First mod advice - JeepForum.com

 
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post #1 of 11 Old 06-15-2013, 04:14 PM Thread Starter
duane5157
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First mod advice

New 2013 Jk,6speed,3.73 gears I'm looking for a little more bottom end someone said add a throttle spacer. Is this a good start? Any info is appreciated.duane5157

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post #2 of 11 Old 06-15-2013, 04:19 PM
LVCapo
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oh man......

Honestly, a throttle body spacer doesnt really do anything for a fuel injected engine....next up in the cold air intake, which will lead to a long debate/argument, followed by intake/exhaust combos.....and still more argument.
The one mod people will agree on is a regear, which is really expensive.
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post #3 of 11 Old 06-15-2013, 04:58 PM
ncb
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I installed five TB spacers and doubled the HP on my 3.8.
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post #4 of 11 Old 06-15-2013, 07:41 PM
agenbroad99
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Quote:
Originally Posted by ncb View Post
I installed five TB spacers and doubled the HP on my 3.8.
5? I did three.... man I need two more....

No really the regear was my best mod. I have the 3.8 and went to 4.88s after 3.21... night and day.

2008 JKUS Banks Monster, 4.88 G2 Gears, PureJeep Rocker Guards, AEV Savegre w/315/70/17 Duratracs, Body Armor Rear w/Tire carrier, Teraflex 3" with Bilsteins, Rough Country Bumper with Engo 10K install, Evo sleeves and gussets, oh yeah and Flat Fenders.
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post #5 of 11 Old 06-15-2013, 09:32 PM
Rtone1583
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The 3.6 has a relatively flat torque curve that starts out around 150 LbFt at 800 RPM's and climbs to 250 LbFt at around 2000 RPM's. From 2000 to 3900 RPM's it stays flat at 250 LbFt then peaks at about 260 LbFt at about 4200 RPM's.

All that to say that the torque curve is fantastic for normal driving conditions and you will have to dump a considerable amount of money into power mods to see any kind of change or improvement on that curve (especially on the low end).

If you want to tap into what torque is available on the low end, you're best and cheapest bet would be to regear.

Just an example:

The most noticeable, bang for your buck, power mod (short of dropping a Hemi in) is a super charger which comes in at about $5K.

The most noticeable, bang for your buck, mechanical mod (to tap into available power) is a regear which comes in at about $1500, give or take.
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post #6 of 11 Old 06-16-2013, 01:32 AM
Tanimal
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Superchips
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post #7 of 11 Old 06-16-2013, 02:04 AM
tankinyj
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Re-gear

Quote:
Originally Posted by SFRautomotive View Post
will a 3" body lift on my XJ still keep me LCG???
2012 JK 2Dr Crush Orange, 4.56's, 3" on OME frankenlift, 35x12.50x15 MT/R's
Orange Crush Jeep Club Member #55
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post #8 of 11 Old 06-16-2013, 07:52 AM
tyvanwie
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No it is not. Doing research is a good start.

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I don't even own a jeep anymore
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post #9 of 11 Old 06-16-2013, 11:22 AM
LVCapo
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Super hips really doesn't do much for the 6 speed

Tyvanwie....you've been a member 9 months and have 4756 posts.....have you ever actually been outside, or seen Jeep that wasn't on a computer screen(j/k)?
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post #10 of 11 Old 06-16-2013, 11:58 AM
tyvanwie
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Quote:
Originally Posted by Capper5016
Super hips really doesn't do much for the 6 speed
It does for your girlfriend/wife though

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post #11 of 11 Old 06-16-2013, 12:03 PM
LVCapo
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Quote:
Originally Posted by tyvanwie View Post
It does for your girlfriend/wife though

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Not mine, she's a classic/high miles.....would blow a gasket.....
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