I have a question about the pulley upgrade. If I upgrade to a 3.7 pulley kit is there anything that I have to watch out for like over boosting etc...........
Printable View
I have a question about the pulley upgrade. If I upgrade to a 3.7 pulley kit is there anything that I have to watch out for like over boosting etc...........
well, you dont really have that chance of overboosting with a S/C all depends on exhaust restrictions and crank pulley size.
as long as your tuned for it.. you should be ok.
it should be ok....there have been a few cases of the shaft snapping due to smaller pullies.
and the more it spins the hotter it gets. i would def get it tuned asap though
I built one for a k20a2 running a 2.6 inch pulley.. Its running fine. Even went through 10 hours of dyno and street tuning. LOL
The SC speed is limited by engine speed, and with a 3.7" pulley you're within the safe zone. If you have the entire stock exhaust (including the cat) I have a feeling you'll exceed the stock MAP sensor's range (10.5psi I think), but if you have a race header or test pipe it should flow enough to keep the pressure down.Quote:
Originally Posted by riceboy075
Like thisisagame24 said, heat will be an issue. Get it dyno tuned ASAP.
Different crank pulley size.Quote:
Originally Posted by 02EP3SI
I know its a different crank pulley size.. But if you knew how much boost was made on an a2 with a 2.6 inch pulley then you would see what i was getting at with blower RPM and shaft breakage. Im running 13-15 psi with h2o/meth injection on an a2 and blower is fine:meek:Quote:
Originally Posted by 4angrybadgers
tighten the belt check everyday