skydawg Posted August 14, 2023 Share Posted August 14, 2023 1961 B61 w/ triplex trans...when backing out of my gravel driveway,my truck starts jumping and bucking,no matter what aux gear I`m in.Forward starts are smooth.Am I doing something wrong? Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/73163-hopping-in-reverse/ Share on other sites More sharing options...
mechohaulic Posted August 14, 2023 Share Posted August 14, 2023 I'd say your doing nothing wrong. combo of -1 - gravel surface =2- backing out your driveway , drive train is pulling the truck Not pushing . 3= tire tread possibly not helping++ street tread or bar/gripper tread (on dump). 4= driveway flat or slight incline adding to hop?? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73163-hopping-in-reverse/#findComment-536924 Share on other sites More sharing options...
skydawg Posted August 14, 2023 Author Share Posted August 14, 2023 Yes,slightly uphill,street tread,bobtail.Thanks Mech. Quote Link to comment https://www.bigmacktrucks.com/topic/73163-hopping-in-reverse/#findComment-536926 Share on other sites More sharing options...
Brocky Posted August 14, 2023 Share Posted August 14, 2023 Mech is right.. Uphill with no weight on the drive axle... Will have to build a place to turn around at the bottom.. Also it WILL Be a lot SAFER pulling out onto the road!!!! 1 Quote Brocky Link to comment https://www.bigmacktrucks.com/topic/73163-hopping-in-reverse/#findComment-536933 Share on other sites More sharing options...
skydawg Posted August 14, 2023 Author Share Posted August 14, 2023 I`ll back in from now on...I like the front view of the cab from my window,but will swap for rear view. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73163-hopping-in-reverse/#findComment-536942 Share on other sites More sharing options...
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