This is topic SHAKE SHAKE RATTLE RATTLE @ 80mph+?? in forum Tech Talk at Northern California Ford Owners  .


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Posted by Jdub07 (Member # 1973) on :
 
its not the elignment car goes strait as an arrow. But when I go 80mph or more the stick rattles and the car (((((vibrates))))) if this is the drive shaft how much is it to get it ballanced and where is a reputable place to get that done or can I do it myself?
 
Posted by JohnB (Member # 969) on :
 
First, check to make sure your bolts are tight at the driveshaft. Then check your u-joints. Also, make sure your tranny mount isn't on it's way out..most are bad after only a few years. I'd bet it's one of those..and not a driveshaft needing to be balanced.
 
Posted by 87 Saleen (Member # 1549) on :
 
It can actually be a number of things, you're not alone though, check out this thread:

http://www.corral.net/forums/showthread.php?s=f19aa4e451b57fa1f5757c05e21b44b1&threadid=18043&highlight=bad+vibrations

[ January 30, 2003, 10:54 AM: Message edited by: 87 Saleen ]
 
Posted by Black94 5.0 (Member # 655) on :
 
Drive Line Service of San Leandro (510)352-3500 charges $65 to get a stock 5.0 D/S rebalanced..It happened after the gear swap, right?.....

Try going around 170mph and let me know if it still vibrates.....JK [Big Grin] [burnout]

[ January 30, 2003, 11:43 AM: Message edited by: Black94 5.0 ]
 
Posted by street_illegal_stang (Member # 1554) on :
 
my car does the same thing right now but more like at 70mph +
i went to look under my car and found that the u-joints behind the tail shaft of my t-5 are not u-joints any more there more like just studs holding
my driveshaft on. [Roll Eyes]
i'm just gonna save and get a fms alum drive shaft
i havent heard any real complaints about the alum driveshaft.at least on a mildly moded fox body.
 
Posted by 91sleeper (Member # 779) on :
 
I don't know anything about drive shafts, how does someone balance a driveshaft???
 
Posted by Jdub07 (Member # 1973) on :
 
Yeah it was after I got the 355's installed. It would do it before but at around 100mph and up. Now with the 355's is around 75 - 80 mph and up.
 
Posted by HungryHippo (Member # 537) on :
 
most of the time its the just the driveshaft or tranny mount... if it is the driveshaft, just buy a new aluminum one from fms. when i changed my u-joints with quality pieces, it got worse.
in my case, i'm still trying to find the problem. i think its the tailbushing in the transmission.
 




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