Rear sizing with DSE mini tubs - Team Camaro Tech
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post #1 of 32 (permalink) Old Nov 23rd, 17, 07:00 AM Thread Starter
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Rear sizing with DSE mini tubs

Thinking about mini tubing my stock supspension/ height 1967 Camaro. What would be the offset and width rim I could run. Any pics?
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post #2 of 32 (permalink) Old Nov 23rd, 17, 07:08 AM
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Re: Rear sizing with DSE mini tubs

Depends on your axle width.

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post #3 of 32 (permalink) Old Nov 23rd, 17, 07:10 AM
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Re: Rear sizing with DSE mini tubs

Wheel and tire sizes are here

https://www.detroitspeed.com/1967-19...mini-tubs.html

Backspacing/offset depends on rear end width.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
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post #4 of 32 (permalink) Old Nov 23rd, 17, 07:40 PM Thread Starter
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Thank you. As of right now I have a stock 10 posi on it


Quote:
Originally Posted by dhutton View Post
Wheel and tire sizes are here

https://www.detroitspeed.com/1967-19...mini-tubs.html

Backspacing/offset depends on rear end width.

Don
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post #5 of 32 (permalink) Old Nov 24th, 17, 03:42 AM
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Re: Rear sizing with DSE mini tubs

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Originally Posted by Merrozz572 View Post
Thank you. As of right now I have a stock 10 posi on it
Most guys who minitub also narrow the rear end. What is your plan?

Don

1969 Camaro LSA 6L90E AME subframe and IRS
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1959 El Camino project
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post #6 of 32 (permalink) Old Nov 24th, 17, 05:20 AM
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Re: Rear sizing with DSE mini tubs

I am running a stock width rear with 18x11.5s in the back and a 315 tire.

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post #7 of 32 (permalink) Old Nov 26th, 17, 05:32 AM
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Re: Rear sizing with DSE mini tubs

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Originally Posted by 130fe View Post
I am running a stock width rear with 18x11.5s in the back and a 315 tire.
Wow - you must have like a 8" BS then?

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post #8 of 32 (permalink) Old Nov 26th, 17, 06:45 AM Thread Starter
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Was planning on leaving it alone. Was hoping to get a 11.5” width in. Going to be ordering some custom forgelines just want to make sure I get the most for my money

Quote:
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Quote:
Originally Posted by Merrozz572 View Post
Thank you. As of right now I have a stock 10 posi on it
Most guys who minitub also narrow the rear end. What is your plan?

Don
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post #9 of 32 (permalink) Old Nov 26th, 17, 06:55 AM
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Re: Rear sizing with DSE mini tubs

I would also look at other manufactures of wheels. Forgeline are the Pro Tour Buzz word however substantially more expensive the other wheels with equal quality.

If you choose not to narrow you will have 7-8 inches or more back space and very little dish on the outside. May also complicate brakes, brake line and e-brake cable installations.
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post #10 of 32 (permalink) Old Nov 26th, 17, 07:54 AM
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Post Re: Rear sizing with DSE mini tubs

Here are my wheel specs-

Front- 18x9 with 5.625" BS
Rear- 18x11.5 with 7.625" BS

These specs work great on my 68, stock subframe with Stock width rear. I was not concerned about the deep dish look in the rear.

Sure it does rub on the subframe when the wheel is turned ALL of the way (not concerned)

No issues with brakes, cables and such. I am running Boze Lateral-Gs. Love them with my C5 brakes. Running 265/315 tires. Will probably go to 275s up front on the next set and maybe go to 335s in rear.
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post #11 of 32 (permalink) Old Nov 26th, 17, 09:06 AM
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Re: Rear sizing with DSE mini tubs

Quote:
Originally Posted by 130fe View Post
Here are my wheel specs-

Front- 18x9 with 5.625" BS
Rear- 18x11.5 with 7.625" BS

These specs work great on my 68, stock subframe with Stock width rear. I was not concerned about the deep dish look in the rear.

Sure it does rub on the subframe when the wheel is turned ALL of the way (not concerned)

No issues with brakes, cables and such. I am running Boze Lateral-Gs. Love them with my C5 brakes. Running 265/315 tires. Will probably go to 275s up front on the next set and maybe go to 335s in rear.
Looks great. I am not a huge fan of the deep dish look. Yours will be easier on wheel bearings and should reduce pad knockback.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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Last edited by dhutton; Nov 26th, 17 at 03:59 PM.
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post #12 of 32 (permalink) Old Nov 26th, 17, 03:21 PM
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Re: Rear sizing with DSE mini tubs

Don, i am curious how you figure that offset is easier in the wheel bearings. Its about the same as a deep wheel, its just on the other side of the load center.

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post #13 of 32 (permalink) Old Nov 26th, 17, 03:58 PM
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Re: Rear sizing with DSE mini tubs

Quote:
Originally Posted by 3d cad View Post
Don, i am curious how you figure that offset is easier in the wheel bearings. Its about the same as a deep wheel, its just on the other side of the load center.
I don’t think that is the case if you look way back at the bearing and not the wheel mounting surface. This phenomena has been known in pro-touring circles for quite some time. Guys with deep wheel lips generally suffer increased pad knockback....

Mandatory disclaimer: I have not performed a detailed analysis. Others have and this is what they have found. I am sure other will disagree and I have no issue with that....

Take a look at Stielow’s Hellfire. You’ll see similar offsets on a GM engineer’s car. No deep dish wheels there...

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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post #14 of 32 (permalink) Old Nov 26th, 17, 04:38 PM
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Re: Rear sizing with DSE mini tubs

That makes sense

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post #15 of 32 (permalink) Old Nov 26th, 17, 04:42 PM
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Re: Rear sizing with DSE mini tubs

I run 18x12 with my tubbed and narrowed Protour cars. With 6 1/2” BS.

Ran Wilwood 6 piston on one and C6ZO6 on another. F9 rear with big bearings.

Never experienced and issues with bearing or brakes.
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