Got some new wheels: Boss 338's in 20x10 and 20x8.5

[magwakeenercew2jh]

For anyone who still cares about this stuff:



Here are a couple of shots of the earlier 338's. 8.5 x 20 in front with a 245/40 and a 1" spacer.
The rear is a 20 x 10 with 275/45's and a 1.5" spacer.

I had room in the back with that set up *before* I put on the 1" spacers...But only by 1/4" before
it hit the bed on the inside edge. The ECE adjustable panhard bar allowed me to center things to
get the 1/4" even on both sides.

But the 338 folks only offered that 6.225" BS (I'm talking rear...I don't remember the front stats)
when I bought them. And, I was too far under the bed. So, at first I went with the 1" spacers in the rear.

Next was a move of the spacers to the front. And new spacers... a little wider (1.5")..... on the rear.

So, this is how she sits now with the ECE 4.5/6 drop (spindles and springs in the front, and springs in the rear....
...Not that it matters for this conversation, but a big, fat anti-sway bar up front and also ECE shock relocation
kit all around.

Oops! I forgot...The rear end is '71. That, I believe, is important. Width-wise....Just to make these stats make sense.

[spidermn]

Originally Posted by magwakeenercew2jh

For anyone who still cares about this stuff:



Here are a couple of shots of the earlier 338's. 8.5 x 20 in front with a 245/40 and a 1" spacer.
The rear is a 20 x 10 with 275/45's and a 1.5" spacer.

I had room in the back with that set up *before* I put on the 1" spacers...But only by 1/4" before
it hit the bed on the inside edge. The ECE adjustable panhard bar allowed me to center things to
get the 1/4" even on both sides.

But the 338 folks only offered that 6.225" BS (I'm talking rear...I don't remember the front stats)
when I bought them. And, I was too far under the bed. So, at first I went with the 1" spacers in the rear.

Next was a move of the spacers to the front. And new spacers... a little wider (1.5")..... on the rear.

So, this is how she sits now with the ECE 4.5/6 drop (spindles and springs in the front, and springs in the rear....
...Not that it matters for this conversation, but a big, fat anti-sway bar up front and also ECE shock relocation
kit all around.

Oops! I forgot...The rear end is '71. That, I believe, is important. Width-wise....Just to make these stats make sense.

magwakeenercew2jh, i am looking at running the same setup on my 1970 c10. Did you have to do any modifications to get the spindles and springs set up in the front and did you notch the rear frame to get that kind of drop?

[ksbrktracer]

Originally Posted by spidermn

magwakeenercew2jh, i am looking at running the same setup on my 1970 c10. Did you have to do any modifications to get the spindles and springs set up in the front and did you notch the rear frame to get that kind of drop?

If I was doing this I would order the 5.5" backspace wheel , saves you having to run spacers in the rear. Depends on how low you go in the rear as to whether you have to notch the frame or not.
If you have converted to stock 71 or newer brakes you will probably have to modify the snout on the rotor ( 1.25" rotor) to fit in the front wheels so you dont have to use a spacer. Should be a complete bolt on deal otherwise. There is some aftermarket brake setups that require no mods to the rotor. 81 and newer light duty brakes ( 1" rotor) dont require the mod, but you would need spindle , caliper, rotor etc.
But you also have to be using a 71-72 rearend to make it work. 70 rearend is going to be to narrow.

[magwakeenercew2jh]

Originally Posted by magwakeenercew2jh

Here are a couple of shots of the earlier 338's. 8.5 x 20 in front with a 245/40 and a 1" spacer. The rear is a 20 x 10 with 275/45's and a 1.5" spacer.

I had room in the back with that set up *before* I put on the 1" spacers...But only by 1/4" before it hit the bed on the inside edge. The ECE adjustable
panhard bar allowed me to center things to get the 1/4" even on both sides.

But the 338 folks only offered that 6.225" BS (I'm talking rear...I don't remember the front stats)
when I bought them. And, I was too far under the bed. So, at first I went with the 1" spacers in the rear.

Next was a move of the spacers to the front. And new spacers... a little wider (1.5")..... on the rear.

So, this is how she sits now with the ECE 4.5/6 drop (spindles and springs in the front, and springs in the rear....
...Not that it matters for this conversation, but a big, fat anti-sway bar up front and also ECE shock relocation
kit all around.

Oops! I forgot...The rear end is '71. That, I believe, is important. Width-wise....Just to make these stats make sense.

Here are a couple of "better" pics than I posted before with the same stats as above. No rubbing. No issues like that.

When I wear out the 275's in the rear, it looks like I have room to go with 295's. Likely, then, I'll raise the front end up by 1" or 2"
to get the whole truck a little more level. We'll see. Was going to go with bags in the rear. But suggestions from wiser minds prevailed.