[Fot] TR4 lower wishbone bushings

John Styduhar johnstydo at gmail.com
Tue Nov 8 17:59:59 MST 2016


Bill, the part number you referenced is for the later TR4A lower trunnion.
I think Bob is working with the early TR4 lower trunnion setup.

On Tue, Nov 8, 2016 at 1:07 PM, Bill Babcock <ponobill at gmail.com> wrote:

> I still don’t get it. I’ve replaced these things many times and never had
> to ream or hone anything.
>
>
> On Nov 8, 2016, at 10:06 AM, Dave <dlhogye at comcast.net> wrote:
>
> Hi Bill,
> The outer bushings are honed to fit the new trunnion.
>
> // Dave
>
> Sent from my iPad
>
> On Nov 8, 2016, at 9:42 AM, Bill Babcock <ponobill at gmail.com> wrote:
>
> When you say bushing, are you referring to the distance piece— 661-790?
> That is not supposed to rotate freely on the trunnion. The bearing surface
> is between the piece that goes over the trunnion arm and the poly or nylon
> bushing.
>
>
> On Nov 8, 2016, at 9:27 AM, Dave <dlhogye at comcast.net> wrote:
>
>
> Hi Bob,
> I had a machine shop hone them after I installed the bushings.  Low cost
> and done correctly.
>
> Dave H.
>
> Sent from my iPad
>
> On Nov 7, 2016, at 6:02 PM, Bill <ponobill at gmail.com> wrote:
>
> You shouldn’t need to ream them, the bushings I have always used fit as
> is.
>
>
> On Nov 7, 2016, at 1:21 PM, Robert Blake <rblake36 at yahoo.com> wrote:
>
> I am installing new bushings on the lower wishbones of my TR4 and my
> challenge is now to hone them to the right ID to fit properly on the
> trunnion.  I have not been able to find a hone small enough to fit the
> bushings.  Any suggestions would be welcome.
>
> Cheers,  Bob Blake
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