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[Andy B]

....

Now, the K was one of the first all alloy engines for mass produced cars.  ....

not quite the same volumes as a Rover, but Reliant used an all alloy engine for the Regal in the 60's   

hillman imp as well,although they had there own set of cooling issues

Which often ended in HGs letting go...

So ... the thread has gone full circle then. When are you taking the head of your K series?     

[Marks DTM Calib]

Rover V8 was all alloy and its first guise, the Buick 215 hit a production run of 750000 units! (thats more in 3 years than Rover produced of its version in its ENTIRE production 40 year run!).

[unclelicklug]

Hillman Imp HGs - changed a few of those in my time.
But while they probably were a weak area it wasn't helped by the water pump leaks leading to top ups with water and hence dilution of anti freeze/inhibitor. From there it's a short step to the rad etc coating up with deposits and massive reduction in cooling efficiency.
And then the HG would go - and normally keep on going...

[TheBoy]

Opps, forgot to round this thread off.

Full marks to MDTM, it was indeed the inlet gasket.


To everyone else, don't be suckered in to the K Series = HG failure myth.  Thats like saying V6 cam covers warp

[albitz]

Rover V8 was all alloy and its first guise, the Buick 215 hit a production run of 750000 units! (thats more in 3 years than Rover produced of its version in its ENTIRE production 40 year run!).

Wasnt the Buick version cast iron though ? :-/

[bluey]

There is a very insightful article on a website written a few years back about the K which argues a lot of common misconceptions very well and is deffo worth a read for any F or Elise owner.  Have a look here

[bluey]

Rover V8 was all alloy and its first guise, the Buick 215 hit a production run of 750000 units! (thats more in 3 years than Rover produced of its version in its ENTIRE production 40 year run!).

Wasnt the Buick version cast iron though ? :-/

It was alloy.  It was discarded due to the Americans starting to use thinwall casting techniques that reduced their dry weight, which meant they shed a few pounds and cost less to make than an alloy version. Oh, and they had a great time with coolant problems on them too.  Ironic eh?

Anyway, other all-alloy engines off the top of my head include Jag V12, Coventry Climax FWE, Daimler V8 and one I can't remember now!