IML: '67 440cid freeze plugs

[therichardsonfamily@xxxxxxxxxxx]

Hi everyone:

Can anyone confirm the diameter of the freeze plug in the head on my '67 Imperial 440cid?  The local auto parts store shows 1&1/2".

Also, any issues with using the rubber type of plug in the head?  I'm trying to do this with the engine in the car, I think the rubber kind will be easier.  The bad plug is on the passenger side between the back 2 exhaust ports, behind the exhaust manifold.  Is the rubber plug OK next to all that heat?  It is a somewhat temporary fix, and I'm prepared to do it again, if needed.  I just want to get her running again.

When I pull the exhaust manifold, I'll need a new gasket.  Any special choices on the type?  Do I use a high heat gasket sealer on it?

Thanks for any tips offered.

Dan Richardson
'67 Imperial (engine in my '65 300L Family Heirloom)



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