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New Batt; Still wont start w/o a jump

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Old Jun 7, 2008 | 12:56 PM
  #1  
Matthew91-Z28's Avatar
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From: Texas
Car: 1991 Z28 Convertible
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.23 with Eaton posi
New Batt; Still wont start w/o a jump

That about sums it up.

Key in the ign. All acc off. Turn key and I get a click from the starter, but no turnover.

Did this yesterday and finally started after a few tries. Went to autozone and the batt tested ok, but I went ahead and traded it for a Duralast Gold with huge cranking amps.

Started up and drove about 30 minutes. Got home. Went back out to start it and same symptoms.

Wouldnt start until I jumped the battery.

I get good volts on my guage while driving. I dont understand.
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Old Jun 7, 2008 | 01:03 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: New Batt; Still wont start w/o a jump

Check the main ground from the battery to the block.
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Old Jun 7, 2008 | 01:46 PM
  #3  
Matthew91-Z28's Avatar
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From: Texas
Car: 1991 Z28 Convertible
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.23 with Eaton posi
Re: New Batt; Still wont start w/o a jump

Where exactly is that?

To test a bad ground, could I just jump the neg terminal to the chassis somewhere (with cables)?


Edit: I forgot. Just remembered where it is. I will check. Thanks
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Old Jun 7, 2008 | 05:11 PM
  #4  
Matthew91-Z28's Avatar
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From: Texas
Car: 1991 Z28 Convertible
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.23 with Eaton posi
Re: New Batt; Still wont start w/o a jump

I am soooooo sick of this car. Checked the ground to engine: fine. Checked to make sure the starter cables were tight on their conection: fine. I replaced the neg batt cable a few months ago and spliced in to the voltage reg that grounds to the body. Its not soldered but the wires are twisted together and making good conection. Pulled them apart and reconnected. Still same problem.

Wil start intermittently. When it doesnt I hear the starter click once. When it does start, it just starts like there was no problem.

Its so random, I cant pinpoint where the problem is!!!!!
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Old Jun 7, 2008 | 06:52 PM
  #5  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: New Batt; Still wont start w/o a jump

The battery cable goes to the body? No, it has to go to the block. The engine has a hard time getting a high amperage ground to the body for the starter.

Hook a battery cable from the battery ground directly to somewhere on the block. Will it start like that?
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Old Jun 7, 2008 | 07:04 PM
  #6  
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Re: New Batt; Still wont start w/o a jump

i had the same problem once and it turned out the starter was bad and needed a ton of voltage to turn take the starter to az or advanced and have it tested
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Old Jun 7, 2008 | 07:19 PM
  #7  
AlkyIROC's Avatar
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Joined: Jul 1999
Posts: 17,262
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: New Batt; Still wont start w/o a jump

That would have been my next suggestion if a heavy ground didn't work.
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Old Jun 7, 2008 | 07:30 PM
  #8  
89IROKCONVERT's Avatar
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Re: New Batt; Still wont start w/o a jump

your a mod so you must be well versed so can you tell me why no one will reply to my ?s is it my name?i spelled it wrong and then couldn't find out how to change it .
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Old Jun 7, 2008 | 07:49 PM
  #9  
AlkyIROC's Avatar
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25 Year Member
 
Joined: Jul 1999
Posts: 17,262
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: New Batt; Still wont start w/o a jump

Users respond to questions only if they feel they want to. A question can be worded so nobody wants to respond. I respond to many questions but also don't respond to many even if I know the answer because I feel the person asking the question isn't qualified enough to do the repairs or modifications they want to do. It's like asking a dentist how you can do your own fillings. Everyone thinks they have mechanical knowledge but many shouldn't own any tools.

Don't take it personally if nobody answers your questions. The topic could be so vague that someone who many know the answer won't even click on the topic.

Many times the search feature can also answer your questions. There's about 10 years worth of messages archived.
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Old Jun 7, 2008 | 08:00 PM
  #10  
89IROKCONVERT's Avatar
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Re: New Batt; Still wont start w/o a jump

so you dont think its the name
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Old Jun 7, 2008 | 08:06 PM
  #11  
Cat59's Avatar
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Joined: Sep 2005
Posts: 136
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From: Jackson, Michigan
Car: '87 IROC Z w/43,000 miles
Engine: 305 F code motor
Transmission: 4 speed auto
Axle/Gears: 3.73
Re: New Batt; Still wont start w/o a jump

Originally Posted by 89IROKCONVERT
so you dont think its the name

No, I think your problems lie with having corroded grounding points.


P.S. Also, I one time had a starter, once it was fully heat soaked, it couldn't roll the motor over to save my rear!

Last edited by Cat59; Jun 7, 2008 at 08:09 PM. Reason: added suggestion
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Old Jun 8, 2008 | 01:58 PM
  #12  
Matthew91-Z28's Avatar
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Supreme Member
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Joined: May 2002
Posts: 1,333
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From: Texas
Car: 1991 Z28 Convertible
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 3.23 with Eaton posi
Re: New Batt; Still wont start w/o a jump

Sorry for not replying yesterday. Ground to the block is fine. This sounds like its starter (like 89irokconvert said), but I'm slapping my forehead thinking WHY is it always another STUPID starter?

I have been plagued with crap starters. I replaced 4 stinkin starters last year. 3 were Autocrap stock starters, which all pooped out after a month. The fourth , last Novmber, was a LT1 starter from a 96 camaro and it lasted me 6 months.

I am just boggled.

If I had the $$ I would never buy ANY PART from AZ, Pep, Advanced, ETC.

I'm getting mighty miffed because at this point I can replace a starter blind and I am not employed as a mechanic!
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Old Jun 8, 2008 | 04:56 PM
  #13  
AlkyIROC's Avatar
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25 Year Member
 
Joined: Jul 1999
Posts: 17,262
Likes: 168
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: New Batt; Still wont start w/o a jump

When I bought my truck back in 96, the starter failed a few months after I bought it. Installed a new NAPA starter and it lasted about 6 months. Went and got a junkyard starter and it's still in my truck.

I run a mini starter on the race car. To pull the starter off, I have to pull the header because one tube goes directly under one of the starter bolts.
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Old Jun 8, 2008 | 05:05 PM
  #14  
89IROKCONVERT's Avatar
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Re: New Batt; Still wont start w/o a jump

i have a starter for a dozen different cars under warranty from fixing other peoples cars so i never pay for a starter. plus most are really interchangeable
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