Thread: Not this again.
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Old 07-10-2018, 11:11 AM   #1763
LS1ow
Power Member / trans break does not equal transbrake
 
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Quote:
Originally Posted by sweetbmxrider View Post
Are you sure the alternator isn't charging? Because the battery starts the car and sitting there with the key on to tune is depleting the reserve but if its not 20+ minutes to every 2 of running, I would lean that direction....You should see about 14.7 volts at a decent idle assuming you don't have yours set at 500 for all them chop chop PAH! Battery resting should settle at about 12.5 and while cranking, no less than 10 volts but closer to 10.5 and up is best.
Pulled alternator off same day anyway so didnt ever check. But took to 2 different autobones to run it on the testing bench and it failed at both locations. Coaxed them into testing a brand new alternator just to prove to me it wasn't a rigged machine for auto fails.

Quote:
Originally Posted by MDSheds_SS View Post
Can you run it off jumper cables to your truck just to see if voltage is definitely your problem?
Didnt run it off my truck, just left the jump box on the batt. Once we did so the car idled much better and started a hell of a lot easier. So i dont think the voltage issue is the problem, more of something that just had to be fixed.


Stock injectors were put in last night, alternator arrived today. Plan of attack is toss in tonight.
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99 Z28 - SBE LS1/60e
Motor - 10.84 @ 128 - 1.47 60'
Nitrous - 10.16 @ 132 - 1.40 60"
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