if you do it right. None.
If you slip it in gear at the point where the rev's are just about to fall - slip the gear - then no pressure on the clutch or gearbox. Did it for years driving trucks and I never went thro a gearbox or a clutch
If you slip it in gear at the point where the rev's are just about to fall - slip the gear - then no pressure on the clutch or gearbox. Did it for years driving trucks and I never went thro a gearbox or a clutch