Couple of questions about mods
12-08-2010, 06:23 PM
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Couple of questions about mods Alright guys, on my '98 z28, i've done a couple free mods. I did the free ram air, and cut the egr out of my intake where it was behind the TB. The only other free mod i am planning on is port/polish TB. Others i considered are TB coolant bypass, and smooth bellow (even tho its not really free), EGR!, and AIR!. I've researched really hard the past couple days, and it seems EGR!, AIR!, TB coolant bypass, and bellow get more bad reviews than good, it seems that port/polish TB is the only one worth doing as far as performance. Are bellow, EGR!, and AIR! really only for looks? I apologize if this is a repeated thread or something, and i don't want to start a big debate. I really just want some opinions from you guys, b/c you know what you're talking about!!! Thanks fellow LS1 owners! 
12-09-2010, 08:18 AM
#5
Just becareful on the TB to not cut the back of the bar in which the throttle blade attatches to it, more then one person cut too much and sent a bolt into their intake.
Just smoothing it out, bevelling the blade and getting the transition smooth is the important thing.
Just smoothing it out, bevelling the blade and getting the transition smooth is the important thing.
12-09-2010, 03:58 PM
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Alright thank you! Can somebody post a link to a how to of porting/polishing your TB? I was gonna have a buddy do it whose done a couple he says, but i'd rather learn an do it myself.
