not believe for a second that a stock C5 can reach 150mph before a stock ZR1. The reason I posted the topic is that everyone always looks at 0-60 and 1/4 mile times, but give little attention to the 0-150mph.

I had a 2000 C5 Coupe 6spd w/B&B tri flows and it was QUICK but not FAST (when compared to the ZR1). I know it is really hard to compare different cars with all the variables, but I just want a realistic number - not one that states that it takes 37 sec for a ZR1 to hit 150mph (7 sec slower than a stock C5).

Anyone else with figures?

4cefed

You are correct Cam. Statistically speaking using magazine number's from diferent magazines from different dates is useless info.

C56spd

Ok, so let's not use magazine numbers for the 0-150 times. I was just curious as to what these different cars would do. Has anyone here tested one of the modified cars (above) from 0-150?

Anyone want to take a wild stab at ranking the cars above just for the fun of it? I realize this is FAR from scientific, but I am curious as to which set-up would (on average) be the quickest. :bigears

MWR

David, the one that hit redline RPM in 5th gear at 150 MPH would probably be the quickest. Otherwise you'd simply have to assemble them and run them off.

For reference, my stock '92 ZR-1 (Corsa exhaust) did the 0-150 in 39 secs (on in-car video), but this was granny shifting on a bogged start for a 90 mile ORR run... in other words, I was not shooting for this spec. This was also at an elevation of 5500 feet on an otherwise standard day (about 60 degrees F). I probably could have shaved 3-4 secs off that time had I dumped the clutch and speed-shifted. Coverting that time to sea level would be a math exercise, but offhand shave another 3-4 secs I suppose.

Bottom line, a semi-educated and real-world estimate would be 31-33 secs for a 375 HP ZR-1, with a full tank of gas and a 210 lb driver, on a standard day at sea level. Put in a skinny driver and 5 gallons of gas, shave another second or two off. As most performance figures go, it depends on the conditions, which are rarely normalized when different scenarios are involved.

As to the really tortured Z06/ZR1 debate, a stock 340RWHP Z06 would beat a stock 340RWHP ZR1 in this contest, since the former weighs about 350 lbs less, and the final drive gearing seems to be about the same thru the gears. Doh.

I doubt the stock manual transmissioned C5 would make the cut against the ZR1, since it will be down a bit on RWHP compared to the LS6, a bit more limited on RPM range compared to the LS6 and the LT5, and enjoy less of a weight advantage compared to the Z06. Hard to say what the tranny gearing would bear upon the situation, though... but based on the SOTP dyno, I think it would fall a bit behind (so to speak).

Rgds,
Mark
'92 ZR-1 #032


[Modified by MWR, 2:33 AM 8/6/2001]

no cure

here's some real life data: when my 99 FRC was bone stock power wise, except for a K&N filter, and dynoed 302 corr rwhp, I raced quite a few different ZR1's. this was while doing road course days. many a lap I'd come around a turn onto the main straight, nose to tail (in either order) w/a Z, and we'd pull 55ish to 140, and except for a heavily modded one (who did blow by me on the straight anyway), I easily won every time. was surprising. for reference, though I almost never drag race, I did a few passes, bone stock, and ran 109 mph 1/4.

btw - on my second motor, before my timing chain broke 5/19/01, I was turning 24 seconds 0 - 150. a lot of that being 140 - 150, where she'd pull weakly for a bit right after shifting into fifth. when my third fourth synchro needs replacing (hopefully not this year, sigh), I will install the Z06 5th and 6th transmission gears. on motor version 2.5, which was fired up for the first time today and the new fifth gear, I expect I'll then be in the 21 second range.

David
slightly modded 99 frc

ZROne

That is surprising considering I ran 113.06MPH in the 1/4 bone stock (in the old Z). I'm going to go out on a limb and say that maybe they don't know how to drive as well as you do

sirhC



[Modified by ZROne, 11:03 PM 8/8/2001]

ZR1991

It's surprising the Z06 isn't quicker relative to the C5 than it is, considering the slick design changes made to it.

Beach Bum

I have a very accurate simulator for this stuff that would hold a couple hundredths accuracy for a test like this.... if you would like to know your 0-150 mile time, just post the following information and I'll try to get back to you.

* Real timeslip with all of your #'s from the slip.
* Raceweight including driver
* rear end gear ratio
* height of tire
* What type of tire (ie, drag radial or ET Street or true radial)
* tranny gears... all of them.
* approxmiate weather conditions and elevation you ran the timeslip data in.
* RPM you shift at.

It would also help me if you gave me a real world guestimate of the flywheel HP peak you are making and at what rpm it is generated at.

As another note, I will also be able to give you your 0-60 mph, 0-100 mph et's and how many feet and at what rpm you achieved them all at.

Beach Bum


[Modified by Beach Bum, 10:15 PM 8/12/2001]

EuG

Here’s some data you guys might like :yesnod: :

:cheers:

USAZR1

Bet the numbers for SW's 415" ZR-1 would be interesting to compare to these numbers,EuG.:chevy

ZROne

Beach Bum - here's the numbers off my old '90 ZR1

SAE corrected
340.9@5800RPM - Horspower
339.7@4200RPM - Torque


1/4 mile
13.01@113.76MPH

I'll post the rest of the slip when I get home tonight.

Beach Bum

I probably do not need any additional information for your set-up, but not sure, I made some assumptions, I assume the ZR-1 uses the ZF-6 transmission, and I also assumed 3.45 gears, I assumed 6300 rpm shifts and a 3600 lb raceweight.

My simulator is the type where you enter in all of the vehicle information, weight, torque curve, weather conditions, tranny losses, tires, aerodynamics, and much more.... After you enter in all of the base information, I then tinker with the torque curve, tire grip, shifting, clutch slippage, rollout, tranny individual gear losses, etc... to match the power curve to a known et slip. Its not an easy program to use, but I've grown accustomed to it.

With only the known #'s of 13.01 @ 113.76 after some tinkering, my program spits out that you probably had a 60 ft in the area of 2.2 on that run with a 330 ft mark of 5.8 ish, 1/8th et of 8.67 ish, 1/8th mph of roughly 88 mph, 1000 foot et of 11.03 1/4 et of 13.01 @ 113.79 mph. Let me know how close these are. I assumed a 10 foot rollout on this timeslip... this # is very important even though it doesn't sound like it would be.

If the above information is close to correct, then these #'s are also very close to being correct. I personally would guess that there is only roughly 1/2 tenth of error on the following #'s. (btw, keep in mind these #'s are assuming a 10 foot rollout once again, thus they will not match your slip perfectly, believe it or not with a 10 inch rollout, you are actually going through the starting timer at about 4-5 mph, the computer starts you from a true zero mph.)

0-60 mph = 5.17 seconds = 232 ft
0-80 mph = 7.61 seconds = 488 ft
0-100 mph = 10.43 seconds = 861 ft
0-150 mph = 23.20 seconds = 3271 ft

Top speed... which may or may not be accurate, I don't know, it shows you can pull to roughly 4200 rpm in 6th and hit 189 mph. (I have no clue on the accuracy of this function.)

I think all of these #'s would be much better if you could get your ZR-1 to hook up much earlier..... but your ZR-1 with the ZF-6 really seemed to pull some decent #'s once in motion.

As a final note, the last thing I did was change your radials to slicks, I speeded up the shifts, used a 4000 rpm dump, with a 1800 rpm clutch slip.... and the computer said you would run 1.9 60 ft, 12.4 @ 115 mph.....just food for thought I guess.

cheers,
Beach Bum

ZROne

Awesome program, where do I pick one up - or do I have to code it ? :cool:

However, the shift points you've assumed are off (probably because you assumed a peakier hp/tq curve than this one had - it was flat from peak through 6500RPMs). The shift points I ran were - 6500 in 1st and 7000 in 2nd and through the traps in 3rd at over 7000 RPM. Launch RPM on that launch was probably in the neighborhood of 3000RPM's. I'll post that slip later - cause now I'm interested (12.4@115? <g>). Gotta get the new one out there.

sirhC

ZROne

Ok, the real time slip <g>...

I was slightly off on both MPH and ET.

'60 2.274
330 5.812
1/8 8.636
MPH 87.41
1000 N/A
1/4 13.073
MPH 113.36

All in all, damn close. I want a copy of this software <g>.

sirhC

Beach Bum

I re-ran with the new #'s, and they turned out basically the same, a few hundreths slower is all.

I'll try to zip up the program and email to you... a lot of people have trouble making it work though, not sure why. (They seem to get "Runtime error")... give me a while before I send it though.

cheers,
Beach