AARP Special (2001 Z06)
Thread Starter
2nd Gear
Joined: May 2006
Posts: 2
Likes: 0
From: Poughkeepsie New York
AARP Special (2001 Z06)
Vette Doctor (long Island) Cam/header & Dyno Tune. Great Job.
Lomotion Corvette (poughkeepsie,new York) Flowmaster,blackwing Intake. Great Job
512 Horse Power / 418 Back Wheelshanks J.t. ( Come Play)
Lomotion Corvette (poughkeepsie,new York) Flowmaster,blackwing Intake. Great Job
512 Horse Power / 418 Back Wheelshanks J.t. ( Come Play)
Last edited by John Taylor; Jan 18, 2007 at 06:52 AM. Reason: delete message
Team Owner
Joined: May 2003
Posts: 23,480
Likes: 9
From: East Meadow NY
St. Jude Donor '12
Supporting Vendor
Joined: Jul 2003
Posts: 6,486
Likes: 2
From: http://www.mphparts.com 800-364-1975
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
I don't buy that 15% number for ZO6s, especially. Factory rates the '01@ 385, and the 02+@405. Most bone stock Zs get 335 RWHP and 355, respectively. In both instances, 50 HP difference. Not surprising, considering they're the same chassis. Would a Z modded to 650+ RWHP then magically lose 100 HP, or double the HP loss, if using the straight percentage of 15? I'm sure at some point in the HP curve the percentage is hit, but I doubt a modded car would lose twice the HP from the same driveline. Nothing scientific, but seems obvious to me. My car is at about 480 RW now. That would translate to 570 HP, which I seriously doubt.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski
8 Coolest Corvette Pace Cars (and Replicas) of All Time
Verdad Gallardo
Pro
Joined: Jan 2006
Posts: 536
Likes: 3
From: bel air md
hp
I don't buy that 15% number for ZO6s, especially. Factory rates the '01@ 385, and the 02+@405. Most bone stock Zs get 335 RWHP and 355, respectively. In both instances, 50 HP difference. Not surprising, considering they're the same chassis. Would a Z modded to 650+ RWHP then magically lose 100 HP, or double the HP loss, if using the straight percentage of 15? I'm sure at some point in the HP curve the percentage is hit, but I doubt a modded car would lose twice the HP from the same driveline. Nothing scientific, but seems obvious to me. My car is at about 480 RW now. That would translate to 570 HP, which I seriously doubt.
Pro
Joined: Sep 2005
Posts: 538
Likes: 9
From: Geneva, IL Bring back the Chief!
St. Jude Donor '06-'07-'08-'09-'10,'13-'14,'19-'20-'21-'22
Melting Slicks
Joined: Oct 2001
Posts: 2,786
Likes: 22
From: Cary NC
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
All the numbers I used are based on Dynojet, and SAE corrected. THe Mustang dynos are a great tuning tool, but I've seen all sorts of wacky numbers out of them. (usually on the low side)
Team Owner
Joined: Jul 2004
Posts: 24,652
Likes: 298
From: NJ
St. Jude Donor '05-'08
I don't buy that 15% number for ZO6s, especially. Factory rates the '01@ 385, and the 02+@405. Most bone stock Zs get 335 RWHP and 355, respectively. In both instances, 50 HP difference. Not surprising, considering they're the same chassis. Would a Z modded to 650+ RWHP then magically lose 100 HP, or double the HP loss, if using the straight percentage of 15? I'm sure at some point in the HP curve the percentage is hit, but I doubt a modded car would lose twice the HP from the same driveline. Nothing scientific, but seems obvious to me. My car is at about 480 RW now. That would translate to 570 HP, which I seriously doubt.
Why would you think the 15% changes if you are not doing anything to the drivetrain? The drivetrain doesn't magically become more effecient just because the engine is putting out more HP. The loss is going to remain constant unless there is a change made to the drivetrain so if you lost 15% at 400 hp you are going to lose 15% at 600 hp.
BTW the Z06 drivetrain may lose more rwhp because of the MN12 transmission creating steeper gears. I car with 4.10s will show almost 10 rwhp less than a car with 3.42s.
Melting Slicks
Joined: Jan 2002
Posts: 3,422
Likes: 3
From: Yeah, well, you know, that's just, like, your opinion, man.
Why would you think the 15% changes if you are not doing anything to the drivetrain? The drivetrain doesn't magically become more effecient just because the engine is putting out more HP. The loss is going to remain constant unless there is a change made to the drivetrain so if you lost 15% at 400 hp you are going to lose 15% at 600 hp.
BTW the Z06 drivetrain may lose more rwhp because of the MN12 transmission creating steeper gears. I car with 4.10s will show almost 10 rwhp less than a car with 3.42s.
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
I think what he's saying is that it apparently takes 50hp to power everything from the block to the wheels in a stock car, why would it take more horsepower to do the same thing in a more powerful car. In other words, I think the question is how does the drivetrain become LESS efficient with more power.
EXactly. Well put. If your chassis absorbs 50 HP while stock, what would make it absorb almost 100 HP with NO changes to the drivetrain, with a higher HP engine?
Former Vendor
Joined: May 2003
Posts: 2,173
Likes: 2
From: Dallas Texas
The main thing to keep in mind is that it is a very general guesstimation with out having to put the thing on an engine dyno. 15% is used in general around here because most of these cars are in the 320-500 window.
Louis
Supporting Vendor
Joined: Jul 2003
Posts: 6,486
Likes: 2
From: http://www.mphparts.com 800-364-1975
I don't buy that 15% number for ZO6s, especially. Factory rates the '01@ 385, and the 02+@405. Most bone stock Zs get 335 RWHP and 355, respectively. In both instances, 50 HP difference. Not surprising, considering they're the same chassis. Would a Z modded to 650+ RWHP then magically lose 100 HP, or double the HP loss, if using the straight percentage of 15? I'm sure at some point in the HP curve the percentage is hit, but I doubt a modded car would lose twice the HP from the same driveline. Nothing scientific, but seems obvious to me. My car is at about 480 RW now. That would translate to 570 HP, which I seriously doubt.
I am not an engineer but I speculate that some component of the drivetrain loss is absolute and some component of it is relative.Note that Lingenfelter shows their 600bhp TT package as having 530rwhp.
http://www.lingenfelter.com/Lingenfe...rboPackage.htm
Clearly the difference between 600 and 530 is not 50hp, but it's also not 15% (it's closer to 12%).
Now then, if you guys REALLY want to know the answer, everyone send me $10 bucks and I'll try and find an engine dyno shop that can run my twin turbo LS6 setup that last pulled 650 at the wheels. I can guarantee you the engine dyno will not read a mere 700 bhp, but it probably wouldn't hit 764 bhp either which is what 650 at the wheels would translate to assuming 15%.
Anyway, not sure why I went off on that tirade when Lou already said that the 15% number was a guesstimate for cars in the 320-500 window and the question was whether or not this car could produce 500.
My only point was, maybe he did, maybe he didn't, but he's not THAT far off from it if he didn't.