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Old 10-10-2008, 01:54 PM   #1
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somethings wrong

just got all my stuff on my car and ready to turn on i just installed a bbk foir my jrsc and when i turned it it jumped to 2 rpms and made a loud squeal and just died and it does it everytime ive been looking over the car but i cant see any problems. can anyone think of what it could be?


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Old 10-10-2008, 04:00 PM   #2
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any clue where the squeal came from? If I am remembering correctly that a JRSC is a Screw-type supercharger. I've heard of this before of the Lightning forums... Is there oil in the supercharger? Take off the drivebelt and try turning it by hand. should be a smooth roll with minor resistance if any
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foci's came without rear brakes? i guess mine is special with its drums
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Old 10-10-2008, 04:05 PM   #3
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Did you just install the big boost upgrade or the whole supercharger kit?
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Old 10-10-2008, 04:15 PM   #4
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i just installed it. im thinkin has something to do with the maf to now because if i remove the airbox hose from the throttle body and start it it dosnt die it idles high and funnny and still squeals LOUD like a balloon letting air out. but if its connected it just poops up to 2 rpm and dies.
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Old 10-10-2008, 04:51 PM   #5
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I have done the same before. I actually ran my Lightning for a mile w/o the MAF plugged in. It ran ok, but I knew there was something wrong. Did you get a new MAF for the S/C? Also, I can't imagine where else the squealing is coming from besides the drive belt. Your drive belt might not be aligned properly. Try find Sporadic's thread on his turbo build. He had a similar situation when he started up his car. I think he unplugged the IAC (Idle Air Controller) started the car, it will run rough but will eventually find itself. adjust the throttle screw back to a normal idle speed then plugged it back in. I think that is how it went. Give it a try, also might want to scroll through Sporadics thread just to make sure I am right!!
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foci's came without rear brakes? i guess mine is special with its drums
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Old 10-10-2008, 06:18 PM   #6
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the squeel was more than likely the belt. the dying is more than likely a vacuum leak since the rpm's jumped like that.
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Old 10-10-2008, 06:48 PM   #7
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^^^^ I agree with that
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foci's came without rear brakes? i guess mine is special with its drums
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Old 10-10-2008, 07:00 PM   #8
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ok squeal was coming from inside the s/c i took off the belt and wqhen i rotated the s/c pulley it would stick and be rough but then i took off the s/c and it rotated perfect. there is some oil in the intake manifold so might be a problem there i dont know where there would be a vacume leak i checked everything.it runs really crapy when i put the old maf in but still squeals and the engine bogs alot.
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Old 10-10-2008, 08:20 PM   #9
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Word of advice, change your spark plugs!! I can't remember what I had mine gapped to but it was a much smaller gap than the stock gap. I stuck with the stock plugs, they're perfect! If you haven't changed them by now, then you should look into changing them soon! When I had my JRSC put on, I didn't change my stock plugs and the car surged/bogged a lot and it was bad! About the squeal, I have no idea? Upgrade your motor mounts as well!! Any hard turns on those stock mounts, expect to find metal shreds from the bbk pulley.
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Old 10-10-2008, 08:40 PM   #10
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i changed them when i put the jrsc on a couple months ago. so they should be ok but ill check.
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