Author Topic: Anti-Rotation Bracket Ideas - 57-64 Olds  (Read 10788 times)

Offline Countn Carbs

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Anti-Rotation Bracket Ideas - 57-64 Olds
« on: February 23, 2017, 01:53:03 PM »
Roo - I'm curious what you (or others) recommend for an anti-rotation bracket set up on a 57-64 olds rearend. What you've done, anything available off the shelf...etc...
« Last Edit: February 23, 2017, 03:17:18 PM by Countn Carbs »

dreracecar

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #1 on: February 23, 2017, 03:07:09 PM »
Back when the magnezium cases were around, they had a flange at the front that was used , but with the stock case, you can weld 2 tabs to the bottom of the RE housing and come up off the bottom of the chassis.

Offline Countn Carbs

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #2 on: February 23, 2017, 03:14:53 PM »
I gotcha...so maybe like a couple of 3/16" thick tabs for a 7/16 grade 8 bolt - or something along those lines?

Offline Paul New

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #3 on: February 23, 2017, 04:42:58 PM »
Here you go buy this set up it has a bolt pattern on the front to add the anti rotation plate

https://portland.craigslist.org/clk/pts/5968963019.html

dreracecar

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #4 on: February 23, 2017, 05:51:59 PM »
That early Olds housing will not take abuse of current tires and sticky tracks

Offline rooman

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #5 on: February 24, 2017, 04:25:23 AM »
I gotcha...so maybe like a couple of 3/16" thick tabs for a 7/16 grade 8 bolt - or something along those lines?

You are on the right track mate! The NT/F spec calls for a pair of .875 x .058 tubes that can be either welded or bolted to the frame with at least two Grade 5 or better 3/8 bolts. The tubes can come together and be bolted to the rear axle housing with a single Grade 5 or better 3/8 bolt in double shear or with a pair of the same in single shear.

Roo
Yeah, I am from the south--any further south and I would have been a bloody penguin.

Offline rooman

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #6 on: February 24, 2017, 08:50:09 AM »
Here you go buy this set up it has a bolt pattern on the front to add the anti rotation plate

https://portland.craigslist.org/clk/pts/5968963019.html

Paul,
        that rear end is the early small Olds so it would not have fitted anyway.

Roo
ps The seller is Earl Floyd who has quite a history in the sport, check the 4th paragraph:
http://cacklefest.com/Northwind.shtml
We had an interesting chat just now when I purchased the parts--thanks for the lead.

Roo
Yeah, I am from the south--any further south and I would have been a bloody penguin.

Offline Paul New

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #7 on: February 24, 2017, 09:14:19 AM »
Here you go buy this set up it has a bolt pattern on the front to add the anti rotation plate

https://portland.craigslist.org/clk/pts/5968963019.html

Paul,
        that rear end is the early small Olds so it would not have fitted anyway.

Roo
ps The seller is Earl Floyd who has quite a history in the sport, check the 4th paragraph:
http://cacklefest.com/Northwind.shtml
We had an interesting chat just now when I purchased the parts--thanks for the lead.

Roo

I knew it was in Earls collection he has some cool old stuff! I do not know any thing about the early Olds stuff but knew someone needs it!

Offline Countn Carbs

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #8 on: February 26, 2017, 08:38:52 AM »
I have the rearend tack welded in the car now at the preferred ride height but i  only have about a half inch from the bottom of the rearend housing to the bottom of the chassis.  I hate to move the rearend up higher in the car if I don't have to.
Any ideas with only having a small area under the car to deal with? Or just make the brackets and if it hangs down no big deal???  As long as it's not below the scrub line?

dreracecar

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #9 on: February 26, 2017, 04:28:17 PM »
What are you doing???? ???

Offline dwrfab

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #10 on: February 26, 2017, 04:31:33 PM »
I hope you are going to weld a tube in front of the mount plates. They need to be welded completely on one side and skip welded 1" skip welds on the other.
My life is my wife and building dragsters and parts.  My web site is www.donrossfab.com

Offline crider

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #11 on: February 26, 2017, 05:24:40 PM »
Kinda looks like you have the whole drivetrain mounted too low in the chassis?

Offline Countn Carbs

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #12 on: February 26, 2017, 05:53:19 PM »
I hope you are going to weld a tube in front of the mount plates. They need to be welded completely on one side and skip welded 1" skip welds on the other.

Yeah sorry - I should have clarified this and thank you for the advice.  I still have to fit/cope them but the plan is for 1.500 O.D vertical tubes (.125" wall) with the mounting plates then welded like you described.  I just tacked this in to see what I was going to do for anti-rotation set up.
« Last Edit: February 28, 2017, 09:24:44 AM by Countn Carbs »

Offline rooman

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #13 on: February 27, 2017, 03:31:34 AM »
Kinda looks like you have the whole drivetrain mounted too low in the chassis?

I agree. As it sits now it appears that you will have something like 9" or 10" of ground clearance with any sort of reasonable tire diameter.

Roo
Yeah, I am from the south--any further south and I would have been a bloody penguin.

Offline janjon

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Re: Anti-Rotation Bracket Ideas - 57-64 Olds
« Reply #14 on: February 27, 2017, 05:40:37 AM »
What will the kidney bars look like?
Just keep the same amount of stuff on the right
as there is on the left. Seeing straight ahead is highly overrated....