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I have spoke with a company that makes modular pulley systems for Grand Prix's, Regal GS's, Monte Carlo SS's, Impala SS's, Harley Davidson F-150's Cobra's, and Lightning's. Modular pulley systems, for those that don't know are awesome. You can easily change pulley sizes as the mod levels increases.
They said they would definately build them if there is interest. My kit for my GTP was $149.95 shipped and did not matter what pulley size was chosen. They do all the RD..which isn't much and usually state how much boost is added per pulley size dropped. On a stock Grand Prix going from a stock pulley (3.8") 8 psi, to a 3.5" pulley adds about 3 more psi. This is non-intercooled!
On my GTP I run a 2.7" pulley! With my mods I see about 12 psi of intercooled boost.
If you are interested in this kit please reply and forward this to any RL owner you know. Thanks.
They said they would definately build them if there is interest. My kit for my GTP was $149.95 shipped and did not matter what pulley size was chosen. They do all the RD..which isn't much and usually state how much boost is added per pulley size dropped. On a stock Grand Prix going from a stock pulley (3.8") 8 psi, to a 3.5" pulley adds about 3 more psi. This is non-intercooled!
On my GTP I run a 2.7" pulley! With my mods I see about 12 psi of intercooled boost.
If you are interested in this kit please reply and forward this to any RL owner you know. Thanks.