Check again Superchips is a computer reprogram not a chip. On premium fuel it makes more torque then the 3.6. Still shy on the Hp. Funny you should say keeping up with the 3.6, without a reprogram the computer on the 3.6 will start shutting the fuel down at around 75 mph . Unless you have driven a properly reprogrammed and geared 3.8 you'll never know.
chip or reprogram,piggyback, stand alone.... they all do the same thing.
what you have is an OTS map (going off of your info)... nothing special. i HAD an 07 jk 6spd w/4.10's with an mbrp exhaust, ripp long tube headers and a CUSTOM (as custom as you get with the jk ecu) tune and my 2012 blows it away hands down. funny you say the 2012 hits fuel cut at 75mph when i just hit 90mph (yes i was speeding and no its not safe). when i recently drove to west texas where the speeds are 80mph the 3.6 had no problem doing 90+ for long periods of time. furthermore, my 2012 trapped in the upper 80's at the track and my 07 trapped upper 70's, very low 80's with the aforementioned mods. huge difference! you can compare dyno numbers all day long but a true test in a vehicles acceleration ability is at the drag strip. actual real world performance numbers dont lie....all you need to look at is the trap speed of a given vehicle, it will tell you how much power a vehicle is making.
your superchip flashpaq (assuming this is what you have) has been to tested to bring the jeep to 60 mph from a standstill about 1 second faster. taking into account that a stock 07-11 jk, depending on gearing, does 0-60mph from 9ish to 10+ seconds to 60mph. now,a bone stock 2012 has 0-60mph ranges from low 6's to mid 7's seconds. (my 1/4 mile times back that up)
are you telling me thats not a significant difference?
the reason how i can be so sure is that my very good friend has a 2010 jk with superchips flashpaq and borla exhaust and stock tires, no lift and 4.10's and he cant even keep up. from a stoplight, from a 60mph punch....it doesnt matter,he is nowhere to be found. we even switched vehicles and the results were the same.
If you think the superchips gave you 30wtq peak gain.....well, i have a bridge for sale. the 3.6 makes significantly more torque just off idle than then 3.8. however, if it really does give the 30tq gain like you said and they say, you are not comparing to the 3.6 tq numbers at the same rpm, youre comparing it to peak numbers which is wrong. you cant compare a peak number from one motor to a specific number under the curve from a completely different motor.
Of all the dynos ive seen of the superchip flashpaq, the biggest peak gain ive seen is 10-15tq and less for hp. I have yet to see a publicly posted dyno graph directly from superchips, comparing stock to stock plus flashpaq. Not saying its not out there but i havent seen it and they dont have it on their site. they just list a 21hp gain and a 30tq gain, with nothing supporting those claims. if i remember correctly ripp mods had a 20whp and 20-30wtq gain with a diablo tuner and ripps own longtube headers....which only proves that an ecu reflash alone isnt getting you what you think it is. playing dyno wars of course.
i have a almost 400whp subaru now and it barely gained a peak 30wtq with just a reflash from programer and its force fed. now when i threw on a bigger turbo and other mods and added an e85 custom map is when i saw my biggest gains but you can thank the corn fuel for that.