Hoss, I would think that with your truck and the E's, and not towing, 60psi would get you where you need to be. I run 65 all the way around on the 2500, and the 3500. Don't normally have to worry about adding air when towing and they are wearing just fine. I have 67000 miles on the 3500 with the original E Michelins. Oohh yes Hoss you are correct in regards to the heavy front. When towing my normal load, the steer axle weighs 4200#. Now keep in mind that the trailer is not adding that much weight up front. I will check her empty some day just to see.<br>just my 2

 

The Cummins weighs 1082lbs according to my manual. I don't know if that's wet or dry. BUt also, the parts in our engine are quite a bit larger than the ones in yours. Think about how much longer our crank is than yours cause we are an inline 6. And how big our connecting rods are and our pistons.

 

Back when I had my stock tires I found that 65 front and 55 rear worked real good.<br><br>Not squirrely on the front, not to harsh either.<br>Rear didn't bounce around at 55 as much as it did at 65 or higher.<br><br>These were the stock Michelins that maxed at 80psi.<br><br>Just had to remember to let some out and add some after I rotated the tires.<br><br>This is unloaded of course.<br><br>The tires I have now max at 50, so I run 50 on front and 40 in back.<br><br><br>phox

 

65 PSI all arround. Pump up to 80 PSI in the back for gooseneck pulling.<br><br>Rancho 9000xs allow you to customize your ride for what you want. Buy 4 for the price of 3 through end of june. samsoffroad.com.<br>Non towing 2 fronts and 3 back<br>Towing 5 front and 8 back

 

Like srigs, I run E-rated tires at 65 psi all around for the empty commute and up the rears to 80 for hauling my gooseneck. <br><br>I have the Edelbrock Performer IAS shocks and they do a better job than stock (anything is better than the stock shocks) and I don't have to twiddle a **** (simpler for wife to drive since she is not a technical-type).<br><br>Just remember, your 3500 is sprung stiffer in the rear than a 2500 with only the bed for weight so you are not going to get the smoothest ride. There are several severe bumps on curves around here that I feel the rear actually hop sideways on. An Excursion might not due to the weight of the rear glass, seats, leather and other crap they put in them but then I have always driven trucks because I need the ability to haul weight and I know that is the tradeoff.<br><br>You might also look at Bilsteins - any good shock is going to cost and all the good ones seem to be pretty even in performance.

 

Thanks everyone for your replies. I think I'm gonna try either 60 or 65 psi all the way around and see how that goes. That should help to optimize my fuel mileage and hopefully let everything wear evenly...not to mention be enough pressure to support that heavy engine up front. ;D<br><br>As far as shocks....I plan to upgrade on those as soon as I can. I'm thinking either Rancho 5000's or Pro-Comp 3000's. Anyone have opinions on either of those??

 

Why Rancho 5000's and not the 9000's?

 

If I were to choose between the 5000's and the 9000's. I would choose the 5000's only for Hoss's sake cause he wont be doing towing he just driving around. Am I right Hoss?

 

<br><br>Money for one thing. Plus....probably 95% of my driving is empty and on the concrete. Didn't figure I needed the 9000's. Am I wrong??<br><br><br><br>Basically. <br><br><br><br>I think I've got plenty of stiffness. I just want to keep the tires on the ground. For the kind of driving I do, is it really worth it to go with the 9000's??<br><br>What about the Procomps? Anyone use them besides Blue?<br><br>

 

More jarring is NOT what I need. The 3500 springs with 65 psi will do enough of that.... :

Are the 9000's basically like a set of air shocks??

 

[quote author=SuperiorDiesel03 link=board=10;threadid=16056;start=0#150771 date=1055971164]<br>But the Cummins is inline6 and PSD is V8. I would think that the PSD weighs in a little more cause of its form.<br>[/quote]<br><br>Most V-8's are lighter than similar sized I-6's. Was (pleasantly) surprised when I swapped the I-6 out of my FJ-40 for a SBC - lost over 200#