@DFG56 posted:That's what I thought you'd say.
Well, then, I'm at a loss as to how to proceed. I don't see anything else that is adjustable or that I can take apart.
What you said about the bracket raising & lowering the worm off the worm wheel makes no sense, all of the years I’ve been doing this, I’ve never seen a gear box with an adjustment screw……I believe the bracket you’re referencing raises & lowers the pitch of the gear box angle. That bracket should “float” either on rubber pads, or on a spring. If you piled washers on it, and in affect, locked it down to the chassis, you’ve effectively put that gear box in a bind. That gear box needs freedom to roam ever so slightly, the drivers are on a suspension system. Thus, the gear box needs to be allowed to follow the suspension travel. The noise you’re hearing now coming from the gearbox is the gearbox in a bind. The screaming noise is coming from that crappy 550 3 pole motor. Perhaps you missed my reply regarding a 555 motor swap. That would be an ok upgrade and will certainly take a lot of the harshness out of that engine. You’re gonna have to reevaluate how you modified that gear box mount, and ditch the noisy 550 motor, otherwise, you’re just banging your head against the wall,…..
Pat
