mackr1989 Posted July 29, 2017 Share Posted July 29, 2017 picked up a 2000 rd688sx 10 wheeler dump the other day with a 400 etech and 18 speed. it has a lot of power but was wondering if there's anything i should be aware of with this engine. also noticed from a distance while looking at the truck from the front and back that its leaning towards the passenger side which makes me kind of nervous. there arent any noticeable broken suspension parts and the tires on the drivers side definitely have more tread but it looks like it its leaning above the frame rails. any thoughts? Quote Link to comment https://www.bigmacktrucks.com/topic/50600-need-opinion-on-mack-e7/ Share on other sites More sharing options...
ekennedy21 Posted July 29, 2017 Share Posted July 29, 2017 I can't speak to the lean, but you will love that engine/trans combination. I have an rd688sx set up the same and it really is terrific. Quote Link to comment https://www.bigmacktrucks.com/topic/50600-need-opinion-on-mack-e7/#findComment-376085 Share on other sites More sharing options...
dcrow Posted August 7, 2017 Share Posted August 7, 2017 Road salts are heaver on the passenger side of the road due to the crown in the road. The right side will usually always have more corrosion then the left so I would start with checking spring hangers and all of the mounting points on the right side. You did say it's a dump so the box could be off giving the illusion that the whole truck is leaning as well. Quote Link to comment https://www.bigmacktrucks.com/topic/50600-need-opinion-on-mack-e7/#findComment-376847 Share on other sites More sharing options...
fjh Posted August 8, 2017 Share Posted August 8, 2017 (edited) Not to mention Its the Torque down side If you ever watch a truck pulling a heavy load up a steep hill its always lower on that side! Edited August 8, 2017 by fjh Quote Link to comment https://www.bigmacktrucks.com/topic/50600-need-opinion-on-mack-e7/#findComment-376972 Share on other sites More sharing options...
Mack Technician Posted August 8, 2017 Share Posted August 8, 2017 Good motor with perfect HP range for a 12liter engine. Dealing with this on the CV713. Previous owner put wrong drive axle camber spacer under right side Z-member of air ride (AL). Leans above the suspension. Imagine yours is a camel (RD chassis)? Quote Link to comment https://www.bigmacktrucks.com/topic/50600-need-opinion-on-mack-e7/#findComment-376974 Share on other sites More sharing options...
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