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 at yahoo.com
>
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--
Kees Oudesluijs
Dorpsstraat 183
2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs at chello.nl
Technische commissie Jensen Healey en GT
Het Jensen Genootschap Holland
www.jensenholland.nl
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