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Suspension, Tire, and Wheel Guide

138K views 176 replies 101 participants last post by  Dragon62 
#1 · (Edited by Moderator)
Thought I would start this to help answer a lot of questions. Please don't post in this thread to keep from having page after page that somebody has to read through to find an answer. PM or email me with any information you have to fill in the question marks, add, or correct any information and I will update this post. If you have any year model dodge and know what size wheels and tires came stock on it, backspacing, bolt pattern, etc., what size tires and wheels you have on it now and what you did to get them to fit leveling kit, lift, spacer, etc let me know by PM or email. For example just shoot me a PM that says: 2008 Dodge Ram 1500 4wd, stock 275/60R20 bolt pattern 5on5.5 backspacing 5.5", currently running 35x12.5R20 to make them fit you need 2"+ leveling kit and 1/4" spacer. If you have a really good picture of it email it to me or if you have it on this forum send me a link and I'll post it to give people and idea of what their truck will look like with x year model dodge with x lift and x tires.

06-08 4wd
Stock suspension: front - struts, rear - leaf springs
Stock tires: 275/60R20, ?R18, 265/70R17
Stock wheels: 20x9 5on5.5 backspacing ?, 18" 5on5.5 backspacing ?, 17x8 5on5.5 backspacing ?

2"+ leveling kit:
stock 20" & 18" wheels and 1/4" spacer - 35x12.5 tire
aftermarket 20" wheel max backspacing 5.5" - 35x12.5 tire
aftermarket 18" wheel max backspacing 5" - 35x12.5 tire
4" lift:
aftermarket 20" wheel max backspacing 5.5" - 35x12.5 tire
aftermarket 18" wheel max backspacing 5" - 35x12.5 tire
6" lift:
aftermarket 20" wheel max backspacing 5.5" - 37x12.5 tire
aftermarket 18" wheel max backspacing 5" - 37x12.5 tire


02-05 4wd
Stock suspension: front - torsion bars, rear - leaf springs
Stock tires:275/60R20, ?
Stock wheels: 20" 5on5.5 backspacing ?, 18" 5on5.5 backspacing ?, 02-03 17x7 Steel 5on5.5, 02-03 17x8 Aluminum 5on5.5 backspacing 5 9/16", ?
2"+ leveling kit or crank torsion bars:
stock 20" & 18" wheels and 1/4" spacer - 35x12.5 tire
aftermarket 20" wheel max backspacing 5.5" - 35x12.5 tire
aftermarket 18" wheel max backspacing 5" - 35x12.5 tire
4" lift:
aftermarket 20" wheel max backspacing 5.5" - 35x12.5 tire
aftermarket 18" wheel max backspacing 5" - 35x12.5 tire
6" lift:
aftermarket 20" wheel max backspacing 5.5" - 37x12.5 tire
aftermarket 18" wheel max backspacing 5" - 37x12.5 tire


94-01 4wd
Stock suspension: front - coil springs, rear - leaf springs
Stock tires: ?
Stock wheels: 94-99 16x7 Aluminum 5on5.5 backspacing 5" offset +13.97mm, 00-01 17x7 Steel 5on5.5, 00-01 17x8 Aluminum 5on5.5 backspacing 5 9/16", ?
2"+ leveling kit:
stock ? wheel - 33x12.5 tire
aftermarket ? wheel - 33x12.5 tire
5" lift:
aftermarket ? wheel - 35x12.5 tire
7" lift:
aftermarket ? wheel - 38x12.5 tire


94-08 2wd
Stock suspension: front - coil springs, rear - leaf springs
Stock tires: ?
Stock wheels: 94-99 16x7 Aluminum 5on5.5 backspacing 5" offset +13.97mm, 00-03 17x7 Steel 5on5.5, 00-03 17x8 Aluminum 5on5.5 backspacing 5 9/16", ?
94-01 2"+ leveling kit:
stock ? wheel - 33x12.5 tire
aftermarket ? wheel - 33x12.5 tire
00-01 3" lift:
stock ? wheel - 33x12.5 tire
aftermarket ? wheel - 33x12.5 tire
02-05 3" lift:
aftermarket ? wheel - 33x12.5 tire
02-05 6" lift:
aftermarket ? wheel - 35x12.5 tire

Good list of manufactures of lift kits: http://www.rockymountainsusp.com/

Good site with information on wheel dimensions, backspacing, offset and bolt circles: https://www.rsracing.com/tech-wheel.html [MADDOG]
 
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#172 · (Edited)
I have installed the Bilstein 5100's set at 2.1 and on stock 20x9 Laramie wheels, the Ridge Grapplers size 295/60-20 with no rubbing at full lock. What I was worried about most is how close the Tire sidewall tread that the Ridge Grappler has would rub the top ball-joint on the A-arm. Its really close about 7mm. The flex in the tire will be at the bottom where all of the weight sits. I had these tires on my 2500 CTD and liked them. These seem a little louder than the 2500 CTD. Overall I really like the stance of the truck and the aggressiveness of the tires. I need to take some pics and get them posted. I have to check my mileage on my next tank. But I do a lot of towing short trips mainly so I'm not sure how accurate it will be compared to stock.
 
#173 ·
Hey guys, I need the expertise of the group here, I’ve read a few things and am now doubting my purchase even though I thought I had done my homework. I’ve got a 2016 Ram 1500 Sport. I bought 305/55/20’s with 20x10’s with a 0 offset. The front end will be going up 2.5 inches to level the truck out. Am I going to rub anything running this setup?
 
#177 ·
Hi guys (and any galz)
Not sure how much and how often Ram changes up their designs in body styles, fairly new to the dodge world. Any way, I have a 2021 Bighorn and looking to do a 3.5" lift and put on 35" Nittos. I was going to use the stock rims for now and maybe get XD's like on a prior truck. But for now, stock wheel (Black) and Nitto Terra Grapplers, RC 3.5" lift. Any thoughts?

Diamond Black \ Bighorn 4x4 \ 5.7 hemi eTorque \ Night Edition \ level 2 pkg \ 12" uconnect, 9 spk audio \ dual pane sunroof
 
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