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Re: [Fot] TR4 spitting thru Webers - haaaalp!

To: "J.C. Hassall" <jhassall@gmail.com> s=q20140121; t=1440396798; bh=zg8i4fRFnFyhwzgTkqKJj9WsTq1UDUJEHasA28H7o9c=; h=Received:Received:Subject:Mime-Version:Content-Type:From:Date: Message-Id:To; b=Zkl3aAerQdGugbtq9UixnaOt3LjlzW+MEEvZq0JDuqDHQgpvbfykeK6Rvy/g9PVCf XWw/fSuGBXCsOPaL1ZtVFL7OZC2AhA5G3JAJDV0D48s8bPKDO6Kd34xCFfmW7KUbWL /u5AD2OowktaUKKJNURgeLoGf6HBsjLEIiT9xYLwX6nE2D6liV4O8WhMQxSFZRIRvw EbjuA8BtSp95juFn2FUHRTGtqzANMACtbaHU28TcwM5Uihk4b93xb5ysax8EMQAmFB b0UNqeY25H78RG2pGOMkmMZ5NfpTlHO5+7I3UcRCD/cMZ1eD71atPZEJeoUmFv6nUf RaVD33aFVl4LA==
Subject: Re: [Fot] TR4 spitting thru Webers - haaaalp!
From: Bud R <levilevi@comcast.net>
Date: Mon, 24 Aug 2015 00:13:16 -0600
Cc: Friends of Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <CAO=iLWaF5+t_LZ9otc_t2avaMoU3gzU04vobjvfx9PqKKfFWZg@mail.gmail.com>
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Spitting back could mean the mixture is too lean or possibly a vacuum =
leak. Have you checked for vac leaks with carb cleaner, there was a TR4 =
recently at a race that had a leak at the intake manifold gasket that =
was easily found by spraying carb cleaner.

Bud Rolofson

Extreme Parts Racing (more than just a haircut)

71TR6 CC57365 (Good 6)
71 Spitfire MK IV Race Car #3
69 Spitfire MK III (back up FE engine/dinghy car)
93 Minnie Winnie Race Support Vehicle=20
77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)


On Aug 23, 2015, at 6:14 PM, J.C. Hassall <jhassall@gmail.com> wrote:

> My TR4 spits thru the 40DCOEs at idle and speed.  Timing is set to 32 =
degrees at 3K RPM, so idle is about 12 degrees.  I thought that spitting =
thru the carbs meant too much advance, but I believe timing is ok.
>=20
> The AFR (sensor is in the 4-1 collector - bad idea) at idle jumps =
between 13.8 and 15.3 (seems like an enormous swing!).  Spitting doesn't =
seem to coincide with any specific AFR.  The carbs have been synched, =
etc.  34 chokes, 50F9 idle jets, mains are 120 with 200 air correctors.  =
The mains seem awfully small.  Even so, the AFR at speed is 12.8-13.5.  =
Plugs are NGK BP6HS, which are sooty; the ground lug burns clean about =
half way.
>=20
> What am I doing wrong???  I'm at the end of my wit (you're right =
Craig, it's a very short walk)
>=20
> tnx
>=20
> jim
>=20
> 63 TR4 in autox prep, 99.5% finished, 90% to go
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/levilevi@comcast.net
>=20
>=20


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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;">Spitting back could mean the mixture is too lean or =
possibly a vacuum leak. Have you checked for vac leaks with carb =
cleaner, there was a TR4 recently at a race that had a leak at the =
intake manifold gasket that was easily found by spraying carb =
cleaner.<br><div apple-content-edited=3D"true">
<span class=3D"Apple-style-span" style=3D"color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 18px; font-style: normal; =
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text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; border-collapse: separate; orphans: 2; =
widows: 2; border-spacing: 0px; -webkit-text-decorations-in-effect: =
none;"><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space;"><span class=3D"Apple-style-span" =
style=3D"orphans: 2; text-align: -webkit-auto; text-indent: 0px; widows: =
2; -webkit-text-decorations-in-effect: none;"><div style=3D"word-wrap: =
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2; text-align: -webkit-auto; text-indent: 0px; widows: 2; =
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break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><span class=3D"Apple-style-span" style=3D"orphans: =
2; text-align: -webkit-auto; text-indent: 0px; widows: 2; =
-webkit-text-decorations-in-effect: none;"><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><span class=3D"Apple-style-span" style=3D"orphans: =
2; text-align: -webkit-auto; text-indent: 0px; widows: 2; =
-webkit-text-decorations-in-effect: none;"><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><span class=3D"Apple-style-span" style=3D"orphans: =
2; text-align: -webkit-auto; text-indent: 0px; widows: 2; =
-webkit-text-decorations-in-effect: none;"><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><span class=3D"Apple-style-span" style=3D"orphans: =
2; text-indent: 0px; widows: 2; -webkit-text-decorations-in-effect: =
none;"><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space;"><span class=3D"Apple-style-span" =
style=3D"orphans: 2; text-indent: 0px; widows: 2; =
-webkit-text-decorations-in-effect: none;"><div><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; border-spacing: 0px; =
-webkit-text-stroke-width: 0px;"><br =
class=3D"Apple-interchange-newline">Bud Rolofson</div><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; border-spacing: 0px; =
-webkit-text-stroke-width: 0px;"><br></div><div style=3D"border-collapse: =
separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; border-spacing: 0px; -webkit-text-stroke-width: =
0px;">Extreme Parts Racing&nbsp;(more than just a haircut)</div><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; border-spacing: 0px; =
-webkit-text-stroke-width: 0px;"><br></div><div>71TR6 CC57365 (Good =
6)</div><div style=3D"border-collapse: separate; color: rgb(0, 0, 0); =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
border-spacing: 0px; -webkit-text-stroke-width: 0px;">71 Spitfire MK IV =
Race Car #3</div><div style=3D"border-collapse: separate; color: rgb(0, =
0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
border-spacing: 0px; -webkit-text-stroke-width: 0px;">69 Spitfire MK III =
(back up FE engine/dinghy car)</div><div style=3D"border-collapse: =
separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; border-spacing: 0px; -webkit-text-stroke-width: =
0px;">93 Minnie Winnie Race Support Vehicle&nbsp;</div><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; border-spacing: 0px; =
-webkit-text-stroke-width: 0px;">77 Z-50A Hardly Davidson Honda =
Mini-Trail Bike (Triumph Pit Bike)</div></div><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
border-spacing: 0px; -webkit-text-stroke-width: =
0px;"><br></div></span></div></span></div></span></div></span></div></span=
></div></span></div></span></div></span>
</div>
<br><div><div>On Aug 23, 2015, at 6:14 PM, J.C. Hassall &lt;<a =
href=3D"mailto:jhassall@gmail.com";>jhassall@gmail.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite"><div dir=3D"ltr">My TR4 spits thru the 40DCOEs at idle and =
speed.&nbsp; Timing is set to 32 degrees at 3K RPM, so idle is about 12 =
degrees.&nbsp; I thought that spitting thru the carbs meant too much =
advance, but I believe timing is ok.<div><br></div><div>The AFR (sensor =
is in the 4-1 collector - bad idea) at idle jumps between 13.8 and 15.3 =
(seems like an enormous swing!).&nbsp; Spitting doesn't seem to coincide =
with any specific AFR.&nbsp; The carbs have been synched, etc. &nbsp;34 =
chokes, 50F9 idle jets, mains are 120 with 200 air correctors.&nbsp; The =
mains seem awfully small.&nbsp; Even so, the AFR at speed is =
12.8-13.5.&nbsp; Plugs are NGK BP6HS, which are sooty; the ground lug =
burns clean about half way.</div><div><br></div><div>What am I doing =
wrong???&nbsp; I'm at the end of my wit (you're right Craig, it's a very =
short =
walk)</div><div><br></div><div>tnx</div><div><br></div><div>jim</div><div>=
<br></div><div>63 TR4 in autox prep, 99.5% finished, 90% to =
go</div></div>
_______________________________________________<br><a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br><br>http://ww=
w.fot-racing.com<br><br>Donate: =
http://www.team.net/forums<br>Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/levilevi@comcast.net<br><br><br>=
</blockquote></div><br></body></html>=

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_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/archive



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