What kinda boost are you seeing with a #4 lb lower pulley..thks

 

i am using a 5# lower and a 3.25" upper with long tubes and a highflow cats and seeing 15#

 

Wazz up neighbor you got your motor built yet ....Im really going backwards on mine notta done to the motor yet got ever mod you can get.. now adding the bell got a good deal on it was told on my stock block better keep it around 12 lbs boost so my 4 lb might be ok if ur seeing 15lbs with a #5 think ill call them see what they say to be safe thks for the come back.

 

Built motor will be in by May 1...

 

I run a 6# lower and a 3.25 upper...seeing 16#s

 

wow was that on your stock block what was your A/F thanks for any info ill be putting mine on next weekend maybe gotta get a couple more things i want to add now....ill take any help or info what all you had to do to get the tune right.

Thanks Bob\

P.S. Saw a lightning with new built motor on dyno today when i left they where still working on the tune was up to 599 rwhp /717 rwtq i was like omg still had to hit it with the nos