I'm sure the heater core dissipates some heat, but if the radiator's working well enough, it will pick up the slack.
Heater hose on intake?
Thread Starter
Instructor
Joined: Dec 2007
Posts: 245
Likes: 2
From: Jersey shore NJ
Heater hose on intake?
I am putting on a new RPM intake and was thinking of not hooking up the heater hose. Should I just plug up the hole in the intake or do you need to run a short piece of hose back to the water pump?
Burning Brakes
Joined: Nov 2006
Posts: 893
Likes: 7
From: Orange Park Florida
I've disconnected the heater hoses on several old cars (I lived in Florida) and always ran a short loop-back hose. Don't know if it is critical but it seems like a logical solution - smooth water flow..
Le Mans Master
Joined: Nov 2008
Posts: 5,691
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From: columbus oh
Race Director
Joined: Nov 1999
Posts: 10,643
Likes: 8
From: Foxfield CO 1970 Convertible
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Verdad Gallardo
Race Director
Joined: Dec 1999
Posts: 19,610
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From: Forked River NJ
I live in NJ also and have not had to use the defroster but heat you bet. I have driven on some mornings that are pretty cold. Sure is nice to have a little heat. 
BTW yes I agree with others just the plugs are needed. No bypass hose.
BTW yes I agree with others just the plugs are needed. No bypass hose.
Team Owner
Joined: Jan 2006
Posts: 37,637
Likes: 3,118
From: Crossville TN
If the heater core is damaged or plugged, you can just block off the outlets. If you just don't like the way that hose is routed over the A/C compressor (don't know if that's the reason for your question, or not), just reroute that hose under the compressor. If you do that, you can also put a lever-type water shut-off valve in that line [below the compressor] and it will hardly be noticible.
