Tie Rods and Wheel Backspace

[Scotty54]

This is a continuation of a thread from a few weeks ago where I questioned my wheels riding very close to my tie rods. I understand that the tie rods won't contact the wheels but it got me thinking - could the very close space limit the ability to align the front end? Could the tie rods be adjusted outward to the point where they contact? The gap now (from tie rod to wheel edge) is about 3/8".

I am about to purchase new 15 x 8 wheels (replacing the 15 x 7 stock rims) and the new wheels have the same backspacing (4").
But . . . how about a 16" wheel. This would move the edge of the rim further away and allow more adjustment room. Are there any negatives to going with a 16" vs a 15"?

[Yeller]

No it is impossible to get closer to the wheel from alignment. The relationship between the tie rod and knuckle are fixed. The only way it can get closer would be a bad enough crash that you’re not driving the truck ever again.

Your truck is of the correct vintage to be able to accept up to 4.5” of back spacing with a 15” wheel. On most wheels you can still even run balance weights on the rim.

This one is 5 lug, but the specs are the same for a 6 lug. This is just an example of a known fitment that works.

https://www.summitracing.com/parts/USM- ... gIQjfD_BwE

[Stuka]

Be aware that 16" wheels have a limited tire selection, and they are almost all E rated in sizes that would fit. So your ride will become harsher if you go that route.

3/8" is plenty of space between the wheel and TRE, provided you are fine with using stick on weights instead of weights around the outside rim. I have seen cars from the factory with less than that.

[Scotty54]

Yeller - that is the wheel I am looking at, and has the same 4" backspace as my stock rims.

And thanks for explaining what should have been apparent to me if I had looked hard enough - the tie rod being fixed to the knuckle. My understanding of front end geometry is pretty basic.

Stuka - just the info I needed on the 16" wheel option. Thanks!

[Yeller]

your welcome!

If your patient these might be for sale this summer if I can find a 17" wheel that I like that isn't $600ea.