[TR] Aluminum Head Plug

Bud R levilevi at comcast.net
Thu Apr 3 09:36:05 MDT 2014

Try the "Right Stuff". I've used it to seal timing covers from the  
outside when I didn't have time to pull everything and the infamous  
leak at the bottom was too much.

It will seal just about anything but is a bear to get off of parts or  
pull parts back apart.

Bud Rolofson

Extreme Parts Racing (more than just a haircut)
71 Spitfire MK IV Race Car #3
69 Spitfire MK III (back up FE engine and dinghy car for RV)
70 Spitfire MK III (parts car, FE engine donated to race car)
71TR6 CC57365 (Good 6)
93 Minnie Winnie Race Support Vehicle
77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)

On Mar 30, 2014, at 2:22 PM, terryrs at comcast.net wrote:

> Hello everyone.  It took some doing, but I managed to tap, drill and  
> pry out the leaking aluminum plug on top of the TR3A head.
> Thought the worst was over.
> I used a copper brush in my drill to clean the threads, put the new  
> plug in the freezer and applied some gentle propane heat around the  
> hole.
> I tried gasket seal on the threads but I think it made a tight  
> situation worse, creating too much drag.  Got it maybe a quarter of  
> the way down before the soft aluminum started tearing.  , tested it,  
> and it leaked.  Now have removed it again.
> So, sensing I would bugger one up, I had ordered two of these little  
> plugs.
> Somebody on the List mentioned using Lock-Tite on the threads.  That  
> would make sense, it's a liquid lubricant for the threads until it  
> sets.  But would it seal well enough to keep water leaking out?  Am  
> wincing rather severely at the thought of a leaking plug installed  
> with Lock Tite!  Is there a better alternative?
> Has anybody replaced it with a hex bolt, or are the threads too weird?
> Terry Smith, '59 TR3A
> New Hampshire
> ** triumphs at autox.team.net **
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/levilevi@comcast.net

More information about the Triumphs mailing list