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2006 chevy
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Norcal:

What pulley swap are you considering? Just the crank pulley, or crank as well as alternator?
 

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Discussion Starter #6
so greg the crank pulley for the tbss is the same gm part number as the crank pulley on the 4.8 5.3 and 6.0 trucks??

because it says this on the asp site
Year Engine Pulley Description Full Charge- Info- Nitride Hard CoatBlack Alum 99-04 4.8, 5.3, 6.0 25% Harmonic Dampner 800 RPM ASP549900
 

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NORCAL SS said:
so greg the crank pulley for the tbss is the same gm part number as the crank pulley on the 4.8 5.3 and 6.0 trucks??

because it says this on the asp site
Year Engine Pulley Description Full Charge- Info- Nitride Hard CoatBlack Alum 99-04 4.8, 5.3, 6.0 25% Harmonic Dampner 800 RPM ASP549900
hate messing with pulleys, especially on these newer vehicles with their monster electrical systems, how much gain to the wheels are we getting with this?
 

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Discussion Starter #9
im just changin the crank pulley. on many ls1s they are gettin 10-12 hp at wheels and on all my trucks i felt a difference.

i e mailed asp if you can run their other alternator pulley if you have a system but if you only go with a crank pulley you will be fine.
 
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