switching from E to D
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From: mt.prospect
switching from E to D
I need to smooth out the ride on my X or its got to go. My wife compares it to her brother 1979 bronco. She hate driving it. Would sswitching the front tifres to d help smooth out the small bumps?right now I'm. Running bfg rugged trails e rated. I don't tow anything heavy
Posting Guru
Joined: Oct 2009
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From: Southwest VA
Good advice....might not be your tires .......are your springs shot ...you could be riding on tje bumpstops.....which equals solid
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It all depends on what she is going to be happy with. You'll never change the fact that it is a truck and rides like one. If she wants a Denali, it will be hard to make her happy.
That said, mine has a much better ride after swapping out the springs. If you are really concerned about the ride and want to swap the springs I'd go with U codes up front and B's in the rear and put the F350 sway bar on to get ride of some body roll. The U-codes are one step softer than the common V-codes so ride would be a little bit softer.(I put V's on mine) What engine do you have? You might be able to go one step softer with a gasser, but I'm not sure. The last piece would be to get some Adjustable Rancho's or CUSTOM valved bilstein's. I've read those make a difference too, but since the stockers work, I've been putting money into other things.
I don't think I'd swap tires, what pressure do you run your's at and are they stock size? I'd probably air them down some.
That said, mine has a much better ride after swapping out the springs. If you are really concerned about the ride and want to swap the springs I'd go with U codes up front and B's in the rear and put the F350 sway bar on to get ride of some body roll. The U-codes are one step softer than the common V-codes so ride would be a little bit softer.(I put V's on mine) What engine do you have? You might be able to go one step softer with a gasser, but I'm not sure. The last piece would be to get some Adjustable Rancho's or CUSTOM valved bilstein's. I've read those make a difference too, but since the stockers work, I've been putting money into other things.
I don't think I'd swap tires, what pressure do you run your's at and are they stock size? I'd probably air them down some.
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From: mt.prospect
I have the v8 gasser with stock tire size. It has 2 inchs of travel bfrom the bump stops. I tried airing down the tires from 60 to 50 tonight and it made a huge difference. Just the fronts. I wish I convert it over to coilover shocks
Post Fiend
Joined: Feb 2011
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From: Ft. Lauderdale, FL
If your not towing there is nothing wrong with D... I ran a Firestone D rated tire for years and I didn't feel every penny I ran over on the road. I now run my bfg at's at 60lbs. Not to bad but not as soft as before.
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More Turbo
Joined: Jul 2010
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From: Tennessee
Unless you have a Diesel you probably don't need to run much over 50 psi towing or not. The rear tires are taking the load when towing anyway. The high frequency stuff is all tires. Only the big hits are going to make that suspension move. I usually look at how the tires are wearing. If they are wearing in the center then you have too much air in them reguardless of what the manual or the sticker on the door says. Also the lower the weight rating on the tire the more the tendency for the tire to wear in the center. The weaker cords let the tire expand more in the center. All terrain tires are famous for this.
Perry
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Post Fiend
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In my humble experience when I went to D's the truck was ALL OVER the road...
White knuckle driving because of too much flex in the sidewalls (my guess)
I do lower the psi to around 50 psi and have put on rancho adjustables set at 1....
that helps a lot on our 2005 6.0 with 139K
oh, on edit - I did go back to discount and made them switch out the D's back to E's - let them know I didn't "appreciate" their bad advice
White knuckle driving because of too much flex in the sidewalls (my guess)
I do lower the psi to around 50 psi and have put on rancho adjustables set at 1....
that helps a lot on our 2005 6.0 with 139K
oh, on edit - I did go back to discount and made them switch out the D's back to E's - let them know I didn't "appreciate" their bad advice
Cargo Master
Joined: Sep 2007
Posts: 2,624
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From: OR and UT
OP, I think you'll be fine running at the lower tire pressure since you aren't towing. You might check into a different 10 ply tire. I have two different brands of 10 ply tires and I can tell you that one brand gives a much harsher ride at the same pressure.
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