I raced a 200hp GT6 for many years with a full circle thrust bearing pinned
to the bearing cap with two 3mm bronze pins with no problems over many years
of rebuilds. I made a drill jig to redrill new thrust bearings .
Geoff Byrne
----- Original Message -----
From: "Ted Schumacher" <tedtsimx@bright.net>
To: <Gt6steve@AOL.COM>
Cc: <FOT@autox.team.net>
Sent: Tuesday, July 19, 2005 2:58 AM
Subject: Re: securing thrust washers
> Steve, makeup brass pins. These are then "driven into pre-drilled holes.
> As teh t/w wears down, the crank may contact the brass pin. Since it
> is brass, and much softer than the thrust surface ont eh crank. the
> crank will not be harmed. BTW, end float should be around.004" Ted
>
> Gt6steve@AOL.COM wrote:
>
> >Greetings Amici,
> >
> >Last race the GT6 endured the destruction of the thrust face on my brand
new
> >hi-Dollar crankshaft. Initially I suspected I'd put the rear thrust
washer
> >in backwards but when I found it in the pan I confirmed this was not the
> >case. As yet, I don't have a theory as to why it failed but I'm leaning
toward
> >inadequate clearance for the RPM's. It was right at .006.
> >
> >My proposed solution will be to grind the crank rear thrust face smooth
> >again and add a spacer behind the rear thrust washer to compensate. I'm
looking
> >to set the block up in the drill press and bore both faces from the top
in
> >the relieved area of the washers. Here's where I get a bit loose. I'm
> >imagining I'd use brass flathead screws in probably 6-32 thread????????
Anybody
> >have any suggestions or comments on how they did it? I've read for
years these
> >need to be "silver-pinned" but I've no clue what that is?
> >
> >Any help would be appreciated...
> >
> >Thanx, Steve Smith
> >
> >
> >
>
> --
> Ted Schumacher
> tedtsimx@bright.net
> http://www.tsimportedautomotive.com
> 108 S. Jefferson St.
> Pandora, Ohio, USA 45877
> Fax: 419.384.3272 (24 Hrs.)
> Phone: 800.543.6648 (US & Canada)
> Tech/ Gen. Information/ Worldwide: 419.384.3022
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