I'll add that starting out in 2nd gear-Low while the engine is cold will allow it to warm up faster and help prevent the stumbling.

I drive all of my 2-speeds the same way...start in 2nd gear-low and work it up to high gear-low and then flip it into High gear-High range.

Mike B smile

Mike Boteler

1956 Chevy 3100 Resto Rod
1956 8400 Wrecker w/Holmes 525
1956 9200 Tractor w/Allison Automatic
1952 Willys M38 Army Jeep
1953 Willys M38A1 Fire Jeep
1978 Jeep CJ-5 Navy Jeep
1984 Jeep CJ7
+++++
Hughesville, MD