90Q head / lifter questions

[Duncan Thomson]

Joshua van Tol wrote:

> Were the lifters clattering before you took it apart? If so, the soft  
> ones are probably the bad ones, but even so, the rest are probably  
> not in such hot shape either. They tend to wear as a set, and are  
> best replaced as a set.


Gentle ticking, but not half as loud as my CQ. Will look to replace the 
set if I can get them to NZ for a reasonable price, otherwise I may swap 
out worst ones for best ones from my spare engine, with an eye to 
replacing them during a possible future cam upgrade.

> The exhaust valve guides are indeed a press fit, but they have to be  
> reamed to size after installation. This isn't particularly hard to  
> do, but requires special tools.


Cool, I have access to the tools, and will make sure I have the right 
sized bits before touching the guides...

thanks
Duncan

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