Lotus Elan

Heater Valve...

PostPost by: nomad » Thu May 26, 2022 9:57 pm

Friends have been telling me that the current crop of Brit heater valves for other cars are junk so thought you folks might be interested in an alternative.

https://www.ebay.com/sch/i.html?_from=R ... sacat=6000

Currently changing one out so i'll let you know.

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PostPost by: promotor » Fri May 27, 2022 2:42 pm

nomad wrote:Friends have been telling me that the current crop of Brit heater valves for other cars are junk so thought you folks might be interested in an alternative.

https://www.ebay.com/sch/i.html?_from=R ... sacat=6000

Currently changing one out so i'll let you know.

Kurt


It's good to see the threaded part that would screw into the head is brass - the aluminium ones screwed into an aluminium head are going to give some headaches down the line!
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PostPost by: Elanman99 » Fri May 27, 2022 6:26 pm

promotor wrote:
nomad wrote:Friends have been telling me that the current crop of Brit heater valves for other cars are junk so thought you folks might be interested in an alternative.

https://www.ebay.com/sch/i.html?_from=R ... sacat=6000

Currently changing one out so i'll let you know.

Kurt


It's good to see the threaded part that would screw into the head is brass - the aluminium ones screwed into an aluminium head are going to give some headaches down the line!


But is it brass?

I looked at several of what appear to be standard images on the ebay listings and I think the threaded stem could be plated steel. There looks to be a blob of weld on the hexagon part and brass is pretty hard to 'weld'.

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PostPost by: Andy8421 » Fri May 27, 2022 8:41 pm

Brass can be gas welded as well as mig and tig.
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PostPost by: elans3 » Fri May 27, 2022 11:12 pm

I think it's plated steel too.
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PostPost by: 2cams70 » Fri May 27, 2022 11:27 pm

It’s always best to use an appropriate sealant on such threads (eg. Loctite 567)

The sealant prevents contact of the threads with the coolant and makes for things being much, much easier to dismantle the next time.
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PostPost by: h20hamelan » Fri May 27, 2022 11:52 pm

4 Seasons is typically okay-fair quality. I have used their blower motors in the +2 in-place of the original, and have one for the S4.
I wont comment on their heater-cores, as I believe they and rads etc are made in China. 4 Seasons still has USA and Mexico manufacturing
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PostPost by: nomad » Sat May 28, 2022 12:58 am

I have a couple of these valves that I was going to fit to Sprites and Midgets years ago. They are cad plated steel, not brass. Was already to tackle this job when I posted but discovered that I will have to raise the engine an inch or so to unscrew the old valve and raise it even more to fit the new. Runs into body panels. Sooooo, looking like I'll do it when I get a round Toit! :roll:

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PostPost by: promotor » Sat May 28, 2022 6:45 am

nomad wrote:I have a couple of these valves that I was going to fit to Sprites and Midgets years ago. They are cad plated steel, not brass. Was already to tackle this job when I posted but discovered that I will have to raise the engine an inch or so to unscrew the old valve and raise it even more to fit the new. Runs into body panels. Sooooo, looking like I'll do it when I get a round Toit! :roll:

Kurt


Thanks for clarifying. Steel is almost as good as brass to use in aluminium, rather than than the usual aluminium into aluminium that is currently available.
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PostPost by: billwill » Sat May 28, 2022 11:53 am

2cams70 wrote:It’s always best to use an appropriate sealant on such threads (eg. Loctite 567)

The sealant prevents contact of the threads with the coolant and makes for things being much, much easier to dismantle the next time.



I prefer PTFE tape, much easier to be sure that you will be able to undo it later, on-the-road or wherever.

It is after all just plain plumbing.
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PostPost by: The Veg » Sun May 29, 2022 2:04 pm

I fitted one of these in my Plus 2 a few years ago. Yes, it is plated steel and I used Teflon tape. Works a treat and no problems as yet. I've contemplated connecting it to the heater controls but haven't don't so as yet partly due to being lazy and partly because I live in a very warm region and heat is only needed for a small portion of the year, so opening and closing it under the bonnet before a drive is no big deal.
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