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Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 09-07-2007, 01:06 AM   #1
caseball2051
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Default advantages to porting supercharger?

i can do it for free, but i havent talked to him about hte topic, he doenst like me doing stuff to my car.

but, if i ported it, and got bigger TB, how would i benefit? power wise and tq wise.
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Old 09-07-2007, 01:15 AM   #2
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(moved to Forced Induction)

Who is "he"??

Porting and polishing the supercharger will lower your outlet temps thereby reducing any KR and possibly allowing you to drop pulley sizes without increasing KR. I believe some members were able to drop .2" after some P&P work. As always, whenever modding be sure you SCAN your car for KR to make sure you're not getting any. By the way, your supercharger inlet is the point of greatest heat gain and will benefit the most from the P&P.

Please do your research before you risk butchering your supercharger though. It'* also a good idea to replace your needle bearings afterwards too.
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Old 09-07-2007, 09:16 AM   #3
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The primary reason for a pulley drop on the Series 1 L67 isn't from the SC porting, it'* from the LIM porting. And the S2 LIM doesn't have much to gain. It'* pretty well matched already.

Whoever 'he' is should have already had experience and knowledge in what to port and how on an Eaton supercharger. And you need to start with a spare SC. Not the one on the car.
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Old 09-07-2007, 11:45 AM   #4
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the he is my father. sorry. i thought i mentioned that. oops.

so its more trouble than its worth.
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Old 09-07-2007, 11:51 AM   #5
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Didn't say that.

How experienced is he in porting superchargers and replacing the bearings?
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Old 09-07-2007, 11:52 AM   #6
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hes ported before.

not sure on superchargers though
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Old 09-10-2007, 09:50 PM   #7
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Do you have a press available? You'll need them to seat the bearings.
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Old 09-11-2007, 09:40 AM   #8
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Quote:
Originally Posted by dillcc
Do you have a press available? You'll need them to seat the bearings.
Only if you change them. If they are good and you cover them with tape etc. Then it can be done w/o changing the bearings. I would suggest changing them while you are there, however it is possible to do it without.
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