[urq] WX head build recommendations

[Bill Bennett]

no putting an MC head on a WX would beyond mickie rigging, you would have to 
weld or glue return passages on the head. no way, a mickey mouse repair at 
best. and IMHO hydraulic lifters suck
 Bill
----- Original Message ----- 
From: "Andrew B" <andrew.sb at gmail.com>
To: <urq at audifans.com>
Sent: Saturday, April 23, 2005 10:58 AM
Subject: Re: [urq] WX head build recommendations


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.

-Andrew

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...
>
> Graham
>
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