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1Gen-TundraGeneral discussion forum for the 2000 to 2006 Toyota Tundra.
This is a discussion thread titled "Back spacing?", within the 1Gen-Tundra forum, part of the Truck Forums category.
I just had a a ready lift leveling kit installed along with 285/75/16 tires on factory rims. I have a 1/4'' spacer on right now so it only rubs at full turn. I am looking at getting a set of helo maxx 6 16x8s. The guys who installed it said if I put rims it will go from rubbing my UCA's and frame to body and bumper. Question is I don't know what back spacing I need to solve the problem. Couldn't get the answer I needed through searching.
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02 AC SR5 4x4-True Flow Intake-JBA Headers-Flow 40 (No Res)-Leveled-Diff Drop-Superlift Recaibrator-Firestone Des. M/T 285/75/16-Tint-Alpine Deck-Infinity Highs-Wet Oakle Covers
I tried using the search I got lots of info but everyone recommends going with a 4.5'' to 3.5''. I had saw on here that my factory rim has 4 5/8'' if thats the case then 4.5'' wouldn't do anything but if I go with 3.5'' then I'm araid it will start rubbing my fame and body. By the way I have 3'' in the front.
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02 AC SR5 4x4-True Flow Intake-JBA Headers-Flow 40 (No Res)-Leveled-Diff Drop-Superlift Recaibrator-Firestone Des. M/T 285/75/16-Tint-Alpine Deck-Infinity Highs-Wet Oakle Covers
Maybe this will help determine backspacing. I have a 3" lift with 285/75/16 but not using stock wheels.
How to Measure a Wheel's Backspace
Turn the wheel face (outside) down.
Place a straightedge across the back of the rim as shown.
Measure from the bottom of the straightedge to the center of the wheel (where the wheel is bolted to the brake drum or front hub).
Backspace is important as a measure on its own (too much backspace can lead to a wheel rubbing on suspension pieces or brake lines), but it's also important as a percentage of the total rim width. Two rims of the same nominal width but with different backspace dimensions will appear quite different on the car - the one with least backspace will yield the widest track because it will "stick out" further from the car's centerline.
4.5" back space should do you fine. I just installed 17x9, 4.5" back space DC-1's with 305/65/17's and Bilstein 5100's set to the top notch upfront. No rubbing at all. Link to wheel spec's Dick Cepek DC-1
My American Racing Victor's are 16x8, 4.5" of backspacing. I'm using the 2.25 inch setting on the Bilstein 5100 adjustables. I had to trim about a half an inch off the very inside corner of the bumper cover to prevent a rub I had in reverse only.
Took less than 10 seconds a side and you can't tell if you don't know where to look. No rubbing on suspension. I do have my mud flaps removed.
__________________ Lisa = 2003 Access-Cab Tundra SR5
C/R/C Tails, Clear Corners, Westin Black Ultimate Bull Bar, Toyota of Dallas Grille, PIAA 510 Ion Yellow Fogs, Putco LED Third Brake Light, Luverne Black Nerf Bars, Bilstein 5100's, Wheeler's AAL's, 285x75R16's on A.R. Trench wheels.
Horsepower is how fast you hit the wall.
Torque is how far you push the wall.
-Unknown
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Back spacing?
Backspace is important as a measure on its own (too much backspace can lead to a wheel rubbing on suspension pieces or brake lines), but it's also important as a percentage of the total rim width. Two rims of the same nominal width but with different backspace dimensions will appear quite different on the car - the one with least backspace will yield the widest track because it will "stick out" further from the car's centerline.
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