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Joe
Yes, this topic is confusing. My Shop Manual states 13 =
lb. cap for both 260 and 289 engines but I do not see a publish date for =
the Manual.
=20
Not sure if an original Shop Manuals state anything different.
=20
I=E2=80=99m not the original owner of my Tiger so I can=E2=80=99t say =
for sure the 9 lb. cap is correct. I believe that is how I bought it =
and I have continued with the 9 lb. cap.
=20
All indication seem to point to the 13 lb. cap being OK to use on any =
Tiger.
=20
Ron Fraser
=20
=20
From: Joe Brown <jbbrown1980@gmail.com>=20
Sent: Wednesday, July 28, 2021 6:48 PM
To: Ron Fraser <rfraser@bluefrog.com>
Cc: Tigers Den <Tigers@autox.team.net>
Subject: Re: [Tigers] Radiator Cap
=20
Just to add to my confusion I took a look at the Tiger Parts List =
Supplement (pub number 6601131) and I'm guessing this only covers the =
Tigers up to B382001521 because it only shows the 1224725 header tank =
and Ron has Parts List 6601334 which show two more tanks. Parts List =
6601131 says the 9 lb. cap is for "later" cars and the 13 lb. cap is =
for "earlier" cars. This seems to contradict what is in TBON. Is it =
possible that some of the earliest cars had 13 lb. caps and then they =
went to 9 lb. caps until they changes the header tanks?
=20
The Rootes part number for the 9 lb. cap is 5220487 and when I Google =
that number I can see that is also a Mopar part number from back in the =
day. All of the usual sources want to cross this over to a 13 lb. cap. =
I did find a 9 lb. cap made by Motorad but I can't find what the stem =
length is. I guess I will have to go down to the different part stores =
and look at what they have. =20
=20
Sunbeam Specialties has three different caps for sale but they are for =
Alpines, not Tigers. I asked Rick if any of them would work for the =
Tiger and he said the pressure rating was too low. =20
=20
Ron, the G630 cap pulls up as a match for some older Land Rovers but I'm =
only finding used ones.
=20
If anybody has recently purchased a new cap that is working fine please =
let me know what you got.
=20
Thanks,
Joe Brown
=20
On Tue, Jul 27, 2021 at 8:40 PM Joe Brown <jbbrown1980@gmail.com =
I pulled out my copy of TBON and he also listed a 9 lb. cap up to =
B382001521 and 13 lb. after that.=20
=20
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.
=20
On Tue, Jul 27, 2021, 8:27 PM Ron Fraser <rfraser@bluefrog.com =
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
=20
Graham Vickery sent me a drawing for Header Tank 1224725 and it =
indicates Filler Cap 9 lbs.
=20
I don=E2=80=99t know if the drawings for the other 2 header tanks are =
available to see which Filler Cap they indicate.
=20
Ron Fraser
=20
Sent: Tuesday, July 27, 2021 7:49 PM
Subject: Re: [Tigers] Radiator Cap
=20
Thanks Ron, the .805" dimension sounds like what I need.
=20
On Tue, Jul 27, 2021, 6:37 PM Ron Fraser <rfraser@bluefrog.com =
Joe
I believe I bought my radiator cap from Sunbeam =
Specialties.
Cap indicates 9 lbs. and G630.
Rubber seal to rubber seal is .805=E2=80=9D.
I installed a catch bottle for the header tank overflow. Catches any =
overflow which gets sucked back in when the engine cools.
=20
The Parts lists indicates 9 lbs. later cars and 13 lbs. early cars.
=20
Tiger, An Exceptional Motorcar indicates B382001521 as last unit with =
early header tank and 9 lb. cap =E2=80=93 B382001522 1st Tiger with =
updated header tank and 13 lb. cap.
=20
Well, no really good help there.
=20
I=E2=80=99m thinking 9 lbs. for early cars and 13 lbs. for later cars is =
correct
=20
Ron Fraser
=20
=20
=20
From: Tigers <tigers-bounces@autox.team.net =
Sent: Tuesday, July 27, 2021 6:07 PM
Subject: [Tigers] Radiator Cap
=20
Hi,
=20
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. =20
=20
A brand name and part number would be great. And also, what should the =
pressure rating be? What I have is 13 lbs.
=20
Thanks,
Joe Brown
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal>Joe<o:p></o:p></p><p =
class=3DMsoNormal>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Yes, this topic is =
confusing.=C2=A0=C2=A0 My Shop Manual states 13 lb. cap for both 260 and =
289 engines but I do not see a publish date for the =
Manual.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Not sure if an original Shop Manuals state anything =
different.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>I=E2=80=99m not the original owner of my Tiger so I =
can=E2=80=99t say for sure the 9 lb. cap is correct.=C2=A0=C2=A0 I =
believe that is how I bought it and I have continued with the 9 lb. =
cap.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>All indication seem to point to the 13 lb. cap being =
OK to use on any Tiger.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Ron =
Fraser<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><b>From:</b> =
Joe Brown <jbbrown1980@gmail.com> <br><b>Sent:</b> Wednesday, July =
28, 2021 6:48 PM<br><b>To:</b> Ron Fraser =
<rfraser@bluefrog.com><br><b>Cc:</b> Tigers Den =
<Tigers@autox.team.net><br><b>Subject:</b> Re: [Tigers] Radiator =
Cap<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><div><p =
class=3DMsoNormal>Just to add to my confusion I took a look at the Tiger =
Parts List Supplement (pub number 6601131) and I'm guessing this only =
covers the Tigers up to B382001521 because it only shows the =
1224725 header tank and Ron has Parts List 6601334 which show two =
more tanks. Parts List 6601131 says =
the 9 lb. cap is for "later" cars and the 13 lb. cap is for =
"earlier" cars. This seems to contradict what is in =
TBON. Is it possible that some of the earliest cars had 13 lb. =
caps and then they went to 9 lb. caps until they changes the header =
tanks?<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>The Rootes part number for the 9 lb. cap is 5220487 =
and when I Google that number I can see that is also a Mopar part number =
from back in the day. All of the usual sources want to cross this =
over to a 13 lb. cap. I did find a 9 lb. cap made by Motorad but I =
can't find what the stem length is. I guess I will have to go down =
to the different part stores and look at what they =
have. <o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Sunbeam Specialties has three different caps for sale =
but they are for Alpines, not Tigers. I asked Rick if any of them =
would work for the Tiger and he said the pressure rating was too =
low. <o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Ron, the G630 cap pulls up as a match for some older =
Land Rovers but I'm only finding used ones.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>If anybody has recently purchased a new cap that is =
working fine please let me know what you =
got.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Thanks,<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Joe Brown<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On =
Tue, Jul 27, 2021 at 8:40 PM Joe Brown <<a =
href=3D"mailto:jbbrown1980@gmail.com";>jbbrown1980@gmail.com</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal>I pulled out my copy of TBON and he also =
listed a 9 lb. cap up to B382001521 and 13 lb. after =
that. <o:p></o:p></p><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p class=3DMsoNormal>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.<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On =
Tue, Jul 27, 2021, 8:27 PM Ron Fraser <<a =
href=3D"mailto:rfraser@bluefrog.com"; =
target=3D"_blank">rfraser@bluefrog.com</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Parts List =
6601334 lists 3 header tanks.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>1224725 =
; =
Header Tank up to =
B382001521<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>5221224 =
; =
Header Tank from =
B382001522 to B382001894<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>1236126 =
; =
Header Tank from =
B382001895<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Graham =
Vickery sent me a drawing for Header Tank 1224725 and it indicates =
Filler Cap 9 lbs.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I =
don=E2=80=99t know if the drawings for the other 2 header tanks are =
available to see which Filler Cap they indicate.<o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Ron =
Fraser<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b>=
Joe Brown <<a href=3D"mailto:jbbrown1980@gmail.com"; =
target=3D"_blank">jbbrown1980@gmail.com</a>> <br><b>Sent:</b> =
Tuesday, July 27, 2021 7:49 PM<br><b>To:</b> Ron Fraser <<a =
href=3D"mailto:rfraser@bluefrog.com"; =
target=3D"_blank">rfraser@bluefrog.com</a>><br><b>Cc:</b> Tigers Den =
<<a href=3D"mailto:Tigers@autox.team.net"; =
target=3D"_blank">Tigers@autox.team.net</a>><br><b>Subject:</b> Re: =
[Tigers] Radiator Cap<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks Ron, =
the .805" dimension sounds like what I need.<o:p></o:p></p></div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Tue, Jul =
27, 2021, 6:37 PM Ron Fraser <<a href=3D"mailto:rfraser@bluefrog.com"; =
target=3D"_blank">rfraser@bluefrog.com</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Joe<o:p></o:=
p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> =
&=
nbsp; I believe I bought my radiator cap from Sunbeam =
Specialties.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Cap =
indicates 9 lbs. and G630.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Rubber seal =
to rubber seal is .805=E2=80=9D.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I installed =
a catch bottle for the header tank overflow. Catches any =
overflow which gets sucked back in when the engine =
cools.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The Parts =
lists indicates 9 lbs. later cars and 13 lbs. early =
cars.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Tiger, An =
Exceptional Motorcar indicates B382001521 as last unit with early header =
tank and 9 lb. cap =E2=80=93 B382001522 1<sup>st</sup> Tiger with =
updated header tank and 13 lb. cap.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Well, no =
really good help there.<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I=E2=80=99m =
thinking 9 lbs. for early cars and 13 lbs. for later cars is =
correct<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Ron =
Fraser<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b>From:</b>=
Tigers <<a href=3D"mailto:tigers-bounces@autox.team.net"; =
target=3D"_blank">tigers-bounces@autox.team.net</a>> <b>On Behalf Of =
</b>Joe Brown<br><b>Sent:</b> Tuesday, July 27, 2021 6:07 =
PM<br><b>To:</b> Tigers Den <<a href=3D"mailto:Tigers@autox.team.net"; =
target=3D"_blank">Tigers@autox.team.net</a>><br><b>Subject:</b> =
[Tigers] Radiator Cap<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi,<o:p></o:=
p></p><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>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. <o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>A brand =
name and part number would be great. And also, what should the =
pressure rating be? What I have is 13 =
lbs.<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p>=
</o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Joe =
Brown<o:p></o:p></p></div></div></div></div></blockquote></div></div></di=
v></blockquote></div></blockquote></div></div></body></html>
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