Possibly a stuck valve in the open position so the push rod could become
dislodged. When the engine cooled or got enough lubrication after a
while from starting up it came unstuck. Had the engine been standing
inoperative for a while?
Kees Oudesluijs
Op 27-5-2012 9:15, Robert Blair schreef:
Listers....Saw this recently in my area ...
Does anyone have experience with this problem and what happened and what was
your conclusion???
PROBLEM:
Motor with under 5K miles since full rebuild - never over rev'd.
One pushrod jumped out from rocker ball - expected nasty noises...
Tappet adjustment nut was tight after jump.
Pushrod slightly bent - as expected, but not enough to permit jump.
No follower damage.
No valve or piston damage.
Compression maintained.
SOLUTION:
Replaced pushrod and tappet screw.
Motor runs just fine.
What happened and why?????????
Opinions please ..............
Robert N. Blair Yellow 65BJ8 RNBmail@yahoo.com
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Kees Oudesluijs
Dorpsstraat 183
2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs@chello.nl
Technische commissie Jensen Healey en GT
Het Jensen Genootschap Holland
www.jensenholland.nl
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