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Old 08-06-2006, 10:19 PM
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starter issues

i have a 1991 camaro rs that i pulled the tbi 305 out and 700r4. swapped for a carbed 350 and th350 tranny. it has 12 to 1 compression a 500lift 302 duration cam hydraulic. i put in new starter altenator and optima red cap battery. my problem is that starter sounds like it is draining the battery when i try to start it it shows abot 12.5 volts on the gauge before i try to start it up. when i hit the key it clicks and brings volt gauge way down. it will start fine when jump starting also acts like its charging after jump starting. any ideas would be greatly appreciated.

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Old 08-07-2006, 12:21 AM
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I just put a optima in my truck and needed to put it on the battery charger overnight to get the battery up to its full cranking amps.when jump starting you get all the amps of their alternator and their battery as well as your batteries amps.I also run full pipe headers and had to pull the starter and grease the bushing on the back of the new starter by the end of the first week.The heat baked the factory grease so the starter just didn't want to turn the engine over.A little molly grease cured that problem.
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Old 08-07-2006, 12:22 AM
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is it shimmed right

maybe its not align with the flywheel and its binding when cranking it over
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Old 08-07-2006, 12:41 AM
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Doc here,

First as always, we ASSUME you have checked the positive and negative cables for tightness, and cleaned them and the posts..and still have the problem.

Have the battery Load tested at auto zombie (free testing) for bad or low conditions..correct as needed..

While you are there have the starter tested. make sure it is not drawing a lot of current and producing little work (shot brushes, solenoid contact shoe)

If that is good, Check your ground buss system , make sure it is ALL grounded, and properly bonded, with star and lock washers..and the engine and frame and body are at the same potential...if you do not have it that way already then you will have to do this:

Run a properly gauged Ground cable from the battery to any handy bolt at or near the starter, From that same bolt get a Battery cable at the parts store, that has two 3/8 ring terminals on each end and attach it there and to the Frame.

Next get some 10 gauge wire and ring terminals and run that from your bolt on the block to the Firewall, and another to the Alternator bracket or mount bolt.

Next get some Wire Braid, (Radio Shack) and install braid from the radiator support to the frame, Fenderwells to frame , hood to firewall, Doors to door posts, gas flap to body, tailgate / Trunk to body.

At each point the wire is grounded, Burnish ALL the paint and grease off to bare metal. Use a proper star-washer and lock. Use sheetmetal or Tech screws where no screws are available.

It sounds like a lot of work, but after you assemble all the parts, it's only a few hours to do..and you'll end up with a system that will work reliably for many years to come..and can eliminate that from your troubleshooting list.

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Old 08-07-2006, 01:06 AM
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going to charge battery and ground eveything you said doc tommorow to see if that helps. thanks for the help will let you know tommorow what happens
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