Topic: Idler Arm 67-70 w/PS

[jwc66k]

Here's an interesting and, not so unusual, contradictory listing in the 75 edition of Ford Car Parts (aka MPC), Section 30 page 22 (available in the Forum's Library):
The service stock number for 67 thru 70 manual steering is C7ZZ-3350-B (power is C7ZZ-3350-B), and for 71 on is D3OZ-3355-A (for M/S and P/S). At the bottom of the page is a note that pertains to 69 on:
"Attaching parts serviced in assy. only due to swagged bracket end".
That note implies the swagged/peened end was used from 1969 on and does not apply to 1967 and 1968, but the service replacement covers from 1967 thru 70.
Like I said, "contradictory".
Jim
Note: In every query regarding hardware, I research to add or correct the Mustang Hardware Spreadsheets. My original entries were based on the Mustang Assembly Manuals. If the hardware item was not listed in those manuals I "defaulted" to Ford Car Parts, only when the hardware item was questioned. As the are over 5500 pages to review, I declined to spend additional research time except for situations like this.

[Bob Gaines]

Odd note given assemblyline idlers from 67 and 68 are "swagged /peened" the same way as 69.

[jwc66k]

Odd note given assemblyline idlers from 67 and 68 are "swagged /peened" the same way as 69.

Like I said, "contradictory".
Jim

[chockostang]

Yes, all were compressed threads to achieve the no loosing of the Acorn nut..

[jwc66k]

Yes, all were compressed threads to achieve the no loosing of the Acorn nut..

It is not an "Acorn Nut". It is closer to a "Cone Nut". By definition, an Acorn nut has a closed end and no threads are exposed. As such, without exposed threads, you cannot deform, peen or swag the threads. Do not confuse the children with the misnamed nut.
Jim

[chockostang]

Learned as a acorn nut 40 years ago, it will stay that way in my vocabulary.  You call it whatever.  No problem.

[midlife]

It is not an "Acorn Nut". It is closer to a "Cone Nut". By definition, an Acorn nut has a closed end and no threads are exposed. As such, without exposed threads, you cannot deform, peen or swag the threads. Do not confuse the children with the misnamed nut.
Jim

You calling me a child, or a misnamed nut?  Hmmmm?  Deformed with a swagger, I can accept...

[chockostang]

Did not get the child thing either--Just let it go?

[67gtasanjose]

Jim has provided a picture of a nut (his 2nd image).

Is this what we should see? Absolutely nowhere in this thread has anyone showed an original assemblyline image of the nut in discussion (only in a drawing).

[67gta289]

Richard, Marty posted a picture of one in reply #8.  I pulled that off a 69 Mustang 390 manual steering junkyard car.  Slightly pitted 

[67350#1242]

I have been wondering about the differences between the manual and power steering arms. I do not have a original manual to compare.

I know the shaft for a manual has a oval hole in it between the mounting holes where the power one has none. Was the hole for identification purposes?

I know there is a difference in the lower bushings

Is the arm the same for PS and Manual? If so could you use a manual arm for PS by changing the lower bushing?

You could adapt the manual arm by making a sleeve as Chock says, but the brackets or shafts are different.  The power bracket is formed to move the arm about 1/2" lower than the manual, so you would have to use the power steering bracket.