Quote:
Originally Posted by It's Just Eric
Rotten eggs points toward a clogged cat, the raw fuel smell, likely the cause. You notice it leaking on one side, I'm betting it's doing out of one of the exhaust joints. It's either not getting spark for half the motor or, and this is my bet, you have a cam out of time. I've seen them break where only a few cylinders were on point, and more than once found bad cam key ways where it meets with the cam gear. A quick visual inspection would miss this... If I were you I'd take it apart a bit and have a closer look
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To check this you have to remove the timing sproket to see if the U-shaped cutout for the round pin
is a good tight fit or has worn allowing the cam timing to change in regard to the actual camshaft.
Just looking at the timing marks will not tell you this.