fauthpk Posted January 25, 2014 Share Posted January 25, 2014 Been off the site for a while. Glad to be back on looking around. I would like to get a bit more speed on my little B20. It has the 2speed rear but not enough. Would like to slow engine down a bit while traveling at 40mph. Is this something that can easily be done? Yes- rear end is in high. Thanks, Peter Quote Link to comment https://www.bigmacktrucks.com/topic/34392-b20-rear-end-gears/ Share on other sites More sharing options...
maint1 Posted January 25, 2014 Share Posted January 25, 2014 Without getting into rear or overdrive transmission, next taller size tire is best choice 1 Quote Link to comment https://www.bigmacktrucks.com/topic/34392-b20-rear-end-gears/#findComment-228632 Share on other sites More sharing options...
j hancock Posted January 25, 2014 Share Posted January 25, 2014 Gear Vendors makes an add on overdrive which would keep the original trans and rear end gear. You would have to fab brackets to mount it and make up new driveshafts.It is a pricey unit but may be worth considering. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/34392-b20-rear-end-gears/#findComment-228634 Share on other sites More sharing options...
fauthpk Posted January 26, 2014 Author Share Posted January 26, 2014 Gear Vendors makes an add on overdrive which would keep the original trans and rear end gear. You would have to fab brackets to mount it and make up new driveshafts.It is a pricey unit but may be worth considering.Will look into it. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/34392-b20-rear-end-gears/#findComment-228640 Share on other sites More sharing options...
Maddog13407 Posted January 26, 2014 Share Posted January 26, 2014 ditch the 2 speed, keep the tranny and just swap out the rear end hogs head. should be able to find a higher single or double reduction gear set for that. im sure your runnin 8.25 x 20's. you could also change up to 9.00 or 10.00 x20's to gain some mph 1 Quote Link to comment https://www.bigmacktrucks.com/topic/34392-b20-rear-end-gears/#findComment-228665 Share on other sites More sharing options...
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