more power
06-22-2011, 07:14 PM
#12
JK Freak
Join Date: Feb 2011
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06-22-2011, 07:41 PM
#13
JK Enthusiast
Join Date: May 2011
Location: grande prairie
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mine only wisle at 3000rpm and up.. and its not an annoying one, you can hear it if the radio and fan are off.. otherwise you cant hear it.. its not like them annoying diesel that you hear 4 blocks away, i got its the jet performance.. made a difference on fuel economy anyways.. as far as power i don`t know I would need to put it on a dyno to tell.. you cant really tell otherwise.. it says 2-4hp on the box but.. its hard to feel 2-4hp lol hope that answer you question alot better
06-22-2011, 07:49 PM
#14
JK Freak
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mine only wisle at 3000rpm and up.. and its not an annoying one, you can hear it if the radio and fan are off.. otherwise you cant hear it.. its not like them annoying diesel that you hear 4 blocks away, i got its the jet performance.. made a difference on fuel economy anyways.. as far as power i don`t know I would need to put it on a dyno to tell.. you cant really tell otherwise.. it says 2-4hp on the box but.. its hard to feel 2-4hp lol hope that answer you question alot better
06-22-2011, 07:59 PM
#15
JK Enthusiast
Join Date: May 2011
Location: grande prairie
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06-22-2011, 09:48 PM
#17
JK Newbie
Join Date: Mar 2011
Location: Richmond Hill, GA
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Resurface your fanuter valve and replace your reverse spline impact bearing with a high density model and you'll be good to go.
Also, I did an aFe intake, MBRP catback, gibson shortys (cracked stock manifold, at least it sounds better now) a hypertech programmer, and some better fluids. I have a performance distributors coil pack and wires as well as racing stripes waiting for me when I get back so I expect to out run hemi's just off of the shelby inspired racing stripes alone. I'm pretty sure it has something to do with aerodynamics
Also, I did an aFe intake, MBRP catback, gibson shortys (cracked stock manifold, at least it sounds better now) a hypertech programmer, and some better fluids. I have a performance distributors coil pack and wires as well as racing stripes waiting for me when I get back so I expect to out run hemi's just off of the shelby inspired racing stripes alone. I'm pretty sure it has something to do with aerodynamics
06-23-2011, 05:21 AM
#18
JK Freak
Join Date: Jan 2011
Location: Raleigh, NC
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Like he said, supercharger or HEMI.
06-23-2011, 07:41 AM
#19
JK Newbie
Join Date: Jan 2008
Location: Denver, CO
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I'm running 35's on 4.10 gears and have had my RIPP supercharger on for a couple months now. The performance gains are awesome and I have no intent on replacing the gears until I trash them. Before the SC, I would agree that going to 5.13 gears would be a good idea, but with the SC I've had no problems getting up to speed and maintaining it.
