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Unread 04-10-2014, 07:02 AM   #1
indy24
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304 V8 heater hose size?

I was going to change out all of the hoses this weekend. What is the diameter of the 2 heater hoses? Thanks in advance.

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Unread 04-10-2014, 12:32 PM   #2
ASteve
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5/8 if I recall...but the one that connects to the water pump is 3/4. So, you'll need to put a straight fitting to reduce down to 5/8...

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Unread 04-10-2014, 07:10 PM   #3
indy24
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ok, thank you.
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Unread 04-10-2014, 11:56 PM   #4
82JeepCJ7
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I ran a short section of 3/4 off the water pump, then used a 3/4 to 5/8 reducer.Works great and zero leaks.
75774_431647253539551_1036013228_n.jpg

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Unread 04-11-2014, 05:44 AM   #5
tjeep1
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hoses

did same as above
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Unread 04-12-2014, 12:10 PM   #6
indy24
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OK, good info thanks! Looks good, and I like your air line set up also 82 if that's what it is.
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Unread 04-12-2014, 10:25 PM   #7
82JeepCJ7
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Yup, I used the York AC compressor to make it into an OBA system.

The intake for the compressor is plumbed up to the air cleaner on the engine so I would not have to run a separate filter on the intake of the compressor.
The discharge line from the pump goes though a check valve, then to an air/water separator, a "T" off that T a line goes in under the dash to the pressure gauge. On the back of the gauge is another T where the pressure switch is located. I ran a line to the back where I have a 7 gallon portable tank behind the rear seat. I used a portable tank so I can disconnect it from the system and use it away from the vehicle if needed. I also have an outlet on the front by the grill.




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