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Jeep Wrangler JK
JK General Discussion
Do I need to spend the money on a chip? Will it help my situation?
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<blockquote data-quote="Dirty Dog" data-source="post: 458533" data-attributes="member: 24042"><p>No, you didn't. Clearance is measure at the lowest point, which is your differential. Bigger tires lift the differential by half the tire size increase. A 3" bigger tire gives 1.5" more clearance. Because the only lift comes from the half of the tire below the hub.</p><p>Lifts (regardless of type) do not increase ground clearance, they only provide clearance for bigger tires. They do also raise your center of gravity (which is a Bad Thing) and a well designed suspension lift can provide additional flex, but that doesn't apply to a puck lift.</p><p></p><p>You've lost some torque because of the change to your final ratio. And now all the calibrations are off.</p><p></p><p>You can download JScan and get a single vehicle license for about $25. You can get one of their recommended OBDII dongles for about $25 as well. That will allow you to reset the speedometer and such, but will not regain the torque you've lost. </p><p></p><p>It's not a huge loss though, and how much it matters will depend on you. If you're driving on the street at low altitude in a relatively flat area, it won't matter as much as if you're driving up a 45 degree rock at 8000 feet.</p></blockquote><p></p>
[QUOTE="Dirty Dog, post: 458533, member: 24042"] No, you didn't. Clearance is measure at the lowest point, which is your differential. Bigger tires lift the differential by half the tire size increase. A 3" bigger tire gives 1.5" more clearance. Because the only lift comes from the half of the tire below the hub. Lifts (regardless of type) do not increase ground clearance, they only provide clearance for bigger tires. They do also raise your center of gravity (which is a Bad Thing) and a well designed suspension lift can provide additional flex, but that doesn't apply to a puck lift. You've lost some torque because of the change to your final ratio. And now all the calibrations are off. You can download JScan and get a single vehicle license for about $25. You can get one of their recommended OBDII dongles for about $25 as well. That will allow you to reset the speedometer and such, but will not regain the torque you've lost. It's not a huge loss though, and how much it matters will depend on you. If you're driving on the street at low altitude in a relatively flat area, it won't matter as much as if you're driving up a 45 degree rock at 8000 feet. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Do I need to spend the money on a chip? Will it help my situation?
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