triumphs
[Top] [All Lists]

Re: Sooty Rear-end

To: bschwart@pacbell.net
Subject: Re: Sooty Rear-end
From: Trmgafun@aol.com
Date: Tue, 20 Oct 1998 13:22:43 EDT
Cc: Triumphs@Autox.Team.Net
In a message dated 98-10-20 12:29:50 EDT, you write:

<< Yep, if they are stock 70 carb's they ain't no way no how adjustable, but
 they do wear.  When that happens they will tend to run rich, although it
 shouldn't be enough to cause soot unless worn an AWFUL lot.  The needle
 itself is a spring loaded item, biased toward the throttle side, and as
 such wears the needle and corresponding jet oval.  The only cure is
 replacement of both, or the carb's, if that's truly the cause.  Might check
 to see if the choke is hanging up, or not closing all the way causing an
 over rich mixture, and are the float levels are correct?  Also, is the
 exhaust stock, exiting out the right side rear or something custom,
 directly exiting the vehicles rear and center?  If it's the latter, no
 amount of tuning rich/lean, will prevent a buildup of crud on the back of
 the car -
 
 Barry Schwartz (San Diego) bschwart@pacbell.net
 
 72 V6 Spitfire (daily driver)
 70 GT6+ (when I don't drive the Spit)
 70 Spitfire (someday soon back on the road)
  >>
Barry,

Isn't there a special tool that fits down inside the dashpot hole for
adjusting the jet?  I used this tool on my '72 GT6 when it was too rich and I
couldn't seem to get the mixture lean enough.  It changed the "range" of the
mixture adjustment.  You turn it clockwise or the counterclockwise, depending
on whether you need to go toward the leaner range, or the richer adjustment
range.  This was done in hopes that the owners wouldn't be able to monkey with
the detuned engines.

I still have the tool somewhere.....

Scott Helms

<Prev in Thread] Current Thread [Next in Thread>