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Disappointing Dyno Results

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Old 03-07-2010, 09:26 PM
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Looks like it peaks torque a little early. What intake centerline was the cam degreed in at? Assuming you degreed the cam that is. Numbers look pretty disappointing to me sorry.
Old 03-08-2010, 12:11 AM
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i would really look at the tune. buddie of mine has an 01 m6 T/A pretty much same setup you have and it pulled 438rwhp-410 rwtq
all done on a dynojet
Old 03-08-2010, 01:10 AM
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Default Ya !

Sorry about that I am a horrid typer! 420 is what I mean!
Old 03-08-2010, 06:30 AM
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That's more like what I was expecting. The car club I joined is having a dyno day this spring, I might have that place take a look at the tune and see if this guy f'd it up.
Old 03-08-2010, 11:08 AM
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Seems about right for the mods you've got and where the pull was stopped. A FAST intake would definitely wake it up a good bit more, but she looks alright to me all things considered!
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Old 03-08-2010, 12:02 PM
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By looking at the graph and the pull being 1500rpm to 6000rpm makes me think that it was probly done in 3rd gear too which brings down the #'s. I have no idea why the pull would stop at 6k rpm unless there was a problem.
Old 03-08-2010, 12:28 PM
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Originally Posted by wytry
Quick ?, what does SAE Smoothing: 5 mean? (top right corner of sheet)
The graph that comes out is kind of bumpy, so they use that to smooth the line out. It just makes it easier to read.
Old 03-08-2010, 01:12 PM
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Originally Posted by Longshot LCMS
I think it's got some more RPM in it... but do keep in mind that all dynos read differently. If it hauls ***, be happy.
This.
Old 03-08-2010, 06:19 PM
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What gear are dyno pulls usually made in? Fourth?
Old 03-08-2010, 06:54 PM
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Originally Posted by wytry
What gear are dyno pulls usually made in? Fourth?
depends on tuner i have seen them done in 3rd and 4th..

dyno numbers seem pretty good, i would have thought 420 with a m6 but if it runs good y complain...its just a dyno number..we have all seen a car with less outrun a car with more...
Old 03-09-2010, 09:33 AM
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Originally Posted by fatmat80
depends on tuner i have seen them done in 3rd and 4th..

dyno numbers seem pretty good, i would have thought 420 with a m6 but if it runs good y complain...its just a dyno number..we have all seen a car with less outrun a car with more...
When you look at that graph, she's still pulling nicely when they stopped the run. There's more there than is showing on THAT graph for sure
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Old 03-09-2010, 10:57 AM
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if its a 98 he had good cause not pulling past 6200 but since he stopped at 6 idk why he would stop there
Old 03-09-2010, 11:20 AM
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Dude, I have damn near the exact setup as you. Everything is the same except the pump, injectors, and termostat. Mine are all stock and I have stock 241 heads and my car made 403/392.
Old 03-09-2010, 02:08 PM
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what kind of dyno were you on? mustang or dynojet?

where did you get it tuned at?
Old 03-09-2010, 07:43 PM
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You still have room for more in it. The intake for one and the stock massair. I gained 9hp just going from a stock massair to a gm 85mm unit. You have another 25hp you could still get. It made good power overall. I'd be happy.
Old 03-10-2010, 06:37 AM
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Dynojet, at Backstreet Performance here in Medina, OH. Now its throwing a P0135 and a P0153 for the O2 sensors....he was supposed to tune out the rear ones I deleted...Are these codes caused by the missing ones or the ones still in place? Seemed like it was stuttering or missing on accel here and there too today. Now I'm just more pissed about this tune (assuming that's what caused this too...).
Old 03-10-2010, 07:10 AM
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Also a P0134 and P0155. Idle is at 1500. Wtf is going on.
Old 03-10-2010, 12:36 PM
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Originally Posted by Ryans99ls1
what kind of dyno were you on? mustang or dynojet?

where did you get it tuned at?
Dynojet at Next Level Performance.
Old 03-10-2010, 02:40 PM
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Originally Posted by wytry
Dynojet, at Backstreet Performance here in Medina, OH. Now its throwing a P0135 and a P0153 for the O2 sensors....he was supposed to tune out the rear ones I deleted...Are these codes caused by the missing ones or the ones still in place? Seemed like it was stuttering or missing on accel here and there too today. Now I'm just more pissed about this tune (assuming that's what caused this too...).
Hmm thats weird, those are pretty good guys over there. Definitely not some crackhead tuners. Have you called them back and talked to em about it?
Old 03-10-2010, 07:21 PM
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I'm gonna swap back in the stock injectors and the pcm I have with a stock tune and see how it runs and if any codes are thrown. If not then ill talk to Eric and see what's up with the tune.



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