Portflow inner springs on stock setup - benefits?
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Joined: Mar 2003
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From: KNOW YOUR ROOTS, USA
ITR outer / portflow inners ??'s
what are the benefits of running ITR outter valve springs and portflow inner springs along with the tit. retainers on a stock set up ? some cams might be added in the near future , but i would like to know what i can expect from doing this for now . TIA 
Darth ModerVader
Joined: Jan 2001
Posts: 11,539
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From: Mustafar
Re: ITR outer / portflow inners ??'s (SPOONfdEK)
If anything, the additional valvetrain drag will actually very slightly decrease power (though probably not by any noticeable or measurable levels).
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champwhiteEG6
All Motor / Naturally Aspirated
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Sep 26, 2007 02:09 PM
