renegad44

Haven't found what I was looking for , so, dealing with C5's, what would the "base" RWHP/RWTQ, be for a Z06, vs a Coupe. Thanks....

regblkss

Well ls1 is around 300ish and ls6 is around the 350ish all stock

road pilot

Personal experience--C-5=280rwhp ZO-6=330rwhp

Corvette_Ed

but remember that results differ from dyno to dyno, and 97-00 (?) had roughly 5 HP less than later years.

renegad44

Yep , that's the one I was looking for. I thought that's what I read/heard, years ago, 280 for a C5, and 330 for Z06. I know that's roughly "ballpark" figures, but those are close. Thanks...

PHILLY JOE

2002 z06//just done a /a&a super charger on a 4k z06. Went to the dino. It pulled 573 hp 465 torque // stock/ only mod was the supper charger. They said it would pull over 600 hp / i said leave it where its at. Headers maybe around 635 hp. More then i need. The ls6 a great engine. Joe

renegad44

That's a good bump with the A&A S/C. My brother has an A&A S/C on his C6, no engine MODS, and he's pulling 575RWHP on a conservative dyno. I don't have a S/C but plenty engine MODS, and won't be making those numbers, but will be well "north" of a stock C5Z06-RWHP.

MY03C5Z

My 03z dyno'd 363 rwhp recently, car is bone stock with just the cover removed from the stock airbox (some say that's worth 10hp). 39k miles.

Toque

It depends on the coupe's.

Auto with 315 rear end - Around 310 rwhp stock
Auto with 273 rear end - Around 290 rwhp stock
6 Speeds with 342 rear end - Around 310 rwhp stock

Z06's
2001 Z06 (385HP) - Around 335 rwhp
2002-2004 Z06's (405HP) - Around 350-360 rwhp

My Experience
My 2004 Z06 dyno'd 358rwhp on a Dyno Jet bone stock.

Toque

ZZ06

From what ive seen, most 02-04's dyno 340-360. My 01ZO6 dynoed low. It was a mobil dyno and coulda been stingy but she only laid out 320/318 stock....after LG LT's n tune, i sat nice n pretty at 362/360. After first cam install 412/380...New cam and new numbers coming soon....

renegad44

Thanks guys, Toque, I didn't think of throwing in differentials/tranny, good info...

Didn't the 04-Z06 come with the "better/larger" cam than previous years?

Toque

Here are the differences between the LS6 motors in the C5 Z06's.

http://corvetteactioncenter.com/spec...6/2002ls6.html

2001 Model ............385 HP
2002-2004 Model.....405 HP

There was a cam change (and other changes) in the 2002 model LS6 which helped give the higher HP.

Toque

ZZ06

No. Cam was the same from years 02-04. 01 was different as Toque posted. 01's cam profile: 204/211 .525/.525 116LSA
02-04 cam profile: 204/218 .555/.551 117.5 LSA

NukeC5

Dang, that's the lowest estimates I've ever heard for these cars! Im Guessing my 99 A4 was in that area stock... But it must have been a decent car from the factory and been closer to 300 mark, because I dont believe my intake and exhaust work and a dyno tune would increase me by 45whp. I pulled 225whp/225wtq on a dynojet.

AU N EGL

But those are the HONEST estimates when new, not forum estimates.

renegad44

Good info guys, I was curious to base RWHP on some model years.

Thanks....

tlove32

This has been my experience at the many dyno days I've been to over the past 15 years.


FWIW, 04z dyno'd 362rwhp bone stock engine with Corsa catback

Vetteoholic

I don't know if my LS1 is on the stronger side, but mine put down 310 RWHP when it was bone stock. I do have an '03 MN6 though, & in 2001 the LS1 gained +5 HP & +25 LBFT on the 6 speed cars. I think the +5 HP is conservative though to be honest. My previous '02 Z06 put down 354 RWHP bone stock on the same dyno a few years back. I hope this helps.

Vetteoholic

I almost forgot... These numbers are from a Dynojet just to let you know. I know the Mustang Dyno reads a bit lower than the dynojet & every dyno is different.

road pilot

Let's face it. There is NO set number for rwhp. It is a range
of numbers. There many variables and as long as Brag Rights
are not counted --you can get a pretty good picture. Most of
us overestimate rwhp and that goes for the tuner who is
trying to please a customer. Being alittle conservative is
a good thing.