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The '98 I just picked up needs brakes all the way around. Just wondering if it would be worth the extra cash to upgrade the rear to disc since I'm going to have to gut it down to the backing plates and do everything new anyway.
 

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Short answer is no. 60-80% of stopping power is at the front wheels. If you want upgraded brakes you should start in the front first.
 

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Unless you've got 35s and an auto it's not worth the time spent on what is most likely a d35
 

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IMO it's totally worth it. Drum brakes belong in the 70s. You might even get better stopping power because most people don't maintain the drum brakes properly.
 

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Having actually done a drum to disk brake conversion on my previous TJ, it was totally not worth my time or $$$. There was zero braking improvement. None at all. The only thing better about rear disk brakes is their brake pads are easier to replace than drum shoes are. But that sure wouldn't make it worth it to me to ever do it again.
 

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Not a sig improvement on day to day driving

BUt
easier to change friction material
work better when submerged
less heat fade with prolonged use
Less directional park brake if you use disc that don't use drum park function (ie prevent backwards roll better then drums)
 

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Also, if you're rolling backwards downhill and need to stop quickly, the factory drums are horrible. For all the reasons listed, I would choose disks.
 
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