problem with a miss

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maleman00

New Member
Joined
Mar 15, 2013
Messages
16
Changed valve springs and installed new plugs, started it up to find what seems like a miss. Nothing obvious jumps out. Any ideas
 
Maybe you damaged one of your ign. wires while removing them? You can look under the hood at night while the car is running to see if you have any spark leaks thru the insulation on the boots or coil. That usually shows up pretty good in the dark. Push rods were all seated properly? Rocker shafts securely fastened to the towers?
 
Could have a bad spark plug too. Gotta find out which cylinder is causing the "miss" and start ruling parts out. GL
 
Well today I'm going to start backtracking, thought springs etc. went smooth just took my time. I have the megnacore wires which I believe to be in good shape.
 
The header on the dead cylinder will be cold. Start it for a few seconds then shut it off. Feel the pipes. ;)
 
verify you didn't cross two plug wires. It's amazing how smooth these cars will run with two wires crossed. You'd expect it to be blowing fire and backfiring all over the place. Instead it just runs and sounds kinda 'grungy'.

Spritzing water or parts cleaner on the header tubes can help ID the cylinders to examine first too.
 
Id want to know HOW the push rod got bent, if it were my car? what caused it to bed and did it damae anything else?
 
I must have slipped it off the lifter when reinstalling, it seems fine with new pushrod installed
 
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