Sound Performance Quick Spool Valve Results on Precision 6265 Billet!!!

From: Reid Dawson

Added: 16 years ago · 2:25 · 480p

694whp and 691wtq @ 31psi From 6psi to 15psi at 3600rpm 500rpm Spool increase!!! Actual Gains: 300whp @ 3700rpm 300wtq ...