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> heating/cooling layout for '74 2.0
rditech
post Jul 13 2006, 07:40 PM
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Hello i was wondering if anyone can point me in the direction to a layout for the blower/hoses running off the heat exchangers. It appears my passenger side vertical elbow goes up to... nothing but my blower motor only has one attachment not like others i've seen. (IMG:style_emoticons/default/WTF.gif) just trying to put the little monster back together...it's been 3 weeks (IMG:style_emoticons/default/mad.gif)
thanks
ryan
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Dave_Darling
post Jul 14 2006, 02:44 PM
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The 70-72 cars had a more or less centrally-mounted heater blower fan with two outlets on it. One hose went to each of the J-tubes that go down through the engine tin.

The 73-74 cars had the blower fan moved to the left side of the engine bay, and it only had a single outlet. There was only one hose connected, and it ran to the driver's side J-tube. The passenger's side J-tube had a plastic cap on top of it. (This sounds exactly like what you've got.)

The 75-76 cars had the same heater blower, but there was a splitter on the outlet of the fan. One hose ran to each J-tube.

I got a (used) splitter from Rich at High Performance House a bunch'a years ago, about the same time I put SSIs on my 74 2.0. Now I have more than enough heat for N. Cal. On my old 74 1.8, someone had used a PVC plumbing T and just laid it on top of the engine with the hoses connected to it. I think I'd prefer a "Y" fitting, and I'd try to put it up somewhere more out of the way if I went the Home Depot (AKA "Trekkor Special" (IMG:style_emoticons/default/wink.gif) ) route.

--DD
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