Check how much slop is in the timing chain. Ive never seen one jump ahead but I guess its possible with the plastic cam sprocket. If the exhaust is plugged you will hear hissing noise at the tailpipe. If you get a rumbling noise it is probably OK.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum