Thread: Marine BBC has squeek in valve terain and has minor backfire

Tweet

so it not hard try unhooking the alt ? you have to make a list and start crossing things off you say you know .but do you if you have not check it?? i work at a boat yard this is how we did it . has for plugs looking good many times i had boats with new plugs that were junk did you try a new plug in that hole .did you check fire order you cross 5and7 it will pop but that not the right side less it driving off the crank nose ? did you check that hole for compression did you take the valve cover off and check for the things i listed ? if all this look s good then it wipe a cam and thats nothing new for a bbc sounds like the engine as on it way out any ways and it sounds like you must of over RPM it to a point to bust a wall out of the block so 5 years of EZ use or hard ? alum rocker start to fall apart if cheap one in less time then that whos alum heads name brand ? whos rocker arms ? was the block cut for added oil to the lifters . did they use CROWER hi lubes / johnson lifter with the flat ground in them ?