[Spridgets] Radiator temp gauge port size?

[Lester]

Ok,

I have tried a 5/8 -18 and it goes in a few threads but lock too soon, from
what I've read this means it is likely that this is a BSP thread.  Online
shows no BSP at Lowes or Home Depot, or Pegasus.. any other ideas?

Lester


On Oct 16, 2010, at 7:46 PM, frogeye wrote:

> Lester,
>
> I just measured the outside diameter of the threads on a gauge sender that
sits inside those threads
> I measure .625 and think it's a british pipe thread with dial verniers
> Close to 19 threads to the inch as well
> http://en.wikipedia.org/wiki/British_standard_pipe_thread
>
> my guess is a British standard pipe
> but those demensions don't seem to fit in that chart I linked to you
> I'll keep looking and watching for answers
>
> Alan
>
>
> ----- Original Message ----- From: "Lester" <oldsaabguy at comcast.net>
> To: "Spridget List" <spridgets at autox.team.net>; <bugeye at yahoogroups.com>
> Sent: Saturday, October 16, 2010 20:22
> Subject: Re: [Spridgets] Radiator temp gauge port size?
>
>
>> Hello all,
>>
>> does anyone know offhand or have a way to measure what size and pitch of
plug
>> I could get to use in the port where the temp gauge bulb screws in?
>>
>> Thanks,
>>
>> Lester
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