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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM

3.6 owners only!!!!!!!!!!

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Old 01-31-2014, 08:30 AM
  #41  
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1. 3.73 - automatic JKU
2. 35x12.5x15 BFG KM2
3. 2100
4. ProCal
5. could be better going up hills but I live in a flat area
6. With the auto you can load up the torque converter so no power problems off road.
7. Doubt I would change it. I drive between dallas and houston a lot which is fairly flat and the speed limit is 75mph so I pretty much have to go 80mph to stay with the flow of traffic. I have thought about going to 4.56 but I think it will kill my highway milage too much and not give me enough of a boost in the city or off road to make it worth the price.
Old 01-31-2014, 08:34 AM
  #42  
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Originally Posted by WINGIT
This is yet another gearing thread. But I think I want something different. I want info on your rig. Even if you are still running stock gears and tires I want to hear from you. If you have upgraded I want to hear from you also. This is what I am looking for....... 1 - What gear ratio are you running? 2 - What tire size & Brand are you running? 3 - At 70 mph what RPM is your engine turning? 4 - Are you using the AEV PROCAL or Superchips Flashpaq? 5 - On the road what is your opinion of the performance? 6 - Off road what is your opinion of the performance? 7 - If your fairy god mother came to you and said you will get any tire/gear package you want would you change and to what?
1. 3.73s (auto) in my 2013 rubicon
2. 35" nitto mud grapplers
3. Approx 2000 rpm
4. Superchips Flashpaq - 91 Perf Tune
5. Pretty damn good actually
6. Decent.
7. 4.88s or 5.13s with 37" TOYOs, Duratracs, BFGs or Trail Graps. The mud Graps are simply too damn loud on pavement hahaha



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Old 01-31-2014, 08:58 AM
  #43  
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Originally Posted by WINGIT
This is yet another gearing thread. But I think I want something different. I want info on your rig. Even if you are still running stock gears and tires I want to hear from you. If you have upgraded I want to hear from you also. This is what I am looking for.......

1 - What gear ratio are you running?

2 - What tire size & Brand are you running?

3 - At 70 mph what RPM is your engine turning?

4 - Are you using the AEV PROCAL or Superchips Flashpaq?

5 - On the road what is your opinion of the performance?

6 - Off road what is your opinion of the performance?

7 - If your fairy god mother came to you and said you will get any tire/gear package you want would you change and to what?
1: 4.10/5 speed auto trans

2: BFG KM 255/75/17 stockers with 26,000 miles on them

3: About 2600-2700 ish, I think. I know at 80 its about 3000 RPM ish

4: No update to programming. I have a Bully Dog but not using it to change tire/gear ratio settings yet.

5: I think it rocks....way way way better then my 04 Rubi TJ with 35's and 5.13s/5 speed manual.

6: Rocks off road too!

7: Honestly as much as I want 37's or 40's.......with 1.75 inch Daystar BB and stock tires I'm happy. Some 33's(255/80/17s probably) will make it better without killing my bank account. My TJ was cromoly everthing, CTM's, 35s, big brake kit, AEV highline, 5.13s, wheels, blah blah blah.....As a daily driver it got really old. I want to keep my JK sleeper stockish. HTH
Old 02-05-2014, 02:21 PM
  #44  
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2013 JKU Rubicon, MT

Originally Posted by WINGIT

1 - What gear ratio are you running? - Stock 4.10

2 - What tire size & Brand are you running? - Stock 32", BFG Mud-Terrain T/A LT255/75R17

3 - At 70 mph what RPM is your engine turning? - ~2500, I can see just touch of the green bar to the right of the needle

4 - Are you using the AEV PROCAL or Superchips Flashpaq? - NO

5 - On the road what is your opinion of the performance? - it is what it is, my other DD is a modded MINI Copper S so...

6 - Off road what is your opinion of the performance? - see No. 5

7 - If your fairy god mother came to you and said you will get any tire/gear package you want would you change and to what? - 35" & 4.88
Old 02-05-2014, 02:44 PM
  #45  
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1. Stock 3.73
2. 35" Toyo MT
3. 2500ish
4. Procal
5. Great on flat roads, downshifts on uphills
6. No complaints at all
7. 4.56s and keep my Toyos
Old 02-07-2014, 07:52 AM
  #46  
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Originally Posted by WINGIT
This is yet another gearing thread. But I think I want something different. I want info on your rig. Even if you are still running stock gears and tires I want to hear from you. If you have upgraded I want to hear from you also. This is what I am looking for....... 1 - What gear ratio are you running? 2 - What tire size & Brand are you running? 3 - At 70 mph what RPM is your engine turning? 4 - Are you using the AEV PROCAL or Superchips Flashpaq? 5 - On the road what is your opinion of the performance? 6 - Off road what is your opinion of the performance? 7 - If your fairy god mother came to you and said you will get any tire/gear package you want would you change and to what?
1 - 4.88, manual 6 speed
2 - 35x12.5/r17 Goodyear MT/R
3 - about 2500rpm @ 100Kp/h
4 - aev procal
5 - like a dream. Not sure if jeep or sports car haha.. Love it
6 - combined with the teraflex 3" prerunner kit it's unbeatable, my 2 door eats my mates 4 door for breakfast.
7 - my fairy god-mother appeared to me in the form of AUD$14739.40 from a mystery bet I placed on a horse race. I'm already driving my dream jeep. Next step is a supercharger
Old 02-07-2014, 01:16 PM
  #47  
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Originally Posted by WA-1922
1 - 4.88, manual 6 speed
2 - 35x12.5/r17 Goodyear MT/R
3 - about 2500rpm @ 100Kp/h
4 - aev procal
5 - like a dream. Not sure if jeep or sports car haha.. Love it
6 - combined with the teraflex 3" prerunner kit it's unbeatable, my 2 door eats my mates 4 door for breakfast.
7 - my fairy god-mother appeared to me in the form of AUD$14739.40 from a mystery bet I placed on a horse race. I'm already driving my dream jeep. Next step is a supercharger
What size did you enter into your Procal to get the speedometer to be accurate?

I have the MTRK's in 37/12.5/17 and I finally got it by going down to 35" on the Procal tire size setting.

matthew
Old 02-07-2014, 03:55 PM
  #48  
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Originally Posted by Matthewd5

What size did you enter into your Procal to get the speedometer to be accurate?

I have the MTRK's in 37/12.5/17 and I finally got it by going down to 35" on the Procal tire size setting.

matthew
Are you still messing with that ?
Old 02-08-2014, 03:25 AM
  #49  
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Originally Posted by Rebar-7
Are you still messing with that ?
yes. 35" for the tire size is a perfect match as far as getting the speedometer and GPS to be exactly matching each other.

matthew
Old 02-08-2014, 05:11 AM
  #50  
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3.6L? NO thank you. Hate spending time in the service department. It's either a 3.8 or LS


Quick Reply: 3.6 owners only!!!!!!!!!!



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