Rear steer gearing issues

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eazycheeze

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Hey guys i have a scx 10 3 jlu rtr so the 3003? I know this is arrma but figured id ask here as well.

Anywho i put rear steer in, i used a scx 10 2 front axle and basically plug and play. The servo on axle just touches the back center braces and i lose little less than a 1/4" of shock travel which im happy with so i don't need to chop anything.

The issue i have is , the rear wheels move faster than front.
for 1 rotation of rear wheel, my front only did about 65% . Now its the same ring and pinion as the 10 3 front which is a 30t ring and 8t pinion .

The 10 3 portal gears are 23/12 and the 10 2 front diff in the rear is 16/16.

I cant find any portal gears for the 10 2 portal. So basically im wondering should i underdrive the rear ring pinion and if so to what, 27/8? And if it still mpves faster then overdrive the front to 33/8? I like my crawl as it is so i really would rather touch the portals.

the 10 3 portal gear 12tooth is squared in the center so it does not fit in the 10 2 portal. The 10 3 23 tooth is huge and does not fit the 10 2 portal.


any idea thanks guys
 
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