[01 Mustang Gt]

how much boost is lost by a set of underdrive pulleys? im looking at a vortec but they say it has a 12lb pulley on it but if my underdriver pulleys back on what would = in psi of boost? does any one know about the lost

 

[stlwagon]

You'll lose a couple of pounds. Many will go with an overdrive crank on a supercharged app.

 

[01 Mustang Gt]

I want to get down to 8 or 9lbs.. Do you think ill be getting closer to what i want with the underdrive pulleys...

 

[stlwagon]

I want to get down to 8 or 9lbs.. Do you think ill be getting closer to what i want with the underdrive pulleys...

I'd guess you'd lose ~2 lbs.

 

[01 Mustang Gt]

ok thanks for the snappy info

Bob