[TR] TR3/TR4 Oil Gallery Plugs

[Tony Drews]

As mentioned on the list, mine were removed via the "hot tank" method.  
That dissolves anything aluminum.

I threaded them to NPT and used steel plugs afterwards.  Maybe 1/2" 
NPT?  It's mentioned on the "uncle jack's engine building tips" but the 
tap diameter isn't in the text.

http://www.tonydrews.com/uncle_jacks_engine_building_tips.htm

Regards, Tony Drews


On 2/6/2018 8:23 AM, Bill Brewer wrote:
>
>      Has anyone on the list ever removed the oil gallery plugs from 
> the ends of a TR3/TR4 block? Are they threaded in or do they press in? 
> How did you get them out?
>
>      -Bill Brewer
>
>
>
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