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Old 01-14-2014   #1
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Long cranking

I have 90 zr1 whenever i go to start it it takes a good 3 seconds is that normal,any info would be appreciated .
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Old 01-14-2014   #2
Kevin
 
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Default Re: Long cranking

perfectly normal.
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Old 01-14-2014   #3
Vetman
 
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Location: Yakima Washington
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Default Re: Long cranking

yes, mine too. I believe the ECM controls the slow start. Normal
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1990 Z # 2441
1959 c-1 230 HP 4 speed frost blue/silver 3 owner
2011 cts-v 556 HP, manual 6 speed
1955 chev 2dr ht PP 265 3 speed w/OD
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Old 01-14-2014   #4
We Gone
 
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Default Re: Long cranking

It has to find #1 before it starts
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1990 Steel Blue/Black #2355
1990 Red/Red #1473
1991 Quasar /Black #118 Sold
1991 Turquoise/Black #766 Parted Out
1993 Yellow/White #179 Sold
1990 Black/Gray #1361 Headers/4:10s Sold
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Old 01-14-2014   #5
Blue Flame Restorations
 
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Default Re: Long cranking

My 91 sometime starts the exact moment you turn the key. All depends where compression is at. My Z is modded with cams as well.
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1990 ZR-1 #444 Convertible
1990 ZR-1 Black #966
1991 ZR-1 Quazar Blue #296
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Old 01-14-2014   #6
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
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Default Re: Long cranking

Thanks guys I feel a lot better
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Old 01-14-2014   #7
Blue Flame Restorations
 
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Default Re: Long cranking

Probably not a factor for you but a weaker battery will also cause longer cranking.
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1988 KOH Prototype EX5023 sold
1990 ZR-1 #444 Convertible
1990 ZR-1 Black #966
1991 ZR-1 Quazar Blue #296
1957 Duntov SS Project
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Old 01-14-2014   #8
Dynomite
 
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Default Re: Long cranking

Quote:
Originally Posted by Blue Flame Restorations View Post
Probably not a factor for you but a weaker battery will also cause longer cranking.
3 seconds is perfect for both my 90' and 91'.......Now if I could get that quick start for my 1986 Silverado

Brett...what the hay is The ever-popular Ash Tray Relocation to Center Console for Car Wash Quarters mod

Is this another modification I should partake in
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Old 01-14-2014   #9
edram454
 
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Default Re: Long cranking

i have a 1990 also. your starting issue is perfectly normal. mine starts the same way every time. My car has no issue, throws no lights at any time.
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Old 01-14-2014   #10
Blue Flame Restorations
 
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Default Re: Long cranking

Quote:
Originally Posted by Dynomite View Post
3 seconds is perfect for both my 90' and 91'.......Now if I could get that quick start for my 1986 Silverado

Brett...what the hay is The ever-popular Ash Tray Relocation to Center Console for Car Wash Quarters mod

Is this another modification I should partake in

That was a well thought out modification to a repeatable issue....quarters kept falling all over my inner console area. Needed something to put them in. The rubber liner thingy is now in the console I like to think I'm a trend setter.
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1988 KOH Prototype EX5023 sold
1990 ZR-1 #444 Convertible
1990 ZR-1 Black #966
1991 ZR-1 Quazar Blue #296
1957 Duntov SS Project

Last edited by Blue Flame Restorations; 01-14-2014 at 11:09 PM.
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