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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-14-2013, 11:32 AM   #1
booger78z28
 
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Drives: 2011 LS Camaro
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Voltage problems..

Modded 2010 2SS LS3, cam, headers, UD pulley and tune....

car has only 34k and when its warm the thing is really hard to start, volts go down to 7 or so , it hardly turns over ...had the crankshaft sensor changed out cuz it went out, had it relearned, still had voltage problems, so i bought a brand new battery thinking this would help...went out today , started great cold , got it warm and to restart, and it wouldnt even turn over, hooked it up and it said at starting it was only reading 7,..

he said i need to put another ground on the battery and run it up to the block, would this help, or do i need to look in a different direction?

im going to check all the connections on the battery, starter and the ground to make sure nothing is loose,...

has anybody else ran into this problem and what did you do to fix it?
thanks in advance ..
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Old 02-14-2013, 11:50 AM   #2
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It is most likely being caused by your underdrive pulley. They can cause charging problems but idk as far as putting a new battery in and that not fixing it.
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Old 02-14-2013, 12:48 PM   #3
Badbubba
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Wild guess, starter. Is the starter heat shield still installed? Maybe be getting heat from your headers and causing starter issues. If the starter is not or is barely turning, it will draw a large amount of current from your battery. If so, the battery will not be able to maintain 12 volts due to the excessive load. You could park on a hill and try to catch it since it's a stick. Do it cold and then hot to see if there is a major difference. Not sure if it's a good idea on this car though.

Also, try using a battery jump pack or the start assist from a battery charger.
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Old 02-14-2013, 02:20 PM   #4
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yep,. car has headers and a heat sheild around starter and she has only stock electronics..(no amp, etc..)
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