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Author Topic: What gear to Dyno In?
phils_99ss1808
1st Gear
Member # 145

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What is the correct way to to Dyno Jet test a auto trans. Does it matter what gear and does the ASR have to be turned off?
While I am asking, my neighbor with a 97 SS manual is going to test with me on Friday. What should his gear selection be?
Thanx
Phil

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Posts: 61 | From: La Verne, California | Registered: Feb 2000  |  IP: Logged
SStylez
1st Gear
Member # 839

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For the A4, turn the ASR off, that way you won't get that abs inop light.

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2001 Camaro SS
Team Reckless #1

Posts: 143 | From: Bay Area, CA | Registered: Dec 2000  |  IP: Logged
phils_99ss1808
1st Gear
Member # 145

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Thanks SStylez:
What gear drive 3rd or O-drive 4th

Phil


Posts: 61 | From: La Verne, California | Registered: Feb 2000  |  IP: Logged
Steve_Winters
2nd Gear
Member # 128

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Best dyno results are when there is 1:1 ratio in the transmission. That means 4th gear for the manual. With an auto, you just have to let it shift, then read the value when in third gear.

The manual trans will produce a very nice smooth curve from 2000 RPM or so to the rev limiter. The auto trans will produce a line with big discontinuities at the shifts.

Dyno runs on manual equipped cars are usually plotted with RPM as the X axis and auto cars with MPH as the X axis.

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Cheers,
Steve SSOA F00-1363 CCSD #204
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Dyno's at 312 RWHP, 321 RWT
96 K1500 SWB Silverado 350 5 speed 3.73 axles Z71 G80 etc.

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Posts: 466 | From: San Marcos, CA, USA | Registered: Feb 2000  |  IP: Logged
phils_99ss1808
1st Gear
Member # 145

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10-4, Exactly what I needed to know.

Thank You

Phil


Posts: 61 | From: La Verne, California | Registered: Feb 2000  |  IP: Logged
   

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