my buddy. He has a 02 Pontiac Firehawk and he just added a decent sized cam and put down 408 rwhp and 389 rwtq....Thats without heads !!...I have a 01 Z06 that bone stock put down 339RWHP( driving 45 minutes and pulling straight onto the dyno with no cool down) I have since added Borla stingers( only really add sound probably) and a Haltech Stinger.

We go to the dragstrip occasssionally and he already wants to race now....I have never taken the Z06 to the track only my 01 Firehawk so I dont know what it will run. I figure I need about 375-380 rwhp to keep up since the Z weighs 400-500 lbs less. Does that sound right....

If so I figure Im probably at 350-355 right now so headers , x-pipe , and a tune should get me there.....YA THINK???

I realize anything can happen , every cars different, drivers make a difference, etc........The questions are posed as guidelines for me to plan my future mods.......

Shawn

 

I have an '01 and with all of the normal bolt-ons and a good tune it dyno's at 403 rwhp & 407 rwt. That's between 65 & 70 gain on same dyno as the base line run. My sig has the list of mods but in case the sig doesn't show up in the post. My stock dyno was 335 rwhp & 335 rwt

bpp vortex rammer, haltech carbon fiber air bridge, bpp long tube step headers (removed per-cats), bpp street x-pipe, borla stingers, bpp custom tune.

You can get around 400 at the wheels on a Z06 with bolt-ons and still keep it under warranty.

Good luck!

Don

 

Have you taken it down the 1320 yet??? What did you run?

Shawn

 

Define "normal bolt-ons". I have a Vararam and LGs w/out cats and I put down 367 RWHP.

 

It generally takes an owner 30-50 passes to get consistently fast times with this severely traction limited like the Z06 or a manual tranny Firehawk. So, you have little to gain from more mods until you get the driving part of the equation nailed down.

If your Firehawk buddy has accumulated his "qualification" passes already, you might want to do the same before you two line up.

As to your other question...with 353 rwhp my 02 has run 11.81 (170' DA). With 345 rwhp, my 01 ran 12.14 (1700' DA). Both were on stock tires.

Ranger

 

Very True....he is the SLIGHTLY better driver...we both went to the track a few months back and it was my first passes in a manual ever as I took the hawk to run against his hawk.........My first pass was against him and it was my best I ran 13.330 to his 13.310 ...The rest of my passes were all 14.0-14.2 ........ So I need work...I hadnt taken the Z06 yet because the rear seems squirrely on quick shifts compared to my hawk...I plan on getting some passes in before he does tho

ALL my other passes were in my stalled bolt-on 95z28 on DR's........its a little easier as I consistently cut good 60's

Shawn

 

With the other guy (Firehawk) i'd expect high 11's out of him with the hp. If he has upgraded the suspension and launches well closer to mid 11's possibly. I'm assuming he's 6-speed I can't remember if you said. Good luck!

 

I'm very close to 400rwhp in my Formula M6, and ran a 12.003 @ 118.54 not sure of the DA but it was descent. My 60ft was 1.84 and could have been alittle better as well. I'm running the Z06 clutch and can't ask for too much more on the launch with the heavy car and stock suspension.

 

Cool...thanks. Yeah we both have Formula Firehawks( rare) with M6'S........He has some suspension work but its not drag race orientated...I dont know if he will drop the front sway bar , etc?? Who knows. Im figuring 12.0's as we have a female club member with 365 rwhp and she is running 12.5 mid summer heat and my boss had a formula with 382 rwhp and ran 12.2.......

I should probably be able to take him with headers, xpipe , tune, AMD SOME TRACK TIME TO PRACTICE.

Thanks

Shawn

 

Were your numbers corrected? I haven't seen any '02-'04 Z06's make 400 rwhp with those mods , let alone an '01. You also have the only Z06 I've heard of that makes more torque than HP with those mods.

 

Those are corrected numbers just as they should be at any dyno you use. All of the dyno runs were all on the same mustang style dyno with the same operator with the hood up and a fan placed in front of the car. The base run was 335 rwhp & 335 rwt. The last dyno run was performed after all of the mods and the tune, 403 rwhp & 407 rwt. That's a delta of 68 rwhp & 72 rwt.

I have seen a number of Z06s of all years putting down about 400rwhp (typically ranges from 385 to 405). When you do the full compliment of bolt-ons: cold air box, long tube step headers, x-pipe, cat back and good tune there is very little difference between the 01s and the later years in terms of hp. The 20 crank hp is about 17 rwhp. The hp gains for 02 to 04s were from a much bigger hole in the air box 7 to 10 rwhp (that is eliminated when you add after market cold air box), pre-cats 5 rwhp (those are eliminated when you add long tube headers). I have also heard that the Ti exhaust was changed slightly but I do not know if that is true. There were a lot of 02s with the "exhaust" jingle so something may have changed. The only change to the 02 - 04s that is not affected by bolt-on mods is the cam. That accounts for possibly 5 rwhp. So, if all of the mods were the same on 01 and 02 - 04, there would be at most possibly a 5 rwhp difference.

As far as higher torque numbers. A lot of that is due to the type of header that is used. I have a step header that goes from 1 3/4 to 1 7/8. That helps provide better torque numbers.

Also, those poor, slow, crappy 01s with that dreaded oil consumption is a looser engine. A looser enginer will usually make more horse power than a tighter engine.

Don't think the '01s are less powered due to some significant internal engine change from GM. It was mainly obtained from more freely flowing air. Which by the way, is what the after market bolt-ons really increase.

Good luck on your driving.

Don

 

Actually, the cam was a major contributor to the power increase, as well as the pre-cat removal.

And the '01 engine wasn't an oil burner because it was "Looser"... it was because the oil control rings weren't designed correctly. The engine clearances are the same.

-Dave C. Z06

 

I am 99% sure the 02 and up Z06 had a larger cam (.550 lift to the .525 lift for the O1) and different (sodium filled) valves (lighter weight for the lift increase) which helped the 20 more HP as well as the pup-cat removal.
I have yet to see an 02 or newer do 400RWHP with similar bolt ons. I do not include an electric water pump or ASP pulleys as a normal bolt on, but others may.
Your 2001 putting down the numbers is amazing. Almost 70RWHP and over 70 RWTQ from headers/air intake/tune has got to be a record!

 

I'm not calling BS , it's just that your numbers are very different from all of the other numbers I've seen. I haven't seen any year Z06 crack the 400 mark with those mods. I haven't seen an '01 go over 400 without a bigger cam and even those cars didn't come close to 400 rwtq. A different cat-back exhaust is worth next to nothing on a naturally aspirated Z06. As for the difference in torque , it can't be from just the headers. I know that stepped headers make more torque than non-stepped , but were talking about almost 30 more rwtq over any other long tube header made. That's a huge difference. It sounds like you have a very stong car , do you have any track numbers from before and after the mods?