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Old 10-15-2003, 07:01 PM
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starting issues...battery or starter?

OK, just got my rebuild running, and its running great!

But, after I shut it off, after its break-in, I immediately tried to start it, and it just kind of "chugs", like there isnt enough power to turn it over faster.

I noticed this while oil-priming it as well. The battery is only about 2 years old and takes a charge well, and the starter is brand new. If the battery reads 12.79 or close to it, it doesn't seem to want to start, but if the battery sits on the trickle charger for a few days, and I try to start the vehicle when the battery read around 14-14.5 it turns over just fine.

So, I thought 12.7x volts should be enough to turn this over, do I need a higher voltage battery or will this ruin my other electronics?

The compression of the engine is around 9.8-10:1 and I thought a stocl Delco_Remy should handle this ok..

Any advice?

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Old 10-15-2003, 07:08 PM
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Load test the battery. Any battery can have a bad cell whether it's 4 months or 4 yrs old.


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Old 10-15-2003, 07:16 PM
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Judging by your handle, you have a454..... Big block Chevs are nitorious for starter problems, especially if you are using headers. The heat really effects the starter.
Another thing is, that you may have the engine too far advanced. Turn the timing back a touch and see if it wil start.
On my 70 LS6 Chevelle (11.1 compression), I used to have a switch on the coil. I would switch it off, get the engine cranking, hit the switch to give the coil power and it would start.
You can also buy a hi-output starter, which will crank over anything.
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Old 10-15-2003, 07:28 PM
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You could do like poncho suggested and try playing with the timing. If it is a problem related to high compression chevy big blocks you may have to work out some things. Aside from load testing the battery with an actual load tester to rule it out you could disconnect the coil and crank her over with a voltmeter on the battery. While cranking the battery should stay above 9.8 volts approx. You could also try switching to the highest CCA rated battery you can fit in her.


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Old 10-15-2003, 09:27 PM
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another thing to look into is your grounds, My sbc ate up 8 starters before I solved the problem. I added a 4 guage wire from the frame to the block, from the block to the battery, the battery to the fender, and another 10 gauge wire from the frame to the firewall, from the fire wall to the intake. this solved all my electrical problems, the lights don`t go dim at idle anymore, the voltage gauge don`t dance around anymore, and I haven`t ate anymore starters, one of the header tubes rest on my starter and I have no heat sheild, winter or summer, still fires up easily.
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Old 10-15-2003, 09:36 PM
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Well, I had the battery tested, and it checked out OK on all accounts...

The starter works great when enough juice is supplied to it, leading me to think that the issue is with the compression and difficulty of turning over the engine..

Is this true:
If the battery has 14.00 volts when I turn the engine over, then the starter will work harder, as it is being supplied more power?

If that is true, it would seem to indicate that the compression or difficulty of turning the engine over seems to be the problem area..

Also,
If I were to get a "high-torque" starter, should that turn this engine over, with the standard 12.7 volts fine?

I am going to get a heat shield for the starter, but thats not the problem with this issue...

Thanks for all the suggestions and help
-Paul
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Old 10-25-2003, 05:10 PM
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The timing was too advanced, turned it back a bit, and it fires up just fine now. thanks guys!


_Paul
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