2012 JKU Auto 3.21 gears and 35s
01-02-2013, 11:34 PM
#21
JK Enthusiast
Join Date: Nov 2012
Location: Westminster, CA
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I was doing some research on sprint booster... and it's like a .3 sec difference lol, it's just an amplifier that sends a slightly higher voltage to the ECU, fooling our brains into thinking there is no delay... they delay is still there it just makes the ECU think you're pressing the gas further than you are... people have their opinions but I think it's snake oil the parts to make it is probably $25 they sell it for $300... I'd try it if it were cheaper but I just can't justify the cost. I'm also considering 35's on my 3.73... 33's would alleviate all the bull shit but then I'm not really getting what I want. I plan on re-gearing but don't know when...
01-02-2013, 11:48 PM
#22
JK Enthusiast
I've been running this setup in my 2012 auto for almost the past year. I used the AEV ProCal to calibrate for the larger tire and I think it runs like stock. I've never been at a loss for power.
Going up a steep grade, it Will occasionally be searching for the next gear in the higher rpms, but nothing major.
Going up a steep grade, it Will occasionally be searching for the next gear in the higher rpms, but nothing major.