Yes, you can slip 1/2 copper tubing into the 1/2 inch hose and then
put the 1/2 into the 5/8. But its a loose fit and I didn't want to trust
the clamp holding the 13 - 16 psi in the hose. I felt the soldered
adapter was better. But 6 to one...... I have even seen
some people put well lubed 5/8 copper into the 1/2 hose. This
will not work if the 5/8 pipe has a barbed end.
I presume we are talking about running a 5/8 heater hose to the
1/2 heater core eliminating the 'T' fitting that had a line from the
carb base plate. Or are you skipping a leaking heater valve.
Speaking of heater cores. What is a good, boiled out, and
pressure checked heater core worth? A fellow owner had his
core fail and is looking for a replacement. I happen to have
this core in my spares.
Dave Johnson
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