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Is 450 rwhp cam only possible?

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Old Sep 22, 2006 | 09:00 PM
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Default Is 450 rwhp cam only possible?

Is it possible to get 450rwhp from cam only on an 02 LS6? I see thunder says their TRex did 451rwhp on 99' stock heads on an f-body. Anyone else have any thoughts about this? My goal right now is to hit 400rwhp UNTUNED on a stock LS6 cam. We'll see If i hit 400rwhp with out changing cams, and can't get atleast 50hp out of a cam change, i dont see it worth doing. (check sig for mods)

Thunder Racing's page about their 451rwhp cam http://www.thunderracing.com/dynogra...n=read&pgid=60
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Old Sep 22, 2006 | 09:02 PM
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W/ all bolt ons it is possible, even more so w/ LS6 heads.
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Old Sep 22, 2006 | 09:05 PM
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Originally Posted by calongo_SS
W/ all bolt ons it is possible, even more so w/ LS6 heads.
people over on corvette forums aren't believers. i think it can be done too, but you're going to have to have EVERY supporting mod availible. (not including a FAST)
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Old Sep 22, 2006 | 10:00 PM
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It is possible, but not likely, and peak RWHP numbers are not very important or significant anyway.

Worry more about what you run that what a dyno sheet says.
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Old Sep 22, 2006 | 10:19 PM
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Vette guys won't believe because their rear mounted trannys soak up more power than our cars.

Thunder did, and they are very reputable so yes it is possible. But you'll need a big cam like the T-rex or TSP's Giant Cam. Plus you'll the best of every bolt on out there. Plus a strong running car to begin with wouldn't hurt. Some of the 01 and 02 factory freaks that put down 315+rwhp stock could do it.

Jason
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Old Sep 22, 2006 | 10:40 PM
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There's a guy on the Z06 forum who did 450 cam only. I believe it was a T-Rex also. That being said I've never seen 400rwhp from an untuned bolt-on Z. 390 is usually very strong for a bolt-on car.
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Old Sep 22, 2006 | 10:46 PM
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One of my employees is making 461whp SAE in a 02 Z06, LG headers, stock exhaust, no cats, Fast 90, ls2 TB, Pulley, G5X4, and a bunch of tuning.
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Old Sep 22, 2006 | 10:49 PM
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z06cam on ls2.com made 454rwhp with his TR 224/228 cam, headers, and a tune.
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Old Sep 22, 2006 | 11:15 PM
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I think it would be fairly easy to do with the LS6 heads on there. You could do something like the TRex, or go with something like mine, I will have mine back on the dyno in the next week or to and should put down around 440 now. I think it should be pretty attainable if tuned right.
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Old Sep 23, 2006 | 08:37 AM
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Originally Posted by Blue02Ws6
z06cam on ls2.com made 454rwhp with his TR 224/228 cam, headers, and a tune.
Dam, that is one happy dyno.
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Old Sep 23, 2006 | 09:03 AM
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it is possible with lots of luck. but as blkz28spt said peak numbers dont matter other than in a my dyno says a bigger number than yours. trex is a good is going to make good power and run good times. if you went with this and it didnt make huge numbers doesnt mean its not going to run hard. i bet the guys making those numbers like that are not doing a few things. they are probably not running ac or power steering. some crazy timing with gas or whatever.

point is dont be upset if you dont make huge numbers and dont believe everything you read.
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Old Sep 23, 2006 | 10:05 AM
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Its posts like this that confuse me. Ive been asking if I would be able to make 450rwhp on AFR 205 heads, 224/228 cam with longtubes, fast 90/90 and a few other misc things, and Ive been told I "should", or Id be close. Then here alot of you are saying that 450rwhp with cam only (albeit a good bit more aggressive) is doable.. what gives?

Last edited by Rxmfn7; Sep 23, 2006 at 10:24 AM.
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Old Sep 23, 2006 | 10:21 AM
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Originally Posted by Rxmfn7
Its posts like this that confuse me. Ive been asking if I would be able to make 450rwhp on AFR 205 heads, 225/228 cam with longtubes, fast 90/90 and a few other misc things, and Ive been told I "should", or Id be close. Then here alot of you are saying that 450rwhp with cam only (albeit a good bit more aggressive) is doable.. what gives?
The T-Rex is definately a different animal then the 228 cam. I talked to Goeff at Thunder and he advised me it was a 'race' cam and behaves as such. It doesn't bother some people though, more power to 'em.
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Old Sep 23, 2006 | 10:45 AM
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it is doable with cam only, but you have to have a BIG cam and long tubes and a good tune and in some cases 4.10's, with your set i think you will be able to get to 450 pretty easy with that set up and cam.
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Old Sep 23, 2006 | 11:42 AM
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I'm always leery of high dyno numbers. Not saying that anyone did anything sneaky but there are lots of tricks that can be used to pump up one-time dyno performances. Cold engine, iced intake, race fuel, perfect ambient conditions, etc...

I wouldn't expect 450rwhp with stock heads on a streetable car with a safe tune. If it were reasonably do-able, we'd all be doing it by now.
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Old Sep 23, 2006 | 12:59 PM
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It's doable, but requires all the bolt ons and a big cam.
BTW icing a composite intake and running race fuel on a low compression motor will do nothing for dyno #'s. More likley dyno tricks are removing belts, screwing w/ the weather station, or entering a bad vehicle weight.
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Old Sep 23, 2006 | 01:24 PM
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450+ with a cam is highly unlikely for most people. Saying it can be done with LS6 heads it is easy is a misjudgment. I would say my 98 with stock heads would beable to hit close to 450RWHP seing as stock I dyno'd 340/350 to the rear on a dynojet.

In order to hit numbers like this from a cam/bolt-on car, there has careful tuning, perfect degree on the cam, pefrect componets set-up, and playing with the heads a bit to work a little better. I am sure you can play with gasket thickness to change things very little and do other little tricks as well.
These are just my opinions though.
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Old Sep 23, 2006 | 02:43 PM
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Originally Posted by KOTSperformance
450+ with a cam is highly unlikely for most people. Saying it can be done with LS6 heads it is easy is a misjudgment. I would say my 98 with stock heads would beable to hit close to 450RWHP seing as stock I dyno'd 340/350 to the rear on a dynojet.

In order to hit numbers like this from a cam/bolt-on car, there has careful tuning, perfect degree on the cam, pefrect componets set-up, and playing with the heads a bit to work a little better. I am sure you can play with gasket thickness to change things very little and do other little tricks as well.
These are just my opinions though.
You serious? Your '98 did 340 rwhp stock on a Dynojet? I bet you weren't the first owner of this car. That's ~50hp more than all the other '98 year model LS1 cars. Most people don't see 50 hp from a cam change.

Ben T.
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Old Sep 23, 2006 | 02:50 PM
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Originally Posted by Studytime
You serious? Your '98 did 340 rwhp stock on a Dynojet? I bet you weren't the first owner of this car. That's ~50hp more than all the other '98 year model LS1 cars. Most people don't see 50 hp from a cam change.

Ben T.
Well its debatable stock. It has all stock GM parts, but some part were taken from a 02 SS. Just the lid and cat-back.
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Old Sep 23, 2006 | 02:51 PM
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Originally Posted by Studytime
You serious? Your '98 did 340 rwhp stock on a Dynojet? I bet you weren't the first owner of this car. That's ~50hp more than all the other '98 year model LS1 cars. Most people don't see 50 hp from a cam change.

Ben T.
My 99 Z28, made 330hp/340tq, stock, with free mods
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