port your throttle body yourself
but i would like to also do the throttle shaft mod,
I am not realy sure how to do it,
can some one help me out , or give me a link to DIY porting the Stock LS1 throttle body
thank you for your help
and so you dont touch the back of the throttle shaft at all, mine has been grinded down in the areas around and between the blade screws, the front and the rear of the throttle shaft
thats not a how to, but has some pictures of how most people do it
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