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Old 01-08-2017, 12:10 PM   #1
1966FLEETSIDE
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Heater hose

Need help running my heater hoses to my 350 sb,exact location,they are currently plugged any pics would help thank you.
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Old 01-08-2017, 02:28 PM   #2
The Rocknrod
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Re: Heater hose

I believe hot coolant is supposed to flow out of the intake manifold, through the 5/8" hose, and into the heater core. The outlet/return of the heater (3/4" hose) is hooked to that fitting on the water pump.
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Old 01-08-2017, 04:26 PM   #3
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Re: Heater hose

Correct you want the hotter coolant coming from the intake manifold to flow through the 5/8 hose to the core, then return to the water pump through the 3/4 hose. I've seen this in reverse and the heater will have problems.
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Old 01-08-2017, 05:29 PM   #4
1966FLEETSIDE
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Re: Heater hose

Great info,thank you fellas
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Old 01-09-2017, 01:10 AM   #5
1966FLEETSIDE
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Re: Heater hose

Oh by the way does anyone know the lengths of the hose
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Old 01-09-2017, 02:29 AM   #6
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Re: Heater hose

I'll try to measure mine tomorrow.
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1988 Sportster, 2008 Street Glide

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Follow on Instgram: @cv_performance
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Harley Performance Parts: CV Performance (Harley related)
Enjoying the ride!
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Old 01-09-2017, 12:57 PM   #7
1966FLEETSIDE
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Re: Heater hose

Kenfuzed i would apreciate that berry much
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Old 01-11-2017, 11:52 AM   #8
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Re: Heater hose

Sorry forgot to post the measurement previously. Mine are 36" long. You could probably get away with them slightly shorter.
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1988 Sportster, 2008 Street Glide

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Follow on Instgram: @cv_performance
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Harley Performance Parts: CV Performance (Harley related)
Enjoying the ride!
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Old 01-11-2017, 12:06 PM   #9
1966FLEETSIDE
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Re: Heater hose

Thx ken,
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