A link below will take you to the McMaster Carr catalog where they list
various thread inserts. Naturally, most of those repair methods involve
special tools for insertion.Not sure if there is enough room for these or
not. Sounds like a heli-coil is out of the question based on the plate
thickness. Is there room to use a jam nut (skinny nut) on the back of the
plate?
http://www.mcmaster.com/#standard-rivet-nuts/=kmgbbf
Alex Thomson
-----Original Message-----
From: spitfires-bounces@autox.team.net
[mailto:spitfires-bounces@autox.team.net] On Behalf Of Roger Elliott
Sent: Sunday, December 16, 2012 7:10 PM
To: 'Spitfire list'
Subject: Re: [Spits] Top Timing cover Screw
Hi All,
Several people have suggested Helicoils, which I mus confess I did not think
of.
The engine front plate is only about .160 inches thick, whereas the helicoil
is about .320 inches deep.
Would the depth difference cause a problem?
Thanks,
Roger Elliott
On 12/16/2012 03:31 PM, Bill Gingerich wrote:
> I think I put a helicoil in the block on mine.
> BillG
>
> -----Original Message-----
> From: spitfires-bounces@autox.team.net
> [mailto:spitfires-bounces@autox.team.net] On Behalf Of Roger Elliott
> Sent: Sunday, December 16, 2012 2:18 PM
> To: Spitfire list
> Subject: [Spits] Top Timing cover Screw
>
> Hi All,
>
>
> I am putting my engine back together. One of the screws at the top
> timing cover, is held in by the the front engine plate being threaded.
> Right behind that screw is the mounting bracket for the alternator.
>
> Well, the threads in the engine plate are to stripped to hold the
> screw, and I can't put a nut on the backside of the plate as the
> bracket does not allow room for one.
>
> Has anyone else run into this problem? Did you find a solution?
>
> I have thought about using JB Weld, but I am not sure it is the best
> solution.
>
> Thanks,
> Roger Elliott
> 80 Spitfire
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>
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