C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

idle at 500?

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Old Mar 27, 2002 | 09:53 PM
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Default idle at 500?

Whe nwarm and in drive my car will idle at 500. I heard that under 700 the batt. starts to discharge. Is 500 too low?
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Old Mar 27, 2002 | 10:00 PM
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Default Re: idle at 500? (Tim89)

I don't know about the battery discharging below 500, but I don't think it would be an issue since you surely spend a lot more time above 500 rpm than you do at a 500 rpm idle! As long as it dosn't want to die on you I don't see a problem.
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Old Mar 27, 2002 | 10:08 PM
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Default Re: idle at 500? (Tim89)

My 86 idles at 500rpm when warm. The instructions I have for setting the base idle say to set it to 450rpm when warm and in gear, so 500 sounds about right.
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Old Mar 27, 2002 | 10:09 PM
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Default Re: idle at 500? (Tim89)

My manuel states when adjusting TBI's it should adjust to 475. I've never seen that...but that is what the bhook says.
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Old Mar 27, 2002 | 10:52 PM
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Default Re: idle at 500? (JonM)

check the TPS voltage, but mine idles at 6-700rpm, yours may be a bit low but i dont see that its a major issue
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Old Mar 27, 2002 | 10:58 PM
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Default Re: idle at 500? (Mike263)

Thanks for the responses. Not somthing I will worry about.
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Old Mar 28, 2002 | 12:48 AM
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Default Re: idle at 500? (Tim89)

Flip the dash sw to "Volts" and see if it's charging. Unless you have an underdrive crank pulley it should be ok.
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Old Mar 28, 2002 | 12:53 AM
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Default Re: idle at 500? (65Z01)

hehe.... if i set my idle to 500, my car would just die. The cam requires about 650 or 700. I have mine at 775 when warm so that it's not toooo rough.
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Old Mar 28, 2002 | 02:02 AM
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Default Re: idle at 500? (Glock'94)

hehe.... if i set my idle to 500, my car would just die. The cam requires about 650 or 700. I have mine at 775 when warm so that it's not toooo rough.
Don't feel bad! With my cam I have to idle at 900!
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Old Mar 28, 2002 | 02:16 AM
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Default Re: idle at 500? (Ezgoin721)

yeah, i'm not bad off at all.. other cams are much worse. I stalled it tonight once putting it into gear :). I should have it higher, but I like the sound of the low idle on a cammed car :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod: :yesnod:
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Old Mar 28, 2002 | 02:37 AM
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Default Re: idle at 500? (Tim89)

L98 normal idle at 450-500. LT1s' idle higher
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