Dave :
You will definitely have to block the other heater line somehow. If you
can, unscrew the fitting at the water pump housing, and replace it with
a brass 3/8" pipe plug. Otherwise, put some 1/2" heater hose on the
return line, and clamp a 1/2" bolt (or something) in the open end.
Blocking the line won't cause any problems, as this is effectively the
same as closing the heater valve. Cars delivered without heaters had a
plug in the WP housing and in the head.
Personally, I wouldn't trust the heater valve not to drip under
heat/pressure. At a mimimum, disconnect the line from the valve to the
firewall.
Randall
David Moag wrote:
>
> Hello Listers,
>
> Well I actually started the car for the first time from INSIDE the car. It
> needs a little fine tuning, but did just great for the little bit I ran it.
> So it was time to fill up the radiator. All went fine, no leaks from
> anywhere, and then I heard a dripping sound. Water was flooding back through
> the heater pipe on the firewall on the driver side and filling up the
> interior. Eventually it dripped and I heard it. The interior is still pretty
> much stripped bare so no big deal.
>
> But --- what do I do about those heater pipes. I have the header feed line
> turned off at the block, and got no water on the passenger side. Did I just
> overfill the radiator and cause it to wash back into the car? I was not
> planning on hooking the heater up when I first test drive the car. Do I have
> to in order to stop hot water from dumping in my lap? Any problem with me
> just sticking a cork in the opening for the time being? Living in LA having
> the heater in the car is rather far down my list at the moment. Having the
> car move forward for the first time since I've owned it is at the top of the
> list, however.
>
> Thanks,
>
> Dave Moag
> 62 TR3B
> 77 Spitfire
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