We didn't go the helicoiil route as in time some of
those pull out. It was easier to just drill & tap to a
hair size larger thread...
PS We also like the wood filler pieces.... LOL!
Engineering at its best!
Don & Henry
--- Nick Moseley <nmoseley@dccnet.com> wrote:
> Apologies for the cross-posting.
>
>
>
> In the continuing saga of the engine purchased at a
> good price, fully
> rebuilt, I checked main bearings and they were
> indeed brand new. Ahh, that's
> nice.
>
> However, the threads into the aluminum block called
> a "filler piece", at the
> front of the engine holding the two front sump (oil
> pan) bolts, are well and
> truly stripped.
>
>
>
> As I understand it, the options are:
>
> -helicoil to replace the threads, means added
> expense of a helicoil kit,
> plus the (very real) possibility that I'd drill the
> new holes at an angle
>
> -new aluminum block, but I recall this coming up
> before, so it must be a
> weak point
>
> -new metal (instead of aluminum) block (filler
> piece), I remember seeing
> these on e-bay in the past, but can't find them
> lately. Anyone know the
> seller?
>
> Any preferences? One misgiving about the metal block
> relates to why Triumph
> would use aluminum in the first place if it didn't
> need it, but there is not
> always a rhyme to their reason.
>
> Comments welcome.
> Nick Moseley
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