bugo Posted June 21, 2008 Share Posted June 21, 2008 SO I'M THINKING ABOUT BUYING A IS300 AND WANT TO KNOW HOW MUCH HP CAN A STOCK AUTO TRANS TAKE WITHOUT SACRIFICING RELIABILITY? Quote Link to comment Share on other sites More sharing options...
bartkat Posted June 21, 2008 Share Posted June 21, 2008 How much horsepower do you have? And please don't type in all caps. Quote Link to comment Share on other sites More sharing options...
bugo Posted June 21, 2008 Author Share Posted June 21, 2008 i don't have one yet just wanted to know if the auto can take alot of hp Quote Link to comment Share on other sites More sharing options...
bugo Posted June 29, 2008 Author Share Posted June 29, 2008 still no answer well all i found on here was moded tranies at like 400 hp and i was wondering if it was left stock until that point Quote Link to comment Share on other sites More sharing options...
smooth1 Posted July 1, 2008 Share Posted July 1, 2008 Stock auto trans will hold about 350-400 hp, and a manual will hold around 275-325 hp. On the auto, if you add more than I would say 75 ish hp, then you should atleast do a valvebody upgrade. Quote Link to comment Share on other sites More sharing options...
bugo Posted July 3, 2008 Author Share Posted July 3, 2008 thanks for the help its greatly appreciated :D Quote Link to comment Share on other sites More sharing options...
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