Normal Idle speed
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Joined: Apr 2011
Posts: 128
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From: Adelaide
Car: '84 Trans Am
Engine: 305
Transmission: Auto
Normal Idle speed
Hi all. Just a quick one. Whats a normal idol, in neutral, for an auto 84?
I'm guessing around 800-850 as it is meant to drop to 650 in drive.
Cheers.
Jonno.
I'm guessing around 800-850 as it is meant to drop to 650 in drive.
Cheers.
Jonno.
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Joined: Oct 2009
Posts: 369
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From: Washington-state
Car: '96 Camaro-Vsux -- SOLD, '84 Z/28
Engine: 3.8L, 305 SBC
Transmission: 4L60E, T-5
Axle/Gears: 3.08s, 3.23s
Re: Normal Idle speed
If your car still has the sticker on the hood, you should be able to read that manuals should idle around 700 RPMs and then autos should idle I think 650 in drive.
But going 800-850 RPMs down to 650 RPMs is quite the jump...
But going 800-850 RPMs down to 650 RPMs is quite the jump...
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Joined: Apr 2010
Posts: 245
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From: sussex county, NJ
Car: 84 Z28 / 11 genesis coupe
Engine: 355/210 heads/275deh/Proform 750 DP
Transmission: 700r4/B&M 2400
Axle/Gears: 02, allu.axle, 3.42, posi
Re: Normal Idle speed
it depends on your air fuel ratio, vacuum and advance at idle and the ability of you setup to compensate for the TC load, mine idles at 900 in park and drops to 750 in drive with the combo I have, a little higher idle is better as you get better oiling and better off idle response
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