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Old 02-19-2020, 08:33 PM   #3
Markoz28

 
Drives: 18 ZL1 nightfall grey A10
Join Date: Apr 2018
Location: RGV Texas
Posts: 1,527
Quote:
Originally Posted by jmackisback View Post
Good evening.
I was wondering if someone could simply give me the lower pulley part numbers for 15%, 18% and 21.5% OD (and their accompanying manufacturers). I am about to do some modding with a dual nozzle meth set up and I cannot get a clear answer as to who makes the 18% OD lower pulley.

On a side note, what would a 18% and 21.5% OD pulley spin the stock blower at? Not looking to go much, if any, beyond the max efficiency.

Please keep in mind the car has intake, ported TB, headers and dual nozzle meth set up.

Thanks kindly in advance.
Im not sure on the RPM's but since you are running meth, may just want to go up to an 18% which is like a 9.55" lower pulley. You could also do 9.1 lower and 2.3 upper which I think would net you about 21%. Would be a good idea to port the SC with either Kong, Jokerz, Or Modern Airflow Dynamics. You will be over 700whp with all of this and without touching a cam if that is not your desire. Also throw in 103TB or Soler 95mm with their adapter. Should be a killer!
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