Correct freeze plug size

[Joe Ammond <jra-triumph@twinight.org>]

The upper right freeze plug in my '74 1500 developed a leak.
I've removed it already (slide hammers are handy), but I'm
wondering what the correct replacement plug is.  I have
both a 1 1/2" plug, and a 39mm that seem to be the same size
and depth of the plug I removed, but which is correct?


Thanks!


ja.
-- 
Joe Ammond                                                  joe@ammond.org

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