Procharger getting quieter

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02-02-2008, 07:32 PM

Optimus_Prime

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Procharger getting quieter

My D1SC has gotten quieter, is this normal or is it a sign something is wrong?

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02-02-2008, 08:49 PM

Screamin_Z

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how long have u had it?

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02-02-2008, 08:52 PM

Z06PSI

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You are getting used to it.... thats all.

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02-02-2008, 10:08 PM

kwiksilverz28

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Your hearing is going. :-)

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02-02-2008, 11:19 PM

dixonk

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You're just used to it. Well sounds like you need to step up to a F series now lol.

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02-03-2008, 07:35 AM

EPP

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An ATI ProCharger will get quieter as the straight cut gears get broken in, this normally occurs in 500 miles or so. Bob

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02-03-2008, 09:41 AM

BlkHwk

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I noticed when I was still on stock shortblock and 9spi my D1SC was pretty noisy @ idle. With my new engine combo the procharger is cranked up quite a bit higher it is considerably quieter @ idle.

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02-04-2008, 04:24 AM

EPP

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Quote:

Originally Posted by BlkHwk

I noticed when I was still on stock shortblock and 9spi my D1SC was pretty noisy @ idle. With my new engine combo the procharger is cranked up quite a bit higher it is considerably quieter @ idle.

It sounds like you have added just enough load to the blower at idle to where the gears stay meshed, eliminating the marbles in a jar sound. Bob

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02-04-2008, 06:20 AM

BlkHwk

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Quote:

Originally Posted by Exotic Performance Plus

It sounds like you have added just enough load to the blower at idle to where the gears stay meshed, eliminating the marbles in a jar sound. Bob

LOL yea that what I was tryin to say in a round about way.

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02-04-2008, 11:08 PM

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Optimus_Prime

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I'm glad to know that it's normal, I knew it wasnt my hearing since I used to be able to hear it idling when it was sitting in the garage.

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02-04-2008, 11:43 PM

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Screamin_Z

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IMO the only time u should worry about a S/C noise is when it gets louder lol

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02-05-2008, 12:02 AM

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Inspector12

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Yeah mine did get a lot quieter after I flushed out all the metal shavings out of the gear box. For and F1 it sounds like a P1 LOL!

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02-05-2008, 09:13 PM

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TWS

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How much quieter? Maybe your belt came off?

Seriously, that's interesting. My D-1SC whines like a tiny jet engine and it has about 9K miles on the head unit.

I have the lovely rattle at idle... I think because I have the "robust" original J bracket and the "awesome" 6-rib set up.

Usually good for some boost loss up top.

You can almost count on it.

If I lived closer to EPP, I'd probably just drop it off there and say "call me when you have done everything that ATI should have done originally".

8 rib conversion - check!
4.5" intercoolers - check!
ATI Superdamper - check!
crank pinning kit - check!

empty wallet - check!