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Re: [TR] ZS 175 carbs

To: Jack McGahey <McGaheyRx@aol.com>, Sujit Roy <triumphstag@gmail.com>
Subject: Re: [TR] ZS 175 carbs
From: Creig Houghtaling <creig555@live.com>
Date: Tue, 2 Oct 2018 05:07:55 +0000
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Thread-topic: [TR] ZS 175 carbs
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Now everyone has my curiosity peaked.  10-32 and M5-0.8 are very close in s=
ize
10-32 is slightly smaller.  So if the actual size is M5-0.8, then the 10-32=
 fits easily.
So the actual size on all ZS carbs is M5-0.8.  Interesting.  Just learned s=
omething new!
So are all the other screw threads in a ZS M5 also?
Creig
________________________________
From: Jack McGahey <McGaheyRx@aol.com>
Sent: Monday, October 1, 2018 6:37 PM
To: Sujit Roy
Cc: Creig Houghtaling; davgil@aol.com; Triumphs
Subject: Re: [TR] ZS 175 carbs

If you have standard thread screws holding the dashpot covers on the Stromb=
erg carbs in your Stag - that could explain why they are hard to come out. =
 ;-)

I just pulled one out of a Stag carb and in turns quite easily into an M5 0=
.8 thread checker. Since this came up today, I=92ve done the same with TR6 =
carbs, TR7 carbs, TR8 carbs, and some new screws I pulled out of the bag th=
ey came from Moss in. They all have the same part number and they are all M=
5 0.8. Same part number for all CD 175s and the CD 150s on GT6s

I did not know this until it came up today - I=92ve always ordered the corr=
ect part - after rebuilding hundreds of these carbs, I knew they weren=92t =
SAE, but I always figured they were Whitworth or British Standard - or some=
thing odd like that - I was as surprised as anybody when they turned easily=
 into an M5 0.8 thread checker.

If you still don=92t believe me, I can send pictures.

Cheers,
Jack Mc


Sent from my iPad

stag@gmail.com>> wrote:

The Stag has ZS carbs. Those screws are pozi drive heads. But the screws do=
n't show that pozi. drive symbol on the head. Standard not metric. Some of =
mine were buggered by POs. Trying to remove them with standard Philips scre=
w driver

Sujit

71 Stag

reig555@live.com>> wrote:
David,

See if a #10 or #8 machine thread works.  It is one of these, but I don't r=
emember which.  I always buy new bolts and lock washers from the hardware s=
tore for carb top covers.  You can buy stainless.  And it doesn't cost as m=
uch.

My friend had metric size bolts holding his carb tops on his TR8.  I suspec=
t that was because a previous owner put them in because they were close in =
size and he just forced them in because they were into aluminum.

What are you referring to for damper 0-rings?  If you are referring to the =
tiny one at the bottom of the dashpot that holds the dashpot oil around the=
 metering needle, then yes that is a standard size o-ring that you can buy.=
  The o-ring around the fuel reservoir plug is standard and can be bought t=
oo.

Creig
________________________________
Sent: Monday, October 1, 2018 8:44 AM
Subject: [TR] ZS 175 carbs

I worked on the carbs on my 1976 TR6 this weekend, one of the needle adjust=
ments screws moved and I was able to lean the carb I needed for some improv=
ement.  A couple of questions, does anyone know the specs on the screws hol=
ding the top cover to the body of the carb?  Someone (not me - honest) bugg=
ered them up and I had to cut a slot on one to back it out.  I would like t=
o just replace them all.  Moss has them at $1.89 apiece but that seems a bi=
t much.  I had a couple of screws in my loose screw bin that looked correct=
 but did not seem to fully thread into the carb body and I didn't want to f=
orce them and ruin the threads.  Also, if the damper o-rings are a standard=
 size that I can pick up at a local FLAPS instead of ordering them, i would=
 appreciate knowing the specs on those as well.
Thanks
David Gill
1976 TR6

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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
<style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo=
ttom:0;} </style>
</head>
<body dir=3D"ltr">
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
Now everyone has my curiosity peaked.&nbsp; 10-32 and M5-0.8 are very close=
 in size &nbsp;</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
10-32 is slightly smaller.&nbsp; So if the actual size is M5-0.8, then the =
10-32 fits easily. &nbsp;</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
So the actual size on all ZS carbs is M5-0.8.&nbsp; Interesting.&nbsp; Just=
 learned something new!</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
So are all the other screw threads in a ZS M5 also?</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
Creig</div>
<div style=3D"color: rgb(0, 0, 0); font-family: Calibri,Helvetica,sans-seri=
f; font-size: 12pt;">
</div>
<hr tabindex=3D"-1" style=3D"display:inline-block;width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font color=3D"#000000" face=3D"Calib=
ri, sans-serif" style=3D"font-size:11pt"><b>From:</b> Jack McGahey &lt;McGa=
heyRx@aol.com&gt;<br>
<b>Sent:</b> Monday, October 1, 2018 6:37 PM<br>
<b>To:</b> Sujit Roy<br>
<b>Cc:</b> Creig Houghtaling; davgil@aol.com; Triumphs<br>
<b>Subject:</b> Re: [TR] ZS 175 carbs</font>
<div>&nbsp;</div>
</div>
<meta content=3D"text/html; charset=3Dutf-8">
<div dir=3D"auto">If you have standard thread screws holding the dashpot co=
vers on the Stromberg carbs in your Stag - that could explain why they are =
hard to come out. &nbsp;;-)
<div><br>
</div>
<div>I just pulled one out of a Stag carb and in turns quite easily into an=
 M5 0.8 thread checker. Since this came up today, I=92ve done the same with=
 TR6 carbs, TR7 carbs, TR8 carbs, and some new screws I pulled out of the b=
ag they came from Moss in. They all
 have the same part number and they are all M5 0.8. Same part number for al=
l CD 175s and the CD 150s on GT6s</div>
<div><br>
</div>
<div>I did not know this until it came up today - I=92ve always ordered the=
 correct part - after rebuilding hundreds of these carbs, I knew they weren=
=92t SAE, but I always figured they were Whitworth or British Standard - or=
 something odd like that - I was as
 surprised as anybody when they turned easily into an M5 0.8 thread checker=
.</div>
<div><br>
</div>
<div>If you still don=92t believe me, I can send pictures.</div>
<div><br>
</div>
<div>Cheers,</div>
<div>Jack Mc</div>
<div><br>
</div>
<div><br>
<div id=3D"x_AppleMailSignature">Sent from my iPad</div>
<div><br>
On Oct 1, 2018, at 4:51 PM, Sujit Roy &lt;<a href=3D"mailto:triumphstag@gma=
il.com">triumphstag@gmail.com</a>&gt; wrote:<br>
<br>
</div>
<blockquote type=3D"cite">
<div>
<div dir=3D"auto">The Stag has ZS carbs. Those screws are pozi drive heads.=
 But the screws don't show that pozi. drive symbol on the head. Standard no=
t metric. Some of mine were buggered by POs. Trying to remove them with sta=
ndard Philips screw driver
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto">Sujit</div>
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto">71 Stag</div>
</div>
<br>
<div class=3D"x_gmail_quote">
<div dir=3D"ltr">On Mon, Oct 1, 2018, 11:02 AM Creig Houghtaling &lt;<a hre=
f=3D"mailto:creig555@live.com";>creig555@live.com</a>&gt; wrote:<br>
</div>
<blockquote class=3D"x_gmail_quote" style=3D"margin:0 0 0 .8ex; border-left=
:1px #ccc solid; padding-left:1ex">
<div dir=3D"ltr">
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
David,</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
See if a #10 or #8 machine thread works.&nbsp; It is one of these, but I do=
n't remember which.&nbsp; I always buy new bolts and lock washers from the =
hardware store for carb top covers.&nbsp; You can buy stainless.&nbsp; And =
it doesn't cost as much.</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
My friend had metric size bolts holding his carb tops on his TR8.&nbsp; I s=
uspect that was because a previous owner put them in because they were clos=
e in size and he just forced them in because they were into aluminum.</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
What are you referring to for damper 0-rings?&nbsp; If you are referring to=
 the tiny one at the bottom of the dashpot that holds the dashpot oil aroun=
d the metering needle, then yes that is a standard size o-ring that you can=
 buy.&nbsp; The o-ring around the fuel reservoir
 plug is standard and can be bought too.</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
<br>
</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
Creig</div>
<div style=3D"color:rgb(0,0,0); font-family:Calibri,Helvetica,sans-serif; f=
ont-size:12pt">
</div>
<hr style=3D"display:inline-block; width:98%">
<div id=3D"x_m_-8950837643176549286divRplyFwdMsg" dir=3D"ltr"><font color=
=3D"#000000" face=3D"Calibri, sans-serif" style=3D"font-size:11pt"><b>From:=
</b> Triumphs &lt;<a href=3D"mailto:triumphs-bounces@autox.team.net"; target=
=3D"_blank" rel=3D"noreferrer">triumphs-bounces@autox.team.net</a>&gt;
 on behalf of <a href=3D"mailto:davgil@aol.com"; target=3D"_blank" rel=3D"no=
referrer">davgil@aol.com</a> &lt;<a href=3D"mailto:davgil@aol.com"; target=
=3D"_blank" rel=3D"noreferrer">davgil@aol.com</a>&gt;<br>
<b>Sent:</b> Monday, October 1, 2018 8:44 AM<br>
<b>To:</b> <a href=3D"mailto:triumphs@autox.team.net"; target=3D"_blank" rel=
=3D"noreferrer">
triumphs@autox.team.net</a><br>
<b>Subject:</b> [TR] ZS 175 carbs</font>
<div>&nbsp;</div>
</div>
<div><font color=3D"black" face=3D"arial" size=3D"2">
<div><font size=3D"2">I worked on the carbs on my 1976 TR6 this weekend, on=
e of the needle adjustments screws moved and I was able to lean the carb I =
needed for some improvement.&nbsp; A couple of questions, does anyone know =
the specs on the screws holding the top
 cover to the body of the carb?&nbsp; Someone (not me - honest) buggered th=
em up and I had to cut a slot on one to back it out.&nbsp; I would like to =
just replace them all.&nbsp; Moss has them at $1.89 apiece but that seems a=
 bit much.&nbsp; I had a couple of screws in my loose
 screw bin that looked correct but did not seem to fully thread into the ca=
rb body and I didn't want to force them and ruin the threads.&nbsp; Also, i=
f the damper o-rings are a standard size that I can pick up at a local FLAP=
S instead of ordering them, i would appreciate
 knowing the specs on those as well.&nbsp; <br>
</font></div>
<div><font size=3D"2">Thanks</font></div>
<div><font size=3D"2">David Gill</font></div>
<div><font size=3D"2">1976 TR6</font><br>
</div>
</font></div>
</div>
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</blockquote>
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