[TR] TR4 engine question

[Wbeech@flash.net]

Same problem here with the TR3 motor in the Morgan, but not the TR3.  I don’t see how ignition timing could affect it as it is turned off.  I used to hear it was due to carbon buildup continuing to ignite fuel, but that doesn’t fly for a fresh engine.  

I’m going to lean the mixture a little and see if that makes any difference.  Till then, Dave’s method of easing the clutch out seems to be the accepted workaround.  

Bill
TS30800L

Sent from my DynaTAC 8000X

On Feb 26, 2019, at 8:46 AM, Andrew Uprichard <auprichard at uprichard.net> wrote:

Assuming everything else (timing, carburation) is set, do you have an electric fan?  My TR3 runs on if the fan is still on when I turn the ignition off.
 
Andrew Uprichard
Jackson, Michigan
 
From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of DAVID MASSEY
Sent: Tuesday, February 26, 2019 7:34 AM
To: trguy75 at gmail.com; Triumphs at autox.team.net
Subject: Re: [TR] TR4 engine question
 
First off, congratulations on your win.
 
Secondly, do what I do.  Put the car in fourth gear and let the clutch out as you switch off.  Be sure to set the brake first.  My TR6 diesels even with the anti-run-on valve.  So does the TR3.
 
Dave

 
 
-----Original Message-----
From: Jim Henningsen <trguy75 at gmail.com>
To: 'triumphs' <Triumphs at autox.team.net>
Sent: Mon, Feb 25, 2019 9:41 pm
Subject: [TR] TR4 engine question

Fresh TR4 engine that does that "dieseling" thing after you turn off the
key.  It like it tries to keep running but with a cough and then stops.  The
TR6 has an anti-run on valve to help with that.  What do I treat on a TR4
motor?  P.S.  So proud that after 8 years putting my 4 back together stock,
I won first place in the sports car group at the AACC winter national. 
Thanks
Jim Henningsen
Ocala, FL
 
61 TR3A
62 TR4
75 TR6
 
 
 
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