Vibration issues after mods
6th Gear Member
Joined: Sep 2006
Posts: 11,278
From: Gainesville, FL
RE: Vibration issues after mods
Lethal carried the powerhouse shafts.
ORIGINAL: lldsandsll
vibrations are caused by the driveshaft.some brands have been known to cause vibrations. i called lethal performance to ask if they had a 1-piece alluminum and they said they don't stock them because too many customers got vibrations from them. i could be wrong but i believe that it was the denny shaft they had issues with. i asked if they tried coastline or spyder and they said they were going to test other brands first before restocking this type of part.
vibrations are caused by the driveshaft.some brands have been known to cause vibrations. i called lethal performance to ask if they had a 1-piece alluminum and they said they don't stock them because too many customers got vibrations from them. i could be wrong but i believe that it was the denny shaft they had issues with. i asked if they tried coastline or spyder and they said they were going to test other brands first before restocking this type of part.
ORIGINAL: bchataroo
Well, I have been fighting vibration since I had my latest round of mods done. The problem is that I had a lot of stuff done at one time. (please learn from my mistake and do not do too many mods at one time) There were zero vibration issues before the mods. So something that was done is causing the vibs. I think it may be mulitple things which will make things even more difficult.
I just put a new set of shoes on the car, so that is ruled out. There seems to be less vibs since the new shoes. Before the shoes, there seemed to be a vib from the driveshaft, but it seemed to go away after the tires. I have a Denny shaft, but it is not on because of major vibs at 85 mph. I have not triedthe Denny shaftsince the new shoes. My tires also have a slight slant in from bottom to top.
Here are the mods doneand symptoms. Please give me any ideas on what to look at.
Mods done
3.73 FRRP gears
Adj. LCA's combo style
Adj. panhard bar
Relocation brackets
Pulleys
Eibach Prokit
Symptoms
steering wheel vibrates "sometimes"
passenger seat vibrates at higher speeds
Well, I have been fighting vibration since I had my latest round of mods done. The problem is that I had a lot of stuff done at one time. (please learn from my mistake and do not do too many mods at one time) There were zero vibration issues before the mods. So something that was done is causing the vibs. I think it may be mulitple things which will make things even more difficult.
I just put a new set of shoes on the car, so that is ruled out. There seems to be less vibs since the new shoes. Before the shoes, there seemed to be a vib from the driveshaft, but it seemed to go away after the tires. I have a Denny shaft, but it is not on because of major vibs at 85 mph. I have not triedthe Denny shaftsince the new shoes. My tires also have a slight slant in from bottom to top.
Here are the mods doneand symptoms. Please give me any ideas on what to look at.
Mods done
3.73 FRRP gears
Adj. LCA's combo style
Adj. panhard bar
Relocation brackets
Pulleys
Eibach Prokit
Symptoms
steering wheel vibrates "sometimes"
passenger seat vibrates at higher speeds
2nd Gear Member
Joined: Feb 2007
Posts: 445
From:
RE: Vibration issues after mods
ORIGINAL: moosestang
Damn!!! I don't have any jack stands I trust that much.
ORIGINAL: jrm1900
take it to 100+ mph
take it to 100+ mph
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