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Author
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Topic: Spinning tires on dyno affect tune?
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LETHL 03
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Member # 5401
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posted
 
 
Noob question, but how does as pinning the tires on the dyno affect the tune?
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RIP Willie Guzman LQ9SN95
Hard Head Muscle
#HHM #babydickcobra #lethl03
Posts: 4128 | From: 702 HHM | Registered: Feb 2005
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SIC9250
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Member # 8216
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posted
Someone's got some power ![[burnout]](graemlins/burnout.gif)
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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LETHL 03
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Member # 5401
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posted
I wish, graph shows different lol, car spun horrible on dyno, even tried out slicks and was bad
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RIP Willie Guzman LQ9SN95
Hard Head Muscle
#HHM #babydickcobra #lethl03
Posts: 4128 | From: 702 HHM | Registered: Feb 2005
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SIC9250
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Member # 8216
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posted
What dyno were you on?? I've seen 6-700hp cars not spin at all..maybe not strapped tight enough? Weird..
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Coyote_Mach1
Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008
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98 ROUSH
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Member # 10309
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posted
Like sic9250 said it probably wasn't strapped down good enough.
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Built 2v
Stroked, Cammed and Blown
Advanced Auto Built & Kurgan Tuned
Posts: 4678 | From: North Hayward, Cali | Registered: Sep 2010
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5.0 LsX
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Member # 10017
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posted
the graph will be real choppy, lots of waves and not accurate at all. its hard to get the car strapped in tight enough if the straps are not mounted lower than the rollers. try some vht and as many heavy people in the trunk as you can get
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91' Notch
Posts: 1260 | Registered: May 2010
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CornOil_&_Boost
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Member # 5888
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if it's spinning, there wasn't full load and will affect your results drastically.
we used NAPA Belt dressing at our last dyno session and it would fine even with a couple of 800+RW cars on the dyno
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https://www.facebook.com/pushrodpoweredmustangs
'95 Cobra - small engine / small turbo -
'02 Excursion 7.3 - tow vehicle
'14 - Chevy Volt - DD
Posts: 5097 | Registered: Jul 2005
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CobramanPhil
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Member # 2170
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If the tuner is competent he will not try to "tune around" the slippage during the run. Any mechanical issue should be taken care of first (slippage means you have a lack of traction and that will need to be addressed first).
Posts: 1016 | From: California, Bay Area | Registered: Dec 2002
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MaK_1967v8
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Member # 12187
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posted
Slicks and you need weight in the rear. sand bags, weights, or people.
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1967 C Code Coupe
2004 Roush Stage 2
Posts: 620 | From: Sacramento, CA | Registered: Jul 2012
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