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Reply to "Carb backfires"

quote:
Originally posted by No Quarter:
Guys ... it stands out that he has changed the points and not set his timing (or dwell angle) afterwards. So it would be a miracle if the timing is right. And late timing gives the symptoms he has. All agree? So this is probably 80% chance the issue. So worth checking first IMO. Wouldn't you? ....

It's often the simple things, start there, eliminate them, and then go to the more complicated stuff.


Agree 100% if the points were changed w/o regard to setting timing afterward that is the 1st place to begin

from experience it's a miracle to set points with a feeler blade and have the dwell in spec with an electronic dwell meter. at least for me & I'm not exactly all thumbs over here

my recommendation is always to pitch the points & buy an electronic replacement module, short of a more serious ignition upgrade

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stored engines can have several problems when brought back on-line, valves & seats can rust / pit / corrode causing less than perfect sealing ability



valve springs also sustain damage from remaining compressed and can break when the engine runs after sitting a long time. i caught this during a clean-up / reassembly of a stored engine. i barely noticed that something didn't look right and it took a closer exam to find the spring broke after i assembled the head

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