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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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Diameter of lower radiator hoseViews : 724 Replies : 12Users Viewing This Thread : |
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Jun 7th, 2019, 21:57 | #1 |
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Diameter of lower radiator hose
Gents
Can anyone tell me the ID of the lower radiator hose on a 1800. The point when it leaves the radiator? TIA Russ |
Jun 8th, 2019, 00:00 | #2 |
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Can't you just measure the diameter of the rad outlet pipe? The hose is just a sliding fit.
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Jun 8th, 2019, 15:31 | #3 |
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Jun 8th, 2019, 17:25 | #4 |
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pipe dia
i’m not in the UK but want to order both upper and lower hoses for a 1967 1800S with an OEM oil cooler delete.
i’m putting a fan switch in and need to know the hose ID. I’m thinking it may be best in the upper hose TIA Russ |
Jun 8th, 2019, 20:13 | #5 |
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Russ;
If you mean the Temp Sensor for the Elec Cooling Fan, I'm of the mind that should be located at the output of the Radiator, to sense when and increase in Rad effectiveness is called for, so the lower hose...see my notes on ECF here: http://www.sw-em.com/Cooling_System....ic_cooling_fan Cheers |
Jun 8th, 2019, 23:36 | #6 |
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thanks Ron
i’m going to install an inlnw connector to hose the switch. i could weld a boss to one of the radiator tanks but it’s a pain and bound to leak. i need to know which hose adaptor to use and hence what the hose ID is Russ |
Jun 14th, 2019, 11:43 | #7 |
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You're probably sorted on this Russ but I read the following on Brickboard today.
"If you do opt for a custom made radiator, have the inlet and outlet hose barbs made for 1 1/4" inner diameter hoses instead of the original 1". This allows for better flow but you will need to use some easily available parts. The thermostat neck needs to be the later 1 1/4" style and you will need to use the hoses for later 122 and 1800S which have 1 1/4" inner diameters." |
Jun 14th, 2019, 18:18 | #8 |
arcturus
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Personally I think that you are better off without the 'stat, based on personal experience. A simple on/off switch when required with perhaps a tell tale light.Just switch on when needed. Of course If you are doing away with fan that's a different matter. It's what I do, switch on in heavy traffic, hold ups etc.
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Jun 15th, 2019, 02:21 | #9 | |
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Quote:
Thanks again Russ |
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Jun 15th, 2019, 02:39 | #10 | |
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Quote:
The current electric fan was fitted a few years ago and came with the thermo bulb fitted into the top hose and incorporated a variable temp dial. In practise I never moved it from the set position. Hence why I’m doing away with a lot of the wiring and just incorporating a thermo switch in the top hose and an override with tell tale if I feel the need to manually start it or wire so it continues to run on shut down after a long hard run Russ |
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