Tad:
You mean the energiser bunny engines??
My experience with the MGC was that the cars would bury their noses
into stationary objects long before the engines would wear out.
Much less loading, and less liklihood of aggresive high revs
driving. Most of the time the engine was just loafing.
I know, I know. This doesn't describe the fire breathing antics of
some of our incorrigable list members who own MGCs'.
Interesting enough. When we went to build a hot 1275cc engine, we'd
look for Austin America heads. The single valve springs and easier life
mean't that the exhaust seats wern't hammered. Most of the AA heads were
suitable for regrind, whereas the Spridget ones would tend to need at least
a couple of seats.
Kelvin.
>
> What about the C-series 2912 engine :)? I just torm my head
> down and only
> had carbon deposits to remove. Seats where still good. And
> yes it is an
> original 1969 head.
>
> Just my 2pennies.
> Tad R.
> Each Persons Mileage May Vary (EPMMV) but I go on record
> stating that
> > exhaust valve seat longevity is a limiting factor in A
> Series and B Series
> > engines.
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