Roose ally radiator boss size....

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shaunroche
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Roose ally radiator boss size....

#1 Post by shaunroche »

Bought one of these yonks ago and have just got 'round to fitting it.

It has a welded in threaded boss for a temp switch but no blanking plug....does anyone know what thread that's likely to be please?

Tried Roose, not the most communicative of companies if I'm honest!

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xvivalve
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Re: Roose ally radiator boss size....

#2 Post by xvivalve »

Odds on it will be metric...
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Re: Roose ally radiator boss size....

#3 Post by new to this »

I don't know for sure but Stoney racing sell a Rad fan switch that's M14x1.5 that may give you a starting point

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shaunroche
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Re: Roose ally radiator boss size....

#4 Post by shaunroche »

It seems to be a similar size to the thermostat brass plug which is 7/8 UNF I think so that might point to M22?
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xvivalve
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Re: Roose ally radiator boss size....

#5 Post by xvivalve »

M22 x 1.5 does seem to be something of a standard for rad switches from the likes of Hella etc...
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shaunroche
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Re: Roose ally radiator boss size....

#6 Post by shaunroche »

xvivalve wrote: Mon Jul 01, 2024 3:31 pm M22 x 1.5 does seem to be something of a standard for rad switches from the likes of Hella etc...
Turns out it is M22x1.5! Thanks all for the replies.
Come and see some pretty shoddy, slow driving of a really well prepared competition Sprint here!

http://www.youtube.com/@theunknownworrier
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