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Originally Posted by Hayesio
Are your diff's standard? If so, re-grearing would give you good results for towing.
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I'd thought about this as re-gearing the diffs will help in terms of low down performance gains. It'll certainly make it easier to pull away, but there would be other trade offs.
The auto JK's are supposed to have OD off to tow which means we're towing in 3rd gear. As it stands that means we're already pulling around 2500 revs at freeway speeds. Re-gearing will increase the revs even further which will potentially have a detrimental impact on economy at speed, not to mention increase noise levels as they're not the quietest motors when pulling higher revs.
I personally didn't think it was worth it...........though I was easily convinced as I can't afford it anyway.
Quote:
Originally Posted by Hayesio
How does removing the muffler increase power? I'm struggling to see the logic in this. Yes it would bring boost on faster, and sound awsome... but net power gain? How?
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You're right.......as fast as I know. When I removed the muffler the turbo seemed to spool up earlier and easier making it slightly better to drive at slow speeds as it removed some of the throttle response/turbo lag.