[ROVERNET - UK] Rover 2000 TC running on.
j_radcliffe at hotmail.com
Wed Aug 30 10:32:43 BST 2006
>--- Larry <lewill at ctcweb.net> wrote:
> > The TC keeps running when I turn it off. I
> > retarded the ignition to TDC
> > and this didn't fix the problem. The best octane
> > that I can get here is 91
> > count from the Chevron station. Any suggestions?
> > Octane boosters? Retard the
> > ignition to a few degrees below TDC? What timing is
> > correct with the fuel
> > that we have now? Also does anyone know how many
> > Rovers are showing up in
> > Portland Oregon this weekend? Thank in advance.
> > Larry
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>My Rover 2000 auto used to do that on hot days. This seemed to be a problem
>when leaded petol started to be replaced with lead replacement petol, which
>happened as late as year 2000. The problem seemed to be cured by firstly
>having the head off and decarbonising, while regrinding the valves. The
>mechanic thought that the burnt valve may have been caused by the over run.
>I now run on premium unleaded, 98 research octane (about 93 on the pumps on
>the US (R+M)/2). I also add Morey's upper cylinder lube as a lead additive,
>and I feel that this additive keep the engine clean. The run on problem
>used to be worse on hot days, and I would try to shut down with the car in
>Drive, so the RPMs would be lower. Also my mechanic set the timing to 8
>BTDC to take advantage of the high octane fuel.
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