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Re: changing pulleys
Well I have a DHP V1.0 and 180 degf tstat works without problems. I think they used 180 tstat when redoing the PCM programming. The smaller the pulley the cooler the engine intake system must be to prevent kr as much as possible. So before trying smaller pulleys make sure the car runs cooler and no SES is coming on. Keep in mind that a too cold engine would deteriorate faster so you have to strike a balance between the kr you getting the added PSI's you are pumping before running an engine that is too cool and not getting the performance gain you want. I have the OEM 3.8", installed a thrasher 3.4" and still have a 2.8" that I have not tested with the mods that I have so far until I get the SLP headers.
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