Thanks, Patrick.? I have been confined to short--30m or so--trips since
I rebuilt the gearbox and OD but I'm getting ready to embark on a long
road trip.? Maybe that will fix it.
Bob
On 5/24/2018 8:16 PM, Patrick & Caroline Quinn wrote:
> Hello
>
> The six-cylinder engine in the BN3 used to do the same and then we took it on
> some long trips of 500 miles or so. Never happened again.
>
> Previously the use the car received was relatively short which allowed for a
> build-up of carbon deposits in the combustion chambers. The long runs managed
> to get rid of the deposits.
>
> Remember our cars were built in an era when a decoke and valve grind was an
> annual or biannual event and I suspect that such a thing doesn't happen in
> this day and age.
>
> Hoo Roo
>
> Patrick Quinn
> Blue Mountains, Australia
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Bob
> Spidell
> Sent: Friday, 25 May 2018 12:09 PM
> To: Healeys
> Subject: [Healeys] Diesel BJ8
>
> No, I haven't stuffed a Cummins 6-cyl in my BJ8. But, my car has
> started dieseling--aka 'running on'--more than it used to. Compression
> is high-180PSI give-or-take on all 6--but mixture is good (I think) and
> idle is usually around 700-750RPM depending on conditions. Timing is
> spec (15deg BTDC at 600RPM, vacuum advance disconnected and port on carb
> plugged). I've always run Champion RN12YC plugs, and have never had a
> problem with them, but I'm wondering if colder plugs might help.
>
> Thoughts?
>
> Bob
>
> _______________________________________________
>
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