400 not running....help!!!
Posting Guru
Joined: Mar 2003
Posts: 1,253
Likes: 2
From: spartanburg, SC
My buddy had the same thing happen. a peace of the nylon timing gear got in the oil pump and lock it up which caused the shear pin to break and it made two very backfires out the exhaust.
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Elder User
Joined: Jan 2000
Posts: 661
Likes: 1
From: Villa Ridge, MO
I supose we will try the dist 180. I just lines up with the compression stroke every time.....heck...when i get a chance to mess with the old thing....haha......who knew old trucks could be this hard to figure out!!!!!
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Elder User
Joined: Jan 2000
Posts: 661
Likes: 1
From: Villa Ridge, MO
UPDATE: We found out that it was the Timing gears and Chain. New set...truck ran....imagine that! Chain had TONS of play in it. Gear slipped....timing off. Hope this can help others that might have a boss that thinks he knows it all! haha.....thanks!
