The 2 previous answers are the general rule, the other is owners who
continue to insist on adding a lead additive to their gasoline. Short answer
is DON'T.
dave
frogeye@porterscustom.com
Porter Customs 2909 Arno NE
Albuquerque, NM USA 87107
505-352-1378
1954 BN2 1959 AN5
Porter Custom Bicycles
cars:
www.britishcarforum.com/portercustoms.html
gallery:
http://picasaweb.google.com/porterscustombicycles/PorterCustomBicyclesStuff
GO HERE: http://porterbikes.com/ nice pictures-fun facts-my world
Can only assume valve got stuck in valve guide. Happens when clearance is
not
right after rebuild or bronze guides are used.
Josef Eckert
Konigswinter/Germany
\
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 ..............
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