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Old 12-29-2011, 09:38 PM   #1
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Port and Polishing

I'm using the JLT CAI which is a 4in pipe from the air filter to mass air sen which then necks down to a 75mm pipe, I have a granatelli 75mm mass sensor I'm running with a 75mm throttle body and 75mm elbow adapter but my edelbrock performer 5.0 intake has a 70mm inlet opening will this hurt me at all?

Second question my edelbrock intake has the side plenum cover that can be removed , now I have a polishing kit I bought from summit racing awhile back and was thinking of polishing the whole inside and intake runners but before I start I wanna know if that'll be a waste of time and just leave it how it is, or go ahead and polish away?

Thanks for your helps guys
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Old 12-29-2011, 09:48 PM   #2
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If going to the smaller intake opening leaves a ridge or shelve then it will create turbulence in your incoming air flow.

Polishing your runners is a good idea.
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Old 12-30-2011, 12:44 AM   #3
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Re: Port and Polishing

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Originally Posted by dreamstang View Post
If going to the smaller intake opening leaves a ridge or shelve then it will create turbulence in your incoming air flow.

Polishing your runners is a good idea.
+1
Port out the opening and polish and smooth out any restrictions or casting flash or bumps.
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Old 01-04-2012, 02:35 PM   #4
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Intake inlet it's ported to 75mm and with elbow adapter on its as smooth as glass, no lip, now just have to polish the intake runners!!!
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Old 01-05-2012, 08:56 AM   #5
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Re: Port and Polishing

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Originally Posted by WhiteCobra94 View Post
Intake inlet it's ported to 75mm and with elbow adapter on its as smooth as glass, no lip, now just have to polish the intake runners!!!
Excellent! You're on your way to better flow and more power.
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