LSA supercharger on a 2005 RST truck write-up
#11
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
#12
i added this to the original post but here is the chart i used weapon X motorsports ? LSA Available Pulley Combos and Supporting Mods Needed
and the calculator i used
928 Motorsports® Services - Supercharger and Pulley Frequently Asked Questions
Crank Pulley Diameter:
7.72
Blower Pulley Diameter:
2.75
Internal Step Up Ratio:
1.0
Max Engine RPM:
6700
Click this button to calculate the Impeller RPM Calculate
Impeller RPM:
18809
and the calculator i used
928 Motorsports® Services - Supercharger and Pulley Frequently Asked Questions
Crank Pulley Diameter:
7.72
Blower Pulley Diameter:
2.75
Internal Step Up Ratio:
1.0
Max Engine RPM:
6700
Click this button to calculate the Impeller RPM Calculate
Impeller RPM:
18809
#13
Joined: Jan 2006
Posts: 16,282
Likes: 438
From: Huntsville, AL
Or to take away the mystery,
Blower RPM = (Crank_dia/Blower_dia)*Engine_Rpm
Did you actually measure 10psi or is that what you predict based on the pulleys? My math says 15-16psi on a 4.8L engine...
Blower RPM = (Crank_dia/Blower_dia)*Engine_Rpm
Did you actually measure 10psi or is that what you predict based on the pulleys? My math says 15-16psi on a 4.8L engine...
#14
#20
Lol







