Thank you everyone that made suggestions on what to do.
I decided to start with the Helicoil solution as I had the items
necessary and figured if it did not work, I could go to plan B.
I put the Helicoil in and it is holding fine.
Thanks Everyone!
Roger Elliott
On 12/17/2012 01:10 PM, Glenn Franco wrote:
Roger
If you buy a helicoil thread repair kit for that size thread you will
find that half the inserts are half the depth of the standard thread
insert.
I think it's 5/16"x20 or 1/4"x 20.
I've run into this problem on my Spit racer and many engines I have
rebuilt in the last couple of years.
It worked on my race car. If their are any threads proud of the
surface, grind them off.
Everything you need to do the thread repair other than the drill is in
the kit.
Another fix would be to fill the hole with weld, re-drill and tap.
It's a bit difficult to drill the weld however.
Glenn
----------------------------------------------------------------------
Message: 1
Date: Sun, 16 Dec 2012 14:17:46 -0600
From: Roger Elliott <[email protected]>
To: Spitfire list <[email protected]>
Subject: [Spits] Top Timing cover Screw
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
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
------------------------------
Message: 2
Date: Sun, 16 Dec 2012 15:31:59 -0600
From: "Bill Gingerich" <[email protected]>
To: "'Roger Elliott'" <[email protected]>, "'Spitfire list'"
<[email protected]>
Subject: Re: [Spits] Top Timing cover Screw
Message-ID: <000b01cddbd4$c8cd2650$5a6772f0$@com>
Content-Type: text/plain; charset="us-ascii"
I think I put a helicoil in the block on mine.
BillG
-----Original Message-----
From: [email protected]
[mailto:[email protected]] 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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