View Single Post
      04-03-2013, 01:10 PM   #11
Major General

Drives: 2016 BMW i8
Join Date: Dec 2006
Location: Monarch Beach

iTrader: (1)

Garage List
Originally Posted by Chriskm3 View Post
My p3 vent gauge showing 6.8 psi on a 540 vf kit with 508 whp. ESS 620 kit runs less psi with a smaller pulley? Hmm. Something is off them. Either my gauge or your gauge is not registering correctly. I also was under the impression that pulley size controls running speed of the blower which reflects on boost pressure
It's a good question/comment and either the EAS boost measurement is incorrect or my car is an anomoly.

Funny thing is that their boost measurements appears to be correct for every other 625 kit they have dyno'd and measured boost for. You can see the boost graph above...actually not even 6psi...maybe 5.5 to 5.75 before it spikes up when the throttle is closed.

I wish I had a good answer.
Daily: 2016 i8 Chrystal White w/BMW iBlue / Terra World
Airstrip: 2015 991 Turbo S / FBO meth upgraded turbos
Track: 2015 991 GT3 / GT Silver, carbon bucket seats, steel brakes, red accents
Beaterz: 2013 X5 3.5 Sport, 2015 Wrangler Unlimited
IG: longboarder949; YouTube: