Question about 1983 Jeep CJ5
Outer ring of the crank pulley may have spun on the center hub. If that has happened, it's not even close to where it should be. Check actual TDC by removing #1 spark plug and inserting a plastic drinking straw into the hole as the piston is coming up while you turn the engine by hand (key off). TDC will be at the place where the straw stops going up. Mark the pulley with white paint or crayon and use that as the crank reference mark.
There are better more accurate (and complicated) ways of doing this but it should get you close enough for now. Replace the pulley as soon as you can if it has turned though to prevent further problems.
Also keep in mind that factory specifications worked well with fuel available then. Today's fuel is of lower quality and some "by ear" adjustments may be necessary to compensate for that.
If you have no other engine problems this should work.
Posted on Jul 03, 2010
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Posted on Jan 02, 2017
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