[Supras] Interesting problem...

[Jim Jobe]

I've popped freeze plugs on two seperate occations.  My problem was
that my machine shop used Doorman freeze plugs which were a few thousands
too small.  I replaced the drivers side only the first time because
the passenger side plugs wouldn't move when tapped with a hammer and
punch.  2 years later on the passenger side one popped out completely
and another was pushed out far enough to be pulled out by hand.  All
appeared to be installed to the proper depth initially.

I run a Fluidyne radiator with a 16psi cap.

On Fri, Jul 13, 2007 at 02:18:32PM -0500, Rich Peacock wrote:
> I was toying with a motorcycle a few weeks back with my 87T and after 
> shifting to 2nd gear I smelled coolant so I shut the engine down and 
> coasted to a parking spot, and had the car flatbed to my work.  I 
> inspected the car today and instead of just having a hose pop off / 
> break like I expected, I've actually popped a freeze plug!!!  It's the 
> front most DS plug.  I run a 13lbs. coolant cap and have had no cooling 
> problems with the car in terms of overheating.  The motor has 20,000 
> miles on it and is running 425+RWHP.  Luckly, I don't have an AC 
> compressor, so it'll be relatively easy to replace. 
> 
> Why would a freeze plug "just come out"?  I've never seen such a thing.
> 
> 
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