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Re: What's going wrong inside my 350?
He is talking about a Melling timing chain. For this mild of a cam I would throw any old double roller chain in there. Even a quality factory set would work. The merits of each have been argued since the birth of the SBC in 1955. Factory chains wear faster and get more slop but transmit less vibration to the valve train, gear drives basically never wear and adjust cam timing, and rollers are the compromise that most performance guys settle on. Personally I run the double rollers, even on 8k RPM motors.
If you look behind the balancer you can see the pins that the guys are talking about. Look at approximatly 3 and 9 oclock positions from the crank between the timing chain cover bolts. They are around an 1/8". Personally I never had good luck pulling the timing chain cover without dropping the pan. Usually the oil pans front seal would stay with the cover and tear the pan rail gasket. Good luck.
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