As far as the champion plugs, it just seemed I got a lot of bad ones
right out of the box. It now seems the Bosch ones can do the same. I'll go
back to Champion and give 'em a try. Especially since I put the old ones
back in and it now runs. I had pulled the tops of the carbs off, checked the
needles and jets and thought they looked egged a bit, although the general
concensus was that with about 72,000 miles they shouldn't be that bad. I
ordered a set of needles, but we tried everything from a nuetral point
first. I believe we were adjusting the needles the wrong way at first,
although we went all the way in and out, but with the other settings not
being right we went over the edge and it all started becoming redundant.(
hint- screwing the allen wrench clockwise, or in, pulls the needle up, for a
richer mix. Backwards of what one would expect-until the manual is actually
read..) This time around went much better, although right off the bat, we
noticed a bit of a skip, and found 2 plugs misfiring. After swapping them
out, things got better. More mistakes were made, more lessons were
learned............I now have a spare set of needles & my car now seems
quite happy. Thank you again for your help.
Kevin D. Thompson
CF55588U+O
Cape Cod British Car Club
Sally or Dick Taylor wrote:
> Kevin---It's probably not fair to compare your motorcycle 'Champion'
> plugs with those that I've found to work well in the TR6. That said, I
> believe the heat range of any plug you use will help the engine keep
> it's tune more than the brand name. If you still do not prefer the
> "Champs," (N12Y-C) or some combo of those characters, ask the clerk for
> a cross-referenced brand of your choice.
>
> In your original posting you thought that your carbs were "running rich"
> and suggestions were made on possible changes that could lean out the
> mix. Do you now believe the carbs had nothing to do with what you
> percieved as a rich mixture? What, if anything, did you do to the carbs
> after changing out the spark plugs?
>
> Dick T.
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