Originally Posted by
rkhess
I tq'ed yesterday at Reo raceway in IN, tight indoor track ...had a set screw back off
....stock shimed, p3,dyn086, 6.5 restrictor ...im also running the JLR flywheel ....
IMO the stock 8mm fixed venturi is choking the power band ....i am dead serious the motor had way more power with a 6.5mm ...
motor guru's whatcha think?.....i take video at PNB!
on a small track the 6.5 mm venturi would have more kick as it will have a crisper faster response off idle...a reduced creates a stronger signal across the spray bar at lower RPM, which results in a crisper more responsive feel, especially on a small tight track...... On a big track where it can open up the larger venturi works great...