Friday25 Posted June 22, 2010 Report Share Posted June 22, 2010 anyone know off hand what size belt i would need for a mp112 setup w/a 2.9" pulley and dual 100mm idlers? Quote Link to comment Share on other sites More sharing options...
tx tahoe z71 Posted July 29, 2010 Report Share Posted July 29, 2010 Pulley size -Belt Size -Boost psi.(apx.) - Goodyear# - Gates# 2.75" Pulley = 111.0 " Belt = 9 to 10 psi. - P/N=4061110 - P/N=K061110 2.8" Pulley = 111.0 " Belt = 8.5 to 9 psi - P/N=4061110 - P/N=K061110 2.9" Pulley = 111.5 " Belt = 7.5 to 8 psi. - P/N=4061115 - P/N=K061115 3.0" Pulley = 111.5 " Belt = 7.0-7.5 psi. - P/N=4061115 - P/N=K061115 3.1" Pulley = 112.0 " Belt = ---6--- psi. - P/N=4061120 - P/N=K061120 3.3" Pulley = 112.0 " Belt = 5 to 6.5 psi. - P/N = 4061120 - P/N=K061120 The boost reference numbers are for a 6.0. Quote Link to comment Share on other sites More sharing options...
RembaSS 1SG Posted August 31, 2010 Report Share Posted August 31, 2010 Would these belt sizes be similar for a Vortech T-Trim. I sized down from 2.7 to a 3.0 and may go to a 3.3" pulley. I am getting a godawful squealing noise driving anything under 2500 rpm. I think my belts are too tight. Quote Link to comment Share on other sites More sharing options...
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