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

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Originally Posted by vetteguy

There is no pop pop from the carb. It is only backfiring/poping from the exhaust out of the right side that I am hearing the squeaking come from. Maybe I need to try and replace the lifters on that side...

take off all belts run engine for a very short time just long enough to see if the nose go,s away could be water pump .alt . starter could be hanging in so cold be a bendix . poping threw ex check pulgs . then check rockers if loose if the ex rocker is loose cam could be gone or bent push rods or collapsed lifter .if lifters bottom is gone or beat up then a new lifter is not going to fix it and engine needs to come apart to get all the iron that went thru it if the cam break in failed