TB port & Polish
07-04-2013, 08:27 AM
#1
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Join Date: Apr 2008
Location: North Idaho
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TB port & Polish
Hey Guys...I just had my GT500 TB port & polished by Stiegemeier...he did a great job...before and after pics...should flow a lot better!
Last edited by Lifter583; 07-04-2013 at 08:43 AM.
07-04-2013, 09:09 AM
#3
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07-04-2013, 09:44 PM
#4
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Location: North Carolina
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It's not a huge difference on a stock blower, maybe 7-8 hp.... 10 at the absolute most. Once the blower is upgraded though, the stock TB is a pretty big restriction. Then it can be worth 20-25 hp.
07-05-2013, 07:24 AM
#5
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Join Date: Apr 2008
Location: North Idaho
Posts: 1,440
Running a hair over 14 lbs on the gauge before...looks like I gained about .5 lbs...Steve's thoughts are correct...let the tweeking continue LOL...have a polished plenum in place also...
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