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Hi Bob,
The HS2's with spring loaded needles were used on most of the 12V 1275's. M=
ount the needles just like the fixed needles with the shoulder flush with th=
e bottom of the piston and tune away, just like with the fixed needles. The=
spring loaded needles make it less critical to get the jet centered exactly=
right. =20
The plastic floats are tougher to get adjusted correctly, but it can be done=
by shimming the float needle seat. =20
Rick
Sent from my keyboard
> On Apr 30, 2020, at 3:40 PM, Michael MacLean via Spridgets <spridgets@auto=
x.team.net> wrote:
>=20
> =EF=BB=BF
>=20
>=20
> ----- Forwarded Message -----
> From: Michael MacLean <rrengineer.mike@att.net>
> To: Bob Kitterer <bkitterer@me.com>; spridgets@autox.team <spridgets@autox=
.team>
> Sent: Thursday, April 30, 2020, 12:37:13 PM PDT
> Subject: Re: [Spridgets] Carburetor Needle
>=20
> Bob,
> You may already know this, but looking in Haynes SU Carburettors manu=
al there is no mention of this type of needle assembly in the HS section. T=
here is explanation of it in the HIF section. That section states unless yo=
u are going to adjust for the minimum smog emissions you can adjust it in th=
e normal way for normal running. Otherwise you need an exhaust gas analyzer=
, fuel and ambient temp measuring instrument, pressure and air flow measurem=
ents.
> Mike MacLean =20
>=20
> On Thursday, April 30, 2020, 12:17:50 PM PDT, Bob Kitterer via Spridgets <=
spridgets@autox.team.net> wrote:
>=20
>=20
> Silly me. I came by a pair of new HS2 carbs about 8 years ago and decided=
to put them on the car. Now there was nothing wrong with the ones on the c=
ar but theses were new. First silly me. Since they were new I assumed that=
they were set up correctly, float bowl floats, main needles and such. So o=
n they went and the car ran alright but I did not get the time to do much mo=
re than go to the gas station and back and this was at sea level. Shortly a=
fter that I moved and now am at 5,500 ft and the car will not start except w=
ith the use of starter helper. Needless to say the car has not been drive m=
ore than one or two trips to the gas station in the past six years. So I fi=
nally decided that I needed to check the carb settings, the Ignition, valves=
, timing have all been checked and set. So off came a float bowl cap and it=
has a plastic float that is no where near the =E2=80=9Ccorrect=E2=80=9D set=
ting. I ordered the old fashion floats with the metal arms. Got those insta=
lled and moved on the main needle and jet alinement. Surprise, I have never=
seen a needle like this one. It is spring loaded, has a tapered screw that=
locks in to the piston. This looks like it is used on late =E2=80=9867s an=
d newer. I=E2=80=99m early =E2=80=9867 and have no information on later uni=
ts. Any one have a source that will tell me how you adjust carbs with these=
s needles?
>=20
> <IMG_2140.jpg>
>=20
>=20
> Bob Kitterer
>=20
> 1960 Austin Healey Sprite (Mk IV in disguise)
> 1966 Austin Healey Sprite Mk III (Trevor) - still in boxes
> 2013 Miata
>=20
> Pay it Forward
> Thanks Frank
>=20
> ------------------------
>=20
> spridgets@autox.team.net
>=20
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>=20
> Archive: http://www.team.net/pipermail/spridgets http://autox.team.net/arc=
hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/rrengi=
neer.mike@att.net
> <IMG_2140.jpg>
> ------------------------
>=20
> spridgets@autox.team.net
>=20
> Donate: http://www.team.net/donate.html
> Suggested annual donation: $12.75
>=20
> Archive: http://www.team.net/pipermail/spridgets http://autox.team.net/ar=
chive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/spridgets/refisk=
@chartermi.net
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Hi Bob,<div><br></div><div>The HS2's with s=
pring loaded needles were used on most of the 12V 1275's. Mount the ne=
edles just like the fixed needles with the shoulder flush with the bottom of=
the piston and tune away, just like with the fixed needles. The sprin=
g loaded needles make it less critical to get the jet centered exactly right=
. </div><div><br></div><div>The plastic floats are tougher to get adju=
sted correctly, but it can be done by shimming the float needle seat. =
</div><div><br></div><div>Rick<br><br><div dir=3D"ltr">Sent from my keyboard=
</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Apr 30, 2020, at 3:4=
0 PM, Michael MacLean via Spridgets <spridgets@autox.team.net> wrote:<=
br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF=
<div class=3D"ydp2321d0bbyahoo-style-wrap" style=3D"font-family:times new ro=
man, new york, times, serif;font-size:16px;"><div></div>
<div><br></div><div><br></div>
=20
</div><div id=3D"ydpc8c60ff8yahoo_quoted_8586161164" class=3D"ydpc8c=
60ff8yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, sa=
ns-serif;font-size:13px;color:#26282a;">
<div>----- Forwarded Message -----</div>
<div><b>From:</b> Michael MacLean <rrengineer.mike@att.ne=
t></div><div><b>To:</b> Bob Kitterer <bkitterer@me.com>; spridgets@=
autox.team <spridgets@autox.team></div><div><b>Sent:</b> Thursday, Apr=
il 30, 2020, 12:37:13 PM PDT</div><div><b>Subject:</b> Re: [Spridgets] Carbu=
retor Needle</div><div><br></div>
<div><div id=3D"ydpc8c60ff8yiv2251809836"><div><div class=3D=
"ydpc8c60ff8yiv2251809836ydp2e5596bdyahoo-style-wrap" style=3D"font-family:t=
imes new roman, new york, times, serif;font-size:16px;"><div></div>
<div dir=3D"ltr">Bob,</div><div dir=3D"ltr"> =
You may already know this, but looking in Haynes SU Carburettors manual the=
re is no mention of this type of needle assembly in the HS section. Th=
ere is explanation of it in the HIF section. That section states unles=
s you are going to adjust for the minimum smog emissions you can adjust it i=
n the normal way for normal running. Otherwise you need an exhaust gas=
analyzer, fuel and ambient temp measuring instrument, pressure and air flow=
measurements.</div><div dir=3D"ltr">Mike MacLean <br clear=3D"none">=
</div><div><br clear=3D"none"></div>
=20
</div><div class=3D"ydpc8c60ff8yiv2251809836yahoo_quoted" id=3D"ydpc=
8c60ff8yiv2251809836yahoo_quoted_9041291574">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, sa=
ns-serif;font-size:13px;color:#26282a;">
=20
<div class=3D"ydpc8c60ff8yiv2251809836yqt0691589346" id=3D"y=
dpc8c60ff8yiv2251809836yqt02669"><div>
On Thursday, April 30, 2020, 12:17:50 PM PDT, Bob Kitter=
er via Spridgets <spridgets@autox.team.net> wrote:
</div>
<div><br clear=3D"none"></div>
<div><br clear=3D"none"></div>
<div><div id=3D"ydpc8c60ff8yiv2251809836"><div><div dir=3D"l=
tr"><div dir=3D"ltr">Silly me. I came by a pair of new HS2 carbs about=
8 years ago and decided to put them on the car. Now there was nothing=
wrong with the ones on the car but theses were new. First silly me. &=
nbsp;Since they were new I assumed that they were set up correctly, float bo=
wl floats, main needles and such. So on they went and the car ran alri=
ght but I did not get the time to do much more than go to the gas station an=
d back and this was at sea level. Shortly after that I moved and now a=
m at 5,500 ft and the car will not start except with the use of starter help=
er. Needless to say the car has not been drive more than one or two tr=
ips to the gas station in the past six years. So I finally decided tha=
t I needed to check the carb settings, the Ignition, valves, timing have all=
been checked and set. So off came a float bowl cap and it has a plast=
ic float that is no where near the =E2=80=9Ccorrect=E2=80=9D setting. =
I ordered the old fashion floats with the metal arms. Got those installed an=
d moved on the main needle and jet alinement. Surprise, I have never s=
een a needle like this one. It is spring loaded, has a tapered screw t=
hat locks in to the piston. This looks like it is used on late =E2=80=98=
67s and newer. I=E2=80=99m early =E2=80=9867 and have no information o=
n later units. Any one have a source that will tell me how you adjust c=
arbs with theses needles?<br clear=3D"none"><br clear=3D"none"><div><IMG_=
2140.jpg></div></div><br clear=3D"none"><br clear=3D"none"><div dir=3D"lt=
r"><span>Bob Kitterer</span><div><span style=3D"font-size: 13pt;"><br c=
lear=3D"none"></span></div><div><span style=3D"font-size: 13pt;">1960 Austin=
Healey Sprite (Mk IV in disguise)</span></div><div><span style=3D"font=
-size: 13pt;">1966 Austin Healey Sprite Mk III (Trevor) - still in boxe=
s</span></div><div><span style=3D"font-size: 13pt;">2013 Miata</span></div><=
div><span style=3D"font-size: 13pt;"><br clear=3D"none"></span></div><div><s=
pan style=3D"font-size: 13pt;">Pay it Forward</span></div><div><span style=3D=
"font-size: 13pt;">Thanks Frank</span><br clear=3D"none"><br clear=3D"none">=
</div></div></div></div></div>------------------------<br clear=3D"none"><br=
clear=3D"none"><a shape=3D"rect" href=3D"mailto:spridgets@autox.team.net"; r=
el=3D"nofollow" target=3D"_blank">spridgets@autox.team.net</a><br clear=3D"n=
one"><br clear=3D"none">Donate: <a shape=3D"rect" href=3D"http://www.team.ne=
t/donate.html" rel=3D"nofollow" target=3D"_blank">http://www.team.net/donate=
.html</a><br clear=3D"none">Suggested annual donation: $12.75<br clear=3D"no=
ne"><br clear=3D"none">Archive: <a shape=3D"rect" href=3D"http://www.team.ne=
t/pipermail/spridgets " rel=3D"nofollow" target=3D"_blank">http://www.team.n=
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archive" rel=3D"nofollow" target=3D"_blank">http://autox.team.net/archive</a=
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ns/spridgets/rrengineer.mike@att.net</a><br clear=3D"none"></div></div>
</div>
</div></div></div></div>
</div>
</div><div><IMG_2140.jpg></div><span>------------------------<=
/span><br><span></span><br><span>spridgets@autox.team.net</span><br><span></=
span><br><span>Donate: http://www.team.net/donate.html</span><br><span>Sugge=
sted annual donation: $12.75</span><br><span></span><br><span>Archive: http:=
//www.team.net/pipermail/spridgets http://autox.team.net/archive</span=
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n/options/spridgets/refisk@chartermi.net</span><br></div></blockquote></div>=
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