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2007-2008 Harley-Davidson F-150 By "popular" demand... welcome to H-D owners with Saleen superchargers!

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Old 11-05-2011
08BluByU 08BluByU is offline
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Join Date: Oct 2011
Location: Austin
Posts: 5
Default Q: 2008 SC Pulley Size?

Hello. If I measure the SC pulley on my ride, the outer most diameter comes out to 3.5".

And from the speedlab.saleen site...

3.50" Pulley Series VI Supercharger
Part Number: 08-1607-C14539A
3.5" pulley for Saleen Series VI Supercharger, 9-10 psi of Boost.

Looks likes this is for the VI but will fit the 331 blower as well.

Does Saleen measure their pulley from the ID instead of the OD? If that's the case, I should be pushing more that 10PSI, yes? This is what I am trying to figure out.

Thanks for any input.
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Old 12-15-2011
07240SC331 07240SC331 is offline
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Join Date: Oct 2011
Location: pampa tx
Posts: 29

The stock pulley is 3.5 and makes about 4lbs of boost stock. Now what ive been told is that the 3.2 pulley will make between 6-7lbs and the 3.0 makes between 8-9 lbs. I'm not sure why, Im guessing just diffrences in the 4.6 and 5.4 blowers makes different boost levels with the same pulleys.
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Old 12-15-2011
Thunder Thunder is offline
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Join Date: Sep 2010
Location: San Jose, CA
Posts: 15

The S331 blower is the Series VI twin screw supercharger.
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Old 12-29-2011
mosaleen's Avatar
mosaleen mosaleen is offline
SOEC Member
Join Date: Dec 2007
Location: Joplin, Mo.
Posts: 762

check the diam. of the truck crank pulley and the mustang crank pulley.
Im sure this is the difference. The bigger the crank pulley the more boost it will make, the smaller the S/C pulley the more boost it makes. I have the 3.20 S/C pulley on my Saleen Mustang making 12 lbs boost I think the 3.20 make 9 lbs on S 331... Shane will know hes had both, 3.20 & 3.00
2005 S/C #10 Press Car w/ Scenic Roof
3.20 S/C Pulley & 18% overdrive Crank
Mosaleen S/C no slip idler system
3:73 gears, Watts link Gen II
14" front brakes, slotted rear rotors
Brenspeed 302, 47lb inj, longtubes/ catted H-pipe 570 rwhp 545 rwtq (SAE) 13.5 lbs boost, Afco heat exchanger
F-5 Joplin Mo. Tornado surviour 5-22-11.
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Old 12-29-2011
07240SC331 07240SC331 is offline
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Join Date: Oct 2011
Location: pampa tx
Posts: 29

I don't know if clay is on here, but I just bought a 3.2 pulley off of him and he said it will make 6-7 psi.
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