Richard,
Been there, done that. The HeliCoils work well for this application.
Actually, in the William's book he suggests this as a upgrade before you
even strip out the threads. Wish I had done it before I reinstalled the old
front block (the 1st of 2 times).
Peter
'68 TR250
on 9/17/02 4:18 PM, Richard Seaton at rsh17@msn.com wrote:
> I have the threads on the aluminum sealing blocks (front and rear) striped
> out where the oil pan bolts to them. Is the material to thin to use heli coil
> inserts. The threads are 5/16-24 and I will have to drill them out to 7/16" to
> accept the insert. What I'm concerned about is if I drill this size hole the
> metal will become to thin. How have others on the list fixed this problem, as
> I'm sure I'm not the only one to run across this problem. Could I use that
> epoxy material that you can mix then tap it? I'm not sure of what the exact
> product is called (liquid metal?)?
>
> Thanks in advance for your reply!!
>
> Richard Seaton
> RSH17@msn.com
> View My restoration @ (http://groups.msn.com/Richards69TR6Restoration)
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