R122;
"i will have to take the head off remove the plug and retro fit a 90 degree section"...I don't know about you, but I would expend a fair amount of effort and creativeness to access and remove that plug, without removing the Cyl Head!...if I understand a "sunken allen key design" right, wouldn't simply shortening the short side of an Allen wrench be enough...?...that departs the hole at right angles and would take very little room between engine and firewall, but would allow applying torque to remove...
And the state of Heater Loop return into the Water Pump still interests me...
Cheers
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