I have heard this more, but don't understand.
At time you switch off the ignition, there are no sparks at the spark plug
anymore. Still the engine goes on (like a diesel engine).
Why should the cause of this be found in the incorect timing?
Cheers,
Hans
'71 BGT which does not suffer of dieseling
> -----Original Message-----
> From: Chris Velardi [SMTP:tchris@freewwweb.com]
> Sent: Wednesday, November 10, 1999 2:52 PM
> To: Tab Julius; Steve Conley
> Cc: Skye Poier; MG LIST
> Subject: Re: What causes "shutoff shudder"?
>
> Dieseling is most commonly caused by incorrect timing
> Chris "V"
> http://www.xtremedefender.com
> http://www.extremeforce.com
>
> ----------
> >From: Tab Julius <tab@penworks.com>
> >To: "Steve Conley" <swconley@foxinternet.net>
> >Cc: "Skye Poier" <skye@ffwd.com>, "MG LIST" <mgs@autox.team.net>
> >Subject: RE: What causes "shutoff shudder"?
> >Date: Wed, Nov 10, 1999, 8:25 AM
> >
>
> >
> >Thanks to all - I've had a number of suggestions, a few have narrowed
> down
> >to this valve, which I will check, but all are good ideas.
> >
> >- Tab
> >
> >
> >At 10:37 PM 11/9/99 -0800, Steve Conley wrote:
> >>The '73-80 models of B have the anti-run on valve. When you (not you
> Skye!)
> >>turn off the engine, you should hear an audible click from the valve
> >>kicking-in. It is located on the passenger side of engine compartment by
> the
> >>carbon cannister. My '76 had a short period where it would diesel a bit
> and
> >>it went away as quickly and mysteriously as it appeared. I just shrugged
> my
> >>shoulders and didn't try to figure it out!
> >>
> >> Giving money and power to government is like giving whiskey and car
> keys
> >>to teenage boys. -(PJ O'Rourke)
> >>
> >>Steve Conley
> >>Marysville, WA USA
> >>'76 MGB Roadster
> >>GHN5UG393585G
> >>mailto:swconley@foxinternet.net
> >>MGB Online = http://web3.foxinternet.net/swconley
> >>
> >>
> >>
> >>-----Original Message-----
> >>From: owner-mgs@autox.team.net [mailto:owner-mgs@autox.team.net]On
> >>Behalf Of Skye Poier
> >>Sent: Tuesday, November 09, 1999 1:41 PM
> >>To: Tab Julius
> >>Cc: MG Nuts
> >>Subject: Re: What causes "shutoff shudder"?
> >>
> >>
> >>Word on the street is that Tab Julius said:
> >>> Turning off my ignition, my 78B's engine will often give me a few
> shudders
> >>> before it decides to shut off for good. This is an effect I remember
> >>> fondly from other older manual, probably non-fuel-injected cars (most
> >>> notably my long-gone yellow 72 beetle). Releasing the clutch (to a
> gear)
> >>> causes it to shut off quicker (okay, stall).
> >>
> >>The common term for this is "deiseling" or "run-on". The engine is hot
> >>enough
> >>to continue to ignite air/fuel even though there is no spark. I
> >>could be wrong, but I think your 78 should have an anti-runon valve..
> >>the gulp valve?.. I don't know a lot about the emissions systems on
> >>later cars.
> >>
> >>Skye
> >>
> >>--
> >>1966 MGB - GHN3L Safety Fast! __,__\__
> >>The MGB Experience http://www.mgb.bc.ca/ (_o____o_)
> >>
> >>
> >>
> >
|