Delete the rear offset? Getting a 9 inch

[smed7880]

Tire/frame rub was my concern along with ujoint wear. Will be running 15s, maybe 245 60s. Not carrying the front tire, stock LS2.

Thanks for the info/pics.

 

[64nailhead]

Adjustable upper control arms are not for centering a rear housing. Use only for adjusting pinion angle. I would only do this on a panhard set up a tiny bit.
The 2 pairs of arms in a triangular 4 link should have 2 equal length uppers and 2 equal length lower.

Respectfully, I have to give you a bzzzzt on this^^^^^^. The sole purpose of adjustable uppers is to center the housing/wheels on a triangulated 4 link. The lowers are for alignment.

OP, if you search my build thread, you’ll find pics of my floor ‘adjustment’ I made to accommodate driveshaft rub. I had issues before I put in an ARB. The pic in my avatar identifies the g-body shuffle that was eliminated by the ARB.

 

[Built6spdMCSS]

Respectfully, I have to give you a bzzzzt on this^^^^^^. The sole purpose of adjustable uppers is to center the housing/wheels on a triangulated 4 link. The lowers are for alignment.

Exactly, same thing I've always known.

 

[Rt Jam]

Respectfully, I have to give you a bzzzzt on this^^^^^^. The sole purpose of adjustable uppers is to center the housing/wheels on a triangulated 4 link. The lowers are for alignment.

OP, if you search my build thread, you’ll find pics of my floor ‘adjustment’ I made to accommodate driveshaft rub. I had issues before I put in an ARB. The pic in my avatar identifies the g-body shuffle that was eliminated by the ARB.

No wonder your car is all crooked on the launch.

Respectfully, I'm not here to tell anyone how to set up their car but equal length control arms for me.
I'll fix a quarter panel before I adjusted my rear housing to one side.

 

[Built6spdMCSS]

No wonder your car is all crooked on the launch.

Respectfully, I'm not here to tell anyone how to set up their car but equal length control arms for me.
I'll fix a quarter panel before I adjusted my rear housing to one side.

If you have a 9 sec car to compare I'd like to see your input...

 

[Rt Jam]

E.T. does not equal knowledge, offset it some more. Maybe it will run 8's.

 

[64nailhead]

No wonder your car is all crooked on the launch.

Respectfully, I'm not here to tell anyone how to set up their car but equal length control arms for me.
I'll fix a quarter panel before I adjusted my rear housing to one side.

My car isn’t ‘all crooked on the launch’ . And truthfully it’s straight as hell. I’ll try to remember to attach a couple of launch vids when I get home.

Measuring rear side to side adjustment/clearance/alignment has nothing to do with a fender. And using the frame can get the car all cattywompus as well. A proper alignment sets the wheels where they need to be - the body and frame are just along for the ride.

Equal length means you have straight rear ended housing and upper a-arm frame mounts that are perfectly straight as well. I know at least one of them is not perfectly straight on my car and I’ll guess they aren’t on most 40 year old cars.

Don’t take my comments argumentive please because I’m not intending them to be that.

 

[64nailhead]

No wonder your car is all crooked on the launch.

If that looks crooked on the launch, then.......I'm not sure what straight is.

 

[Built6spdMCSS]

I'm not sure what straight is.

Welcome to 2023.. 😉

 

[Rt Jam]

If that looks crooked on the launch, then.......I'm not sure what straight is.

That looks very straight compared to your avatar.

Don't take smacktalk as any disrepect. It's all witty banter between gear heads.