[Fot] valve guide removal

[Bill Babcock]

I've never done this myself on a TR head, but the way I used to do it  
for motorcycles was to drill the guide with a slightly larger drill  
until it was flush with the head, then heat the head to about 300  
degrees in an oven and drift out the guides with a stepped drift. Of  
course these are small heads and they are aluminum.

On Jan 24, 2008, at 5:19 AM, Gt6steve at aol.com wrote:

> Safest way is to drill them to a size near 1/2" and then collapse   
> them.
> Driving them introduces a slight risk of dragging the hole.   Most  
> likely you can
> lube them with your favorite penetrant and drive them  out.
>
>
>
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Bill Babcock
Babcock & Jenkins
Billb at bnj.com
503.936.7660
www.bnj.com