With all of the talk about the benefits or lack thereof of this product, I thought I'd add my experience. I ordered a JET Stage 2 chip after receiving no response from MP about my "off road use only" proposal. I received it last week. I went to the track Saturday without it installed and made 6-7 runs, the best of which was a 15.78. Saturday afternoon I installed the chip, added a brass cap and performance rotor from Accel and flipped the air filter holddown assembly (the part that partially blocks the TB bores) upside down so that it is near the filter lid and out of the way (per suggestions from the list, Bruce I think). My Dakota has over 40,000 miles on it, so the cap and rotor were in need of replacement. I was hoping for at least .2 to .3 improvement in the 1/4 with the claims made by JET and the anticipated benefit from the other 2 changes. I raced again Sunday with nearly identical track and weather conditions. I had drived about 25 miles with the JET Saturday and about 50 miles to the track on Sunday morning. The vehicle went through serveral on/off cycles before reaching the track (at least 10). The computer was reset during JET installation (negative cable disconnected). What were the results?
I ran a best of 15.656. A gain of slightly over .1 Because I changed too many variables and because conditions are never EXACTLY the same day to day I can't definitively say the JET didn't offer some gain, but I would be hard pressed to believe it gives anything near what is claimed. In order to have done that my other changes would have to have hurt power which doesn't seem possible.
My opinion is that I wasted $200+ dollars. I will be attempting to get my money back. If that doesn't work, anybody interested in a very slightly used JET chip for $125 or so? I wouldn't be...................
Dave Rench
1997 2WD RC Dakota Sport 318 Auto 3.55
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