[urq] WX head build recommendations
andrew.sb at gmail.com
Sat Apr 23 13:59:22 EDT 2005
So wait, can an MC head be used on a WX engine or does it require
modification? I apologize in advance that I didn't get it the first
time, but it sounded like you might need to close a passage?
I'm about to perform a head swap myself, and I'd like to do it right.
On 4/23/05, Graham Allan <allan at physics.umn.edu> wrote:
> > If I may...
> > What kind of pressure test are we talking about?
> The WX head cracks between the valves, causing leakage between the
> combustion chamber and coolant passages.
> I also started out intending to do a WX rebuild. Even got an entire
> running "known good" WX engine at one point (my original engine has bottom
> end damage, as well as the usual cracked head). Waste of time, the head
> on that also failed a pressure test. Now going with the flow and doing
> an MC transplant.
> Having said that - MC heads also appear quite prone to the same cracking
> (I had 3 of those heads fail pressure tests as well!). But at least there
> are a lot more of them around...
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