Hey guys need a little help. I'm replacing nasty my control arm bushings in the rear and I came across this axle dampner that's all dry rotted. It sits on the lower front of the diff. Any idea on bushings needed for this because I cannot find anything besides the ford website but you cannot buy them.. I'm stumped
Axle Dampener
- Thread starter Mustang922
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As long as it isn't hanging off the housing, leave it where it is. Some guys removed them after a gear swap (I used to too) but you're best to just leave it alone. If it is in fact hanging by a thread, I don't recall there being replacement bushings for the "dog bone" apparatus. You'd need to replace the whole thing.
Awesome! Thanks for the quick respond! It's on there tightly ain't going anywhere just figured if I could I would replace the bushings. Is it necessary to have? Only ask because you said some take it off with gears and next winter I plan on having the rear end completely rebuilt with new gears, axles, the works
The point of the weight is to dampen harmonics (and resulting vibration) caused by the gears. The higher numerically the gear set, the less effective the dampener is.
The old way of thinking was that the dampener was "tuned" to the frequency of the stock gears.....but since gear choices for fox bodies ranged from 2.73, to 3.08, to 3.27....and they all used the same dampener, this theory is full of holes.
Higher gear sets cause an increase in vibration.....that's just the way it is. So while the dampener may not as effectively control the resonating gear set as well when a set of say 3.73's is in the housing, it's still certainly better than nothing.
Many fill further attempt to justify its removal by claiming a weight savings....which technically is true....but we're talking all of 20lbs here.....and that's 20lbs at the rear axle to boot, where you want the weight. If it was coming off the front end, it would be a different story, but removing it from the rear is going to take whatever you gain in over all weight reduction and nullify it with a lesser ability to control wheel spin.
....so yeah, long story short....leave it there.
So don't know how they ended up sending me the wrong bushings so I sent them back and bought bbk rear control arms. But it doesn't say how much grease to pump into the fittings.. Stupid question but I don't wanna mess me up. And what's the best grease for these? I don't wanna use the crappy "universal" grease
Graphite grease is what you'll want to coat the bushings in. If they're polyurethane, they're known to squeak otherwise.
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