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Originally Posted by rustyk
Well, I get about 9.3 mpg, but then my 6.5L TD is in an 18,000 lb. class A motorhome.
Things do change - with my replacement Peninsular Diesel AMG 230 HP (custom spec'ed) 6.5L TD, mileage is nearly 11 mpg...
Do a little here, do a little there...with the Suncoast HD tranny and TC, redoing the diffy (Someone had been in there previously and the pinion bearing clearance was way tight), and fixing a stuck caliper, consumption is now averaging 12.2 mpg over the last 5K miles.
'94 Barth 28' Breakaway M/H ("StaRV II") diesel pusher: Spartan chassis, aluminum birdcage construction. Peninsular/AMG 6.5L TD (230HP), 18:1, Phazer, non-wastgated turbo, hi-pop injectors, 4L80E (Sun Coast TC & rebuild, M-H Pan), Dana 80 (M-H Cover), Fluidampr, EGT, trans temp, boost gage. Honda EV-4010 gaso genset, furnace, roof air, stove, microwave/convection, 2-dr. 3-way reefer. KVH R5SL Satellite. Cruises 2, sleeps 4, carries 6, and parties 8 (parties 12 - tested).
Stand-ins are an '02 Cadillac Escalade AWD 6.0L and an '06 Toyota Sienna Limited.