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Bolt on ls1 dyno m6

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Old Dec 20, 2012 | 02:25 PM
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Default Bolt on ls1 dyno m6

So there was a local toy drive at one of the performance shops in my area so I decided the take my trans am there.

The car is a 1998 M6 Trans am with about 120k miles on the clock STOCK TUNE!

DYNO IS ALL MOTOR, NO SPRAY.

My mods are:

Pacesetter Long tubes
Off road Y-pipe
3" electric cutout
LS6 Intake
Aftermarket lid (unknown brand)
Smooth bellow
Free ram air mod
De screened MAF
Throttle body by-pass

Car has 275/35/18 tires with c6 z06 rims. (dont know how much the extra weight from the wheels hurt if any)

365.7 RWHP

373.2 RWTQ

The dyno was a Dynojet

Let me know what you guys think. Also I'm confused as to why it has engine speed (MPH) on the graph instead of engine rpm?





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Old Dec 20, 2012 | 02:33 PM
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Very nice car! What dyno was that on?
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Old Dec 20, 2012 | 04:34 PM
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Very nice car, but that's one happy *** dyno.

The graph can be set up for RPM or MPH, if I remember correctly they use MPH if they're having issues with the tach signal pickup to get RPM.
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Old Dec 20, 2012 | 05:13 PM
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It was a dynojet, not really sure which model.
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Old Dec 20, 2012 | 05:13 PM
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That's a great number on the stock tune
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Old Dec 20, 2012 | 05:16 PM
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Originally Posted by raytx1
It was a dynojet, not really sure which model.
Pretty sure the correction factor was a bit high, that is what full full bolt on LS1 cars usually dyno. But dyno #'s should really be taken that serious, they vary from dyno to dyno. Track results is what should be taken more serious.
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Old Dec 20, 2012 | 05:17 PM
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Originally Posted by thunderstruck507
Very nice car, but that's one happy *** dyno.

The graph can be set up for RPM or MPH, if I remember correctly they use MPH if they're having issues with the tach signal pickup to get RPM.
I agree about the dyno being very giving. I hear dynojets are the higher reading dynos.

And thanks I didn't know that about the rpm signal. I do wish I could see what the car was making at different rpm's.

Oh well, guess ill wait till I get my cam to go with my ported 243's.
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Old Dec 20, 2012 | 06:00 PM
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Yeah, id say 370 rwhp is a bit generous. More likely around 350 rwhp with those mods.
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Old Dec 20, 2012 | 10:59 PM
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Wow that's crazy. I need to try a dyno jet.
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Old Dec 20, 2012 | 11:15 PM
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STD would be more like 353/360 which for the mods given is impressive but
not outrageous.
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Old Dec 21, 2012 | 12:08 AM
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Originally Posted by A.R. Shale Targa
STD would be more like 353/360 which for the mods given is impressive but
not outrageous.
Do you mean SAE? Because this was dyno'ed on STD.
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Old Dec 21, 2012 | 09:19 AM
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Originally Posted by FirebirdTransAm
Yeah, id say 370 rwhp is a bit generous. More likely around 350 rwhp with those mods.
With no tune I wouldn't even buy that.
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Old Dec 22, 2012 | 07:50 PM
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Yeah I knew dynojets read high.

Anyways, what do you guys think of the power curve? Is it lacking power anywhere is shouldn't be? I'm not too familiar with dyno graphs.
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Old Dec 22, 2012 | 09:09 PM
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HPP explains it. Their's never seems to read what other area dynojets will read.
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Old Dec 23, 2012 | 07:31 AM
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The curve looks great. Time for H/C/tune!
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Old Dec 23, 2012 | 08:09 AM
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Any track times to back up the dyno?
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Old Dec 23, 2012 | 05:59 PM
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I dyno'ed 360/390 fwiw n/a
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Old Dec 24, 2012 | 01:31 PM
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Originally Posted by raytx1
Do you mean SAE? Because this was dyno'ed on STD.
Correct....I was thinking/meaning SAE and still typed STD....I'm such an idiot
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Old Dec 25, 2012 | 09:31 PM
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Good numbers, seems about right to me. Even though I belive Dynojet Dyno arent as accurate. My tuner/builder has one and he doesnt base his self alot of what the Dyno says.
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Old Dec 25, 2012 | 11:44 PM
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Yeah, the numbers are high, but it's always best to leave the dyno with unusually high numbers rather than unusually low numbers, IMO.
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