Save That Temp Gauge!!
Ever tried to restore a car that some idiot had cut the Temperature gauge
capillary tube and twisted it back together. Of course it will never
work again and NOS gauges aren't abundant.
After sitting in rusty water,
of varying temperatures, for over a half century the brass bulb of the
temp sender can become quite "attached" to the head. Pulling on the
capillary tube will break it.
The
cure: After unbolting head, carefully tilt it up on the
block. Drill a hole no larger than 3/8" directly beneath the bulb.
(A friend or 3 arms are halpful in this process.) A gentle tap thru
new hole with a 3/8" rod will remove bulb safely. If you think it
might require a hard tap, grind the rod to a cup-shape so bulb won't bulge
and not slide out. Use liberal amounts of pipe dope when reinstalling.
I know this isn't easy, but I haven't found
a better way. The 3/8" hole will be deburred when you shave the head
and dead ends at the head gasket with no ill effect.
Photo below, if you're curious, is a 57 engine
in a 49 2-door fast back. He blew a head gasket between #4 &
#5.
If you have a broken Bourdon tube, Don't dispare, The Plymouth Page describes
how to repair them. Click here!! < http://www.ply33.com/Repair/tempgauge.html
> .
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