[Tigers] Radiator Cap

[Joe Brown]

I pulled out my copy of TBON and he also listed a 9 lb. cap up to
B382001521 and 13 lb. after that.

I sent an email to Rick at SS to see if his part number RC5 is the cap you
described. It doesn't say it's for the Tiger, it just says it's for the
series V.

On Tue, Jul 27, 2021, 8:27 PM Ron Fraser <rfraser at bluefrog.com> wrote:

> Parts List 6601334 lists 3 header tanks.
>
> 1224725                Header Tank       up to B382001521
>
> 5221224                Header Tank       from B382001522 to B382001894
>
> 1236126                Header Tank       from B382001895
>
>
>
> Graham Vickery sent me a drawing for Header Tank 1224725 and it indicates
> Filler Cap 9 lbs.
>
>
>
> I don’t know if the drawings for the other 2 header tanks are available to
> see which Filler Cap they indicate.
>
>
>
> Ron Fraser
>
>
>
> *From:* Joe Brown <jbbrown1980 at gmail.com>
> *Sent:* Tuesday, July 27, 2021 7:49 PM
> *To:* Ron Fraser <rfraser at bluefrog.com>
> *Cc:* Tigers Den <Tigers at autox.team.net>
> *Subject:* Re: [Tigers] Radiator Cap
>
>
>
> Thanks Ron, the .805" dimension sounds like what I need.
>
>
>
> On Tue, Jul 27, 2021, 6:37 PM Ron Fraser <rfraser at bluefrog.com> wrote:
>
> Joe
>
>                 I believe I bought my radiator cap from Sunbeam
> Specialties.
>
> Cap indicates 9 lbs. and G630.
>
> Rubber seal to rubber seal is .805”.
>
> I installed a catch bottle for the header tank overflow.   Catches any
> overflow which gets sucked back in when the engine cools.
>
>
>
> The Parts lists indicates 9 lbs. later cars and 13 lbs. early cars.
>
>
>
> Tiger, An Exceptional Motorcar indicates B382001521 as last unit with
> early header tank and 9 lb. cap – B382001522 1st Tiger with updated
> header tank and 13 lb. cap.
>
>
>
> Well, no really good help there.
>
>
>
> I’m thinking 9 lbs. for early cars and 13 lbs. for later cars is correct
>
>
>
> Ron  Fraser
>
>
>
>
>
>
>
> *From:* Tigers <tigers-bounces at autox.team.net> *On Behalf Of *Joe Brown
> *Sent:* Tuesday, July 27, 2021 6:07 PM
> *To:* Tigers Den <Tigers at autox.team.net>
> *Subject:* [Tigers] Radiator Cap
>
>
>
> Hi,
>
>
>
> I'm hoping one of you guys can tell me what radiator cap I should be
> using.  I've tried a cap that was listed as being for a Tiger on Autozone's
> website but I think the pressure spring part under the cap is too short.  I
> almost immediately start getting water out of the overflow tube as the
> engine warms up.  I measured the depth of the expansion tank opening from
> the top edge to the flange where the spring part of the cap would sit and
> got .777".  I measured the cap from the big rubber seal just under the cap
> to the small rubber seal at the end of the spring and got something like
> .75".  So it looks like I need a cap with a longer spring stem.
>
>
>
> A brand name and part number would be great.  And also, what should the
> pressure rating be?  What I have is 13 lbs.
>
>
>
> Thanks,
>
> Joe Brown
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/tigers/attachments/20210727/9c2ea388/attachment.htm>