Add, check the thrust washers!
-jimb
http://www.snovalley.com/~monica/jbtr6.html
Jeff Nathanson wrote:
>
> I thought that a collaborated list, which enumerates
> reasons that would contribute to a poorly running TR6 (or other
> Triumphs), would be benefical to most of us. Here' mine. It contains
> some rather obvious entries. I'm assuming we can all learn from other's
> mistakes. Please add your experience or correct my errors (my experience
> is only 1 year's worth)
>
> 10. Brakes locked?
> Jack up car and ensure that all wheels rotate freely
> 9. Both carbs functional
> Lift air valve at idle - motor should either die or
> increase RPM's. Adjust floats if no change.
> 8. Both carbs synchronized
> Ensure that linkage between carbs are tight so that
> both throttle plates rotate when accelerator is
> depressed
> 7. Spark plugs
> Make sure all plugs fire. Take one plug out at a time.
> Inspect against a chart like in the Haynes manual for
> obvious problems. With plug out and grounded, turn
> engine over and ensure a spark occurs.
> 6. Spark plug connections.
> Make sure wires and plugs are connected correctly.
> One mistake means that at least two cylinders (25% of
> the engine) is misfiring.
> 5. Compression
> Ensure all cylinders are within 15 PSI of each other
> and all are above 125. Consistant low means head and/or
> ring job. One, or a few, low ones means check the
> valve clearance.
> 4. Valves.
> Check clearence. Loose valves will contribute to bad
> compression.
> 3. Cap, rotor, points, condensor.
> Check cap for cracks. If you don't know or can't
> remember when they were replaced, put in new ones. It
> just isn't worth worrying about them.
> 2. Alternator, battery
> Check that the batery wires are tight and that
> the ammeter is pretty much in the middle
> 1. Timing BTDC
> I don't care what the manual says. Dynamically tune
> for at least 10 degrees before TDC.
>
> I'm sure that there's alot more so that this list can be enriched.
>
> Jeff Nathanson
> '72 TR6
>
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