triumphs
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Re: [TR] Idle Problem

To: "TeriAnn J. Wakeman" <tjwakeman@gmail.com>
Subject: Re: [TR] Idle Problem
From: WBEECH <wbeech@flash.net>
Date: Tue, 17 Sep 2013 20:32:44 -0500
Cc: "triumphs@autox.team.net" <triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <8F4CE2FA26644CA99C2EA16E9A1C4D26@bboffice> <5238BA25.3010805@gmail.com>
TeriAnn,

Checked the pressure,  5 psi, so changed out the pump and all seems normal
again.  Had a small leak around the rod , but it must be around the bushing as
the rod is fitted with double o-ring's on both sides.

Thanks,
Bill
Sent from my iPhone

On Sep 17, 2013, at 3:23 PM, "TeriAnn J. Wakeman" <tjwakeman@gmail.com>
wrote:

> On 9/17/13 12:18 PM, bill_beecher@flash.net wrote:
>> Have just spent 1/2 the day trying to resolve the idle, or lack thereof,
on
>> the TR3B project.  Engine is in the chassis only as the body is still off
at
>> the painter.  Carbs freshly re-built, new electric fuel pump installed,
>> timing set, vacuum line attached and advance checked and working.
>> Starts and runs great, but will not idle down below around 1500 RPM.
After
>> that it will just start to slowly stumble then die.  Always starts right
>> back up.  I have adjusted the jets 1-2 & 3 flats each way with no
>> discernable difference.
>> What else should I check?
> Check the fuel pressure.  A lot of electric pumps produce a pressure that
will overcome the SU float valve.  You want the pressure to be about 2-1/2 to
3 lbs.
>
> The common 7 PSI pumps tend not to work well with SUs or Webbers
>
> TeriAnn
>
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