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Dodge Ram 2500 5.9 or 6.7
7 messages, Last post on Jan 25, 2010 at 3:29 PM
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What is this discussion about? Dodge Ram Pickup 2500, Dodge Ram Pickup 3500, Dodge Ram Pickup 1500 SRT-10, Fuel Efficiency (MPG), Truck
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#6 of 7 5.9 vs 6.7 by blacksea
Oct 23, 2009 (8:27 pm)
Since I know a little about this I thought it a good idea to share it. the 5.9 is tried and proven... the 6.7 employs a shorter connecting rod thereby adding to skirt pressure against the cylinder bore. Adding to the bore is a no brainer as there's more than enough iron to handle the over bore. Realistically speaking, in marine trim via Mercury Marine, the 5.9 is rated at 480HP continous. Accordingly, I've no clue the bump in cubic inches to make it a 6.7... other than keeping up with the other rust belt two.We intentionally purchased an 06 with the 5.9 rather than an 07 with the 6.7... there was simply too many things to go wrong with a first generation big bore engine hosting a tremendous amount of new technology... Maybe.., and no promises as the 6.7's seem to be fuel guzzlers (emissions, again) but maybe, we'll purchase a 6.7 but the truth is, the 5.9 drags our five tons of trailer around, up hill, down hill, everywhere with pedal to spare... how can I complain?
#7 of 7 Re: 2007 Ram clutch chatter [gfirne] by seabee111
Jan 25, 2010 (3:29 pm)
Replying to: gfirne (Oct 19, 2009 7:22 pm)
Yes, I have the same problem when I try to push my 38' 5th Wheel up an incline or in reverse on surfaces that are not concrete. I put a heavier clutch in but, it doesn't seem to be working. As a matter of fact I'm finding now that I have problems even shifting into reverse at a dead stop. So, bottom line I haven't found a fix and would greatly appreciate any help. My truck is a 2004 3500 dually with a 5.9L engine and 6 speed manual transmission. I seen that you posted your question in October of last year so, I thought you might have discovered a fix.
Thank You!
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