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Old 01-27-2011, 08:27 AM   #939
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GTA's car is closer to 540 rwhp (he has an LS3). Mine is right at 500 rwhp (L99).
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Old 01-27-2011, 08:43 AM   #940
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Why is there such a variance in yours and Randy's car do you think all things being equal?
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Old 01-27-2011, 09:00 AM   #941
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I'm prettier. That's got to be worth at least 30 rwhp.

To be honest, I really don't know. We have almost identical builds. I do have trailling arms though...
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Old 01-27-2011, 09:01 AM   #942
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Why is there such a variance in yours and Randy's car do you think all things being equal?
I think he just maxed out on fuse pulls...

Would really need to know the before #'s. Mine is at 370 w/ the same mods as Randy minus the SC... so I would expect to be close to 500 w/ a maggie.

I also don't think wheels account for that much HP... I've dyno'd both ways 20 and 22 and it's not that much difference... Now getting off the line is a whole different story.

I have my 20's on now ready for track day...
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Old 01-27-2011, 09:06 AM   #943
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Quote:
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I'm prettier. That's got to be worth at least 30 rwhp.

To be honest, I really don't know. We have almost identical builds. I do have trailling arms though...
Girl you are shot out, hell if that made a difference then there is no way I would make 463 rwhp.

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I think he just maxed out on fuse pulls...

Would really need to know the before #'s. Mine is at 370 w/ the same mods as Randy minus the SC... so I would expect to be close to 500 w/ a maggie.

I also don't think wheels account for that much HP... I've dyno'd both ways 20 and 22 and it's not that much difference... Now getting off the line is a whole different story.

I have my 20's on now ready for track day...
I didn't put much faith in the wheel theory but I was thinking he should have more HP that what he has. I just have a cam and have 463 even though I have an LS3 it should be that close cause he has a Maggie. Do ya'll think something else could be wrong or is it just gonna be 471.

Maybe my trailing arms are giving me Moar.
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Old 01-27-2011, 09:09 AM   #944
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Got to be the wheels. It was a perfect day for dynoing and we used the 3.6 pulley as well. 7.3 pounds of boost. If you did the common estimate of 20 HP per pound of boost added to the 360 rwhp I started with, you'd get right at 500. Not to mention I believe mine is the lowest dynoed Maggie yet, it's gotta be the wheels.
This is definitely interesting. Some say that wheels only make a small difference, and others say it's pretty large. Has anyone else on the forum tested this?

As soon as I get my 18s in, I'll mount them and put her back on the dyno.
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Old 01-27-2011, 09:14 AM   #945
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This is definitely interesting. Some say that wheels only make a small difference, and others say it's pretty large. Has anyone else on the forum tested this?

As soon as I get my 18s in, I'll mount them and put her back on the dyno.
You and I have almost identical numbers and builds. The only difference in ours are your long tubes and my shorties. That's going to change this fall though. Time to swap for some Kooks 1 7/8" LTs.

Did you have 20s or 22s when your car was dyno'd?
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Old 01-27-2011, 09:15 AM   #946
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You and I have almost identical numbers and builds. The only difference in ours are your long tubes and my shorties. That's going to change this fall though. Time to swap for some Kooks 1 7/8" LTs.

Did you have 20s or 22s when your car was dyno'd?
I had the 22s on with my final dyno.
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Old 01-27-2011, 09:33 AM   #947
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Quote:
Originally Posted by Dr Jkel View Post
Why is there such a variance in yours and Randy's car do you think all things being equal?
Wheels.

And like I say, it was a perfect day for a dyno. Cold and dry.

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Originally Posted by Dangeruss View Post
As soon as I get my 18s in, I'll mount them and put her back on the dyno.



Every other known factor was favorable for higher numbers. Sea level, temp, humidity, etc.............. Considering my set-up, and everyone elses numbers with same set-up, it's GOT to be the wheels.
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Old 01-27-2011, 09:35 AM   #948
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I'm trying to sell my 22s so I can get a set of either 20s or 18s for mine.

My car had the stock 20s on it for the dyno runs after the maggie was installed.
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Old 01-27-2011, 09:38 AM   #949
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Originally Posted by Darth_Emma View Post
I'm trying to sell my 22s so I can get a set of either 20s or 18s for mine.

My car had the stock 20s on it for the dyno runs after the maggie was installed.
I'm also considering the change from 20s to 18s.
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Old 01-27-2011, 09:47 AM   #950
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I'm trying to sell my 22s so I can get a set of either 20s or 18s for mine.
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I'm also considering the change from 20s to 18s.
I personally think 18s are way too small for this car. I'm only using these wheels for the track.
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Old 01-27-2011, 09:49 AM   #951
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We pretty much squeezed what we could out of it. Ran the power up till the torque started dropping off.

I hear people talk about running a 'Safe' tune in order to not stress their system too much. Leaning it out or whatever.

Mine was stretched and not dialed back for 'Safe' necessarily. So my number was pretty surprizing. I could take it down and put it on the local dyno at the import shop and see what it does. They are ricers but it's a dynojet. I wouldn't let them touch the tune, just dyno it.
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Old 01-27-2011, 09:51 AM   #952
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I personally think 18s are way too small for this car. I'm only using these wheels for the track.
18s don't look horrible, but I agree that the 20s look way better. My ultimate goal is to autocross mine and I want to reduce as much rotating mass as possible. I'm of the opinion that anything bigger than 20" is too big. If it was a show car only then I could see 22s, but for performance and comfort then definitely not. Don't get me wrong, I like the looks of your 22s and several other members here, but they're just not my cup of tea.
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