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one simple question about setting the timing...

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Old May 23, 2001 | 11:06 AM
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Z-BOSS's Avatar
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From: MS
one simple question about setting the timing...

on an automatic what rpms does the car need to be running to set the timing?
86 tpi

[This message has been edited by Z-BOSS (edited May 23, 2001).]
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Old May 23, 2001 | 11:09 AM
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From: Raleigh, NC, USA
Idle, so.. around 1000 rpm's in neutral.

Also note the RPM will change when you adjust the timing.

------------------
89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else
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Old May 23, 2001 | 09:34 PM
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8Mike9's Avatar
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From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
If alls working well, and resonably in spec, you should idle about 750rpms on a stock motor.

If not, you should look through Tech Central and adjust min-idle speed.


1000 rpms in nuetral/park is too high.
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Old May 23, 2001 | 09:49 PM
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That 750 target RPM was in drive, I thought.
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Old May 23, 2001 | 10:07 PM
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From: NE
Car: 82 camaro SC
Engine: 350
Transmission: 700r4
With a good tranny, 1000 rpm in park will bark the tires when you put it in gear if you have a stock TC.

------------------
82 camaro--original steering wheel, brake/gas pedals, seats--everything else modified
82camaro
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Old May 24, 2001 | 10:17 AM
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8Mike9's Avatar
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From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
<font face="Verdana, Arial" size="2">Originally posted by Enkil:
That 750 target RPM was in drive, I thought.</font>
The TPI should idle at 750 (when warmed up in closed loop) in P/N, and also when you put the car in gear too.

The EFI cars are better at controlling idle than the older carbed (pre-ECM'ed one's) are.
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