garygbnj Posted March 29, 2015 Share Posted March 29, 2015 Getting a stage I tune. Depending on the tuner can generate as much as 60 hp increase (much increased psi in 1,2,3rd gear. How much increase in hp can the trans safely take? Transmissions are expensive to rebuild. Gary NJ Link to comment Share on other sites More sharing options...
ras06LGT Posted March 30, 2015 Share Posted March 30, 2015 You're fine. The trans won't become an issue until you are way above Stage 1 levels and making north of 320-350 whp. Link to comment Share on other sites More sharing options...
Max Capacity Posted March 30, 2015 Share Posted March 30, 2015 Granted you have a 6mt but it's not the same as the real 6mt in the STI's and lesser Spec B's. I do agree you'll be fine till you get ^ like he said. The clutch is next thing you'll have to worry about. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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