Swishy Posted January 24, 2021 Share Posted January 24, 2021 (edited) The Swish was shown how to manipulate the Quad box to get the best out of the beast long time ago we had 4 of 'B' model Macks plus other makes wonder duz it really make a differnce how U get there providing no trucks were damaged LOL I thort there twaz no other way to shift them cogs but the way I have on the right of this pic but am open to critasism WotSezU? Cya Edited January 24, 2021 by Swishy Quote Link to comment https://www.bigmacktrucks.com/topic/65654-swapn-cogs/ Share on other sites More sharing options...
mrsmackpaul Posted January 24, 2021 Share Posted January 24, 2021 Short answer Swishman, I dont think it really matters which way you swap them as it's gunna be different every time as you roll off hills or trafficlights change or what ever As long as the grinding is kept to a minimum Plenty of experts out there who know and done more than I'll ever dream of doing Paul Quote Link to comment https://www.bigmacktrucks.com/topic/65654-swapn-cogs/#findComment-467585 Share on other sites More sharing options...
doubleclutchinweasel Posted January 26, 2021 Share Posted January 26, 2021 That's the sequence we used (most of the time anyway) on the 20-speed (main direct in 5th). On the 18-speed (main direct in 4th), skip Lo-Split 5th and Direct 5th (they duplicated other gears). So, they were the same up through Hi-Split 4th. Then you just shifted the main to 5th. Long-legged mothers, those 18-speeds. Quote "Eagles may soar, but weasels don't get sucked into jet engines." Link to comment https://www.bigmacktrucks.com/topic/65654-swapn-cogs/#findComment-467716 Share on other sites More sharing options...
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