Quote:
Originally Posted by chevy_mike
Turn the radio up louder.
Problem solved. You're welcome. 
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It would be like those geico eyes. "I always feel like somebody's watching me"
Quote:
Originally Posted by vectorit
Is the tank vent clear? Just a thought, but maybe suction is causing the tank to oil can. As in, when the RPM goes up, so does the fuel suction. Then when you let the throttle off, the tank pressure releases in a way that causes the wall of the tank to pop? Don't know if this is even possible, just throwin out a crazy idea for ya.
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Yeah, we wondered about that. Those two fuel lines going up high into the passenger side of the cab................ is the freakin vent up there?
Quote:
Originally Posted by toddtheodd
Mine started knocking like that... rpm specific and stuff. Turns out I was || <--this close to throwing a rod. Also, some thrust bearing or something in the crank was gone.
Have you towed anything lately? Certain conditions in towing can cause the torque converter to balloon which is what destroys the thrust bearing thingy...
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I hit the block and oil pan with the stethascope but no knock. However, in that fuel line it's really loud.
As for the tranny and hauling. The only thing I did was race an Impala SS last week and that wasn't anything crazy just a stop light run. The tranny is a TH400 so it should stand up to more than that. I did check the bolts and flywheel though. Looks ok.