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Old 06-27-2014, 04:29 PM
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Car: 1985 z28
Engine: 305
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no start

I have had enough with these headers. I put a new starter in because I was having starting issue, which now I am thinking was heat soak. First start up I never had an issue even now. After car is hot and let to sit it would have trouble starting. Then I decided to put in mini high torque starter and wrap the solenoid now when it really hot out currently 84 and humid it started up just fine ran to get gas came home, let it sit for awhile and it would just click and starter wouldn't engage. I have 12.6 volts to the battery I tried to cool starter down with cold water, tap on starter and still nothing? Please help...
Old 06-27-2014, 07:04 PM
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Car: 91 Z28 camaro
Engine: L98 from 90-92 camaro
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Re: no start

Maybe the wire going from starter to your battery is corroded and not making good connection... try jiggling it on both ends (Starter and battery side)
Old 06-28-2014, 05:20 AM
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Re: no start

I just installed starter like 3 weeks ago and I cleaned everything. it starts once everything cools down.
Old 06-28-2014, 02:10 PM
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Re: no start

Well in that case it might be your ecm. I have heard of some peoples computers causing similar issues, just google stuff like "Tpi car wont start agin after driving awhile" And read up until someone more knowledgeable can help you, but sounds like ecm to me.
Old 06-28-2014, 04:11 PM
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Re: no start

ok thnks ill look into it
Old 06-29-2014, 02:39 AM
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Car: 91 Z28 camaro
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Re: no start

Hey man I bet your issue is the ICM, sometimes they will create similar issues like your having and the ECM sounds less likely ( Small chance) after I thought about what you described. A new ICM is like $12 and it just sits under the distributer on some models... It could also be your Coil (If you have one)
Old 06-29-2014, 11:23 AM
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Re: no start

I just had this issue. Car starts up, drive it, wont start unless I let it sit for a bit. Turned out the be the ICM chip. But the car WOULD turn over, just not run. If it its doing nothing, it could be a heat issue.
Long story short, I had a hood lock and start kill key switch installed back in 1990. If the car was hot, it would not start. Turned out the wire that killed the starter was NOT big enough and it would get hot. I since cut that out the following summer and the issue was resolved. If any wires are getting hot, that will build up resistance and cause current to fail. Maybe the headers are heating the iginition wires?
Old 06-30-2014, 06:40 PM
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Re: no start

sounds like the wires, maybe wrap them all in heat tape?
Old 06-30-2014, 06:41 PM
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Re: no start

Ill check ICM tho, it just seems like starter bc that is the only thing I have been messing with.
Old 06-30-2014, 06:45 PM
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Re: no start

Sounds like a timing issue to me. My Vortec starter cranks my 350 over fine at 12* initial timing.
Old 06-30-2014, 08:29 PM
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Re: no start

Originally Posted by NickDash
sounds like the wires, maybe wrap them all in heat tape?

I would for sure. Can't hurt either way. Are the headers wrapped?
Old 06-30-2014, 08:32 PM
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Re: no start

Originally Posted by NickDash
Ill check ICM tho, it just seems like starter bc that is the only thing I have been messing with.
.

Well if you could somehow run a jumper wire from the battery after its hot that would confirm if the wires getting hot are the issue.
Old 06-30-2014, 09:29 PM
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Re: no start

Originally Posted by Hawkeye1980
I would for sure. Can't hurt either way. Are the headers wrapped?
no they aren't, I don't want them to rust any faster then they are prolly going to anyway
Old 06-30-2014, 09:31 PM
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Re: no start

Originally Posted by Hawkeye1980
.

Well if you could somehow run a jumper wire from the battery after its hot that would confirm if the wires getting hot are the issue.
yeah ill have to start messing with it, im just losing interest, after I fix something something else needs to be done lol
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