edelbrock thunder series vacuum help
06-16-2008, 08:55 PM
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Car: 91 Camaro LS1
Engine: LS1
Transmission: T56
Axle/Gears: 9" 4.11
edelbrock thunder series vacuum help
ive got my car running but there was a whistling noise and i forgot about the vacuum port on te back of the carb so i plugged it with my finger to make sure that was it and it was. when i plugged it it killed the motor. what is that vacuum port for and where is it supposed to be hooked to?
06-17-2008, 06:11 AM
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Car: 91 Camaro LS1
Engine: LS1
Transmission: T56
Axle/Gears: 9" 4.11
Re: edelbrock thunder series vacuum help
ya i ewnt off the intake manifold to a vac reserve canister to the booster.
06-17-2008, 12:47 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Factory carb set-ups had the brake booster vacuum going to the carb base.
If you've got all of your vacuum needs covered (PCV?), then plug it. If it ran with it open and died with it blocked, then you've got some tuning to do.
If you've got all of your vacuum needs covered (PCV?), then plug it. If it ran with it open and died with it blocked, then you've got some tuning to do.
06-17-2008, 01:39 PM
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Car: 91 Camaro LS1
Engine: LS1
Transmission: T56
Axle/Gears: 9" 4.11
Re: edelbrock thunder series vacuum help
ya i probably just need to tune it when its plugged lol duh. cause we had it idling with no chooke or nething then i was just overlooking making sure everything was good and i noticed that and plugged it and then it died.
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