David,
This may be a little bit below you're level, but sometimes I find
it useful when I'm on a full-out troubleshooting mission.
Engines need only three things to run. Spark, Gas, Compression.
Sounds like you have spark.
Even if you have to unbolt the carburettor and spray starting fluid into
the plenum, you have gas.
Use a compression gauge and make sure you have compression.
If you have all three of these, the engine should run, possibly poorly,
but it'll run.
If you have smoothness problems above that, I'd start with
whatever emissions system you still have hooked up and make sure you're
not getting a large vacuum leak.
Timing curve miscalibration usually won't produce extreme running
conditions if you fiddle with the initial timing settings, so I'd stay
focused on the fuel delivery/intake system.
Good luck.
Greg
Greg Meboe meboe@wsunix.wsu.edu
Dept. of Mechanical and Materials Engineering
Washington State University, Pullman, Wa.
'85 XJ-12 H.E. (daily) '67 Spit-6 '74 TR-6
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