Quote:
Originally Posted by EVOHUNTER
Pro4jackster hit it dead on, Replace the impeller and pulleys before even installing, injectors are a great idea too. I replaced the BPV and upgraded the air to water intercooler, 150$, great mod.
|
I would only replace the pulleys, OR the impeller. Unless you have a built motor. I hit 15+ psi at 6700 rpms with cog pulleys and Si impeller. The belt started slipping and it held 15 psi to 7700 rpms.