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Message: <blockquote data-quote="Darkcrime" data-source="post: 353400" data-attributes="member: 9033">no clue about your tranny, but to shed some light for ya....My mods:Full PI Swap with Ported heads.H Pipe w FlowsUDP'sCAIDiablosport TunerI am an auto as well, and my trans has been on it's "last legs" since I bought the thing two years ago. My Dyno: 244.43RWHP 281.88RWTQ.The reason why you are going to have more HP than a stock 99-04 GT is because of the higher compression. Since you have an auto, figure (lets say) 23% max drivetrain loss which is 200RWHP, you being around 211 isn't too bad. The BIGGEST thing I noticed about getting the PI Swap done is getting the H Pipe put in. We already know that's the biggest bottleneck with our exhaust system. Now that you have the PI Swap you need to get a H Pipe put in. Besides sound, I noticed a difference.And yes, you are going to hear people tell you a PI Swap gives you 40rwhp, or 60rwhp, or I've even heard 100rwhp. Everyone talks sh*t. Go off of what you know. If someone says your numbers are low, you may want to look into it and see the facts (See the differences between the dyno runs).For example, when I got my dyno tune done, the temp was 66.6 deg with a Humidity of 15% (not sure of elevation, but that does matter as well)If the humidity and temp were higher, I would have pulled crappier numbers obviously. Of course, the people making the higher dyno numbers have manual's (which have less of a drivetrain loss).Check into those numbers, look at the facts.I forgot who it was that was 17 and been working on cars since they were 7... but what kinda work did you do at age 7, 8, 9, 10??? Head work? Porting? Oil Changes? Just curious.</blockquote>