I'm using a Crane 700 and Lucas Sport coil combination on both my TR3
and Stag. I don't have a ballast resistor on either one. The TR3 has
been running for almost 5 years now, and the Stag for 2+ with no
problems whatsoever with the ignition systems.
Sloan, Jim wrote:
>Ref: 1974 TR6.
>I've decided to replace my points with a Crane unit - either a 700 or 3000
>and also my coil. I would like to acheive good timing and a strong spark,
>partially to eliminate these as causes of poor running/missing under load.
>Already did the plugs, timing, sparkplug leads, unisyn and attempted to
>colortune the Strombergs, but the last one is another challenge to be
>revisited (can't get to blue).
>- the archives back a few years frequently mention the Lucas Sport coil. Is
>this still a good unit to purchase?
>- Alternative coil recommendations? Why can't one just use a NAPA american
>car coil?
>- If I run a Crane 700 do I need to retain the ballast resistor? What about
>the 3000?
>- if so, doesen't retaining the ballast resistor defeat the advantages of
>the high output coil
>- therefore doesen't that leave the Crane 3000 (which I think is needed if
>the external ballast is to be bypassed - see question above) and the sport
>coil (or equivalent) clearly the best combination for both accurate timing
>and strong spark?
>
>
>
>
>
>
--
George Richardson
1957 Triumph TR3 - TS15559L http://www.key-men.com/triumph
1975 Triumph TR6 - Undergoing restoration
1972 Triumph Stag - Daily Driver
Key Men: Keys for Classics - http://www.key-men.com
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