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RE: Backfiring when decelerating

To: triumphs@autox.team.net
Subject: RE: Backfiring when decelerating
From: Randall Young <ryoung@NAVCOMTECH.COM>
Date: Mon, 25 Feb 2002 15:45:43 -0800
> Does anybody have any ideas on this?  I took my TR3 out this past weekend
> and it would backfire from the exhaust everytime I decelerated in every
> gear.  It didn't run rough or have any lack of power, just alot
> of popping .
> The idle was good.  I have electronic ignition in it (still using the
> positive ground) and two DCOE 40 webbers on it with a electric fuel pump.

I believe that indicates the mixture is too rich on overrun.  How you cure
that with Weber's I have no idea.  How about a gulp valve ?

Randall

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