Chinese torque multipliers are now available for reasonable prices. I bought one for the lug nuts on my Fuso which I couldn't break loose with a 6' bar and my 200lbs. https://www.walmart.com/ip/Torque-Multiplier-Lug-Nut-Wrench-Tool-Truck-Tire-Remove-Remover-Lugnuts/178541500?wmlspartner=wlpa&selectedSellerId=2117&adid=22222222227042840760&wl0=&wl1=g&wl2=c&wl3=107051957597&wl4=pla-297438675917&wl5=1014485&wl6=&wl7=&wl8=&wl9=pla&wl10=113148308&wl11=online&wl12=178541500&wl13=&veh=sem

__________________
1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13