[Healeys] 100 engine prices

David Nock British Car Specialists healeydoc at sbcglobal.net
Thu May 9 09:15:48 MDT 2013

The 100 cylinder head is so prone to cracks that we will rarely try
to fix them any more. The problem is you will chase the cracks around
the head for ever.

The best answer is to just bight the bullet and install an aluminium
head. Yes i know they are $$$$$$ but they are far superior, flow
better, lighter, will not crack and run cooler.

I have probably 25 cast heads and would be lucky to find one the isnt
cracked. If i did once you rebuild that head correctly you got a lot
wrapped in a ancient design head.
  Clean and Mag head, surface, repair and minor cracks, install new
seats, guides, valves, springs, grind seats, and next thing you know
you have about $800.00 to $900.00 in a head
  that is just going to crack again.

Also remember that the head studs will stretch and the old copper
style head gaskets leak. So you should also install the upgraded
studs and head gasket.

David Nock
British Car Specialists
Stockton Ca 95205



Please feel free to view an interview with the Nock's in 2009

On May 8, 2013, at 7:20 PM, Greg Lemon wrote:

> I had a crack in my head welded as well, pretty much the same
> experience, the local machine and welding shops said there was one
> guy locally who could do it, and it was described as anywhere from
> an craft to a black art that few could master, and I do remember
> part of the explanation of doing it right was bringing things up to
> the right temperature.
> I asked the guy who did it if it would be weak or I should worry
> about it, he said he wouldn't do the work if it wasn't going to
> last.  Although I didn't keep the car real long after the work was
> done, it certainly seemed to hold up fine for the time I had it.
> It can be done if you find the right guy to do it, who by the way
> before you ask either closed his shop or moved away or both since
> that time.
> I would think the value of an uncracked head would be significantly
> more than $200 even for a friendly local deal, maybe twice that or
> more?  used to be E-bay was a good place to check for prices, but
> it seems like more and more it is full of people listing the same
> thing over and over again for ridiculous prices, plus cheap stuff
> from the Pacific Rim, and not so much hobbyists selling to each other.
> Greg Lemon
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