[Spridgets] Racer guys Engine help

[Lester]

Thanks Colin!

But that means that the solid adjusters (without the oiling hole) won't fit my
rockers right ?  Argghh...  Ron has already sent a spare my way.  Thanks again
Ron!

Lester


On Jul 21, 2014, at 4:41 PM, 'Colin Dodds' colin at spriteparts.com.au [bugeye]
wrote:

>
> G'day Lester
>
> BMC only made 30 million Minis and they each had 8 adjusters.  And that's
not counting Sprite, MG Midgets etc etc.  There should be plenty of used
adjusters out there.
>
> They are two different sizes.  The 948cc, 998cc and 1098cc engines had 7/32"
BSF (28 tpi) thread with the oiling hole, fitted with 7/16 AF lock nuts, and
it's not uncommon for them to break just as yours did.  Most of the 1275cc
engines had 1/4" UNF (28 tpi) thread with no oiling hole, fitted with 1/2" AF
lock nuts, and they're much stronger.
>
> So the first step is to determine which size you have.  Fortunately that's
easy because of the different nut size.
>
> If the lock nuts are 1/2" AF I suggest you replace all of your adjusters
with 8 new ones.  One of yours just broke, the others might be about to break,
and you don't want to do this job again.
>
> If the lock nuts are 7/16" AF, I suggest you replace the entire rocker gear
with a set from the later 1275cc engine.
>
> hope that helps, and avagoodday
> Colin
> www.Spriteparts.com.au
>
> __._,_.___
> Posted by: "Colin Dodds" <colin at spriteparts.com.au>
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