Quote:
Originally Posted by RyanWest
Im running Z1 tubes with stock air boxes. Im wondering if any one can do a DIY on porting these????
7-10WHP gains seem legit to me  |
Quote:
Originally Posted by Megan370z
gain of 7-9whp was reported twice on a fully custom/bolt-on setup.
the TB were bored to 62.5mm,
the butterfly plate was arrow edged
half of the shaft was cut (only 1 side remained)
both screw were filed down.
you will need a bigger MAF Tube if you do this. not sure about stillen diameter. my cai was custom.
|
It's not going to be 7-10whp on the setup you've got. Megan had a lot more done to the intake tract, and it needs to be tuned for the larger diameter MAF. Also, if you mess up a throttle body trying to DIY a port and polish job, expect to get fisted. Those things are not cheap.