ok i got new rims new tires new driveshaft all.. balanced .... got pinon angle check alone with ajustable torqe arm and pan hard rod... and lower control arms..... but when i go faster speeds of 60-70 i still feel a vibration in the clutch petal and my shifter ... what can it be trans problem? clutch problem??? please help me

 

If the vibration increases with speed, double check the tire balancing, it's cheap and easy.

If the vibration increases with RPM and you can feel it in the clutch pedal, it might be a flywheel issue. I'm getting a new flywheel installed tomorrow because mine is warped, it vibrates the car just sitting at idle, and it's also in the clutch.

Just tossing ideas out.

 

i had a center force dual f clutch installed... and stock fly wheel the people that installed it said that they balanced it or something ... so u think it can be that ...? what should i do .. and what would it cost?

 

Well, i'm no drivetrain expert, i'm just popping ideas out from my experience.

I've been told that our stock flywheels can't be cut more than once, or over a certain thickness (as with any flywheel) or they won't let the clutch disengage properly without the use of a shim. Also if they're warped, you might experience jittery clutch engagements. I had a vibration in the clutch pedal AND jittery engagements. To the best of my knowledge, the flywheel was cut at least twice, which i guess is once too many.

My car is in the shop right now getting the flywheel installed as i don't have the proper equipment to do it myself. I purchased an SLP flywheel that is 7lbs lighter than stock for approx 400 after shipping, and about 200-250 for installation. I wouldn't go right out and get a new flywheel however. If whoever installed the clutch knows what they're doing, your flywheel is probably alright, but i wouldn't totally discount it. If you have a nice local mechanic that is pretty experienced and wouldn't mind taking your car for a spin, see what he thinks.

Does the vibration only increase with speed? If this is the case, the flywheel is out, as you'd feel the vibration with an increase in RPM.

 

i think that when i sit at park and rev my engine i can feel a small vibration in the rpms as it climbs but when i go faster speed it increases or it get worse ... to the point of when i hit 90-100 its so bad i have to slow down

 

ok i just got off the phone with the people that installed my clutch and they said they didn't balance the fly wheel or anything that it was a stock flywheel and didn't need it... and the clutch i got off ebay new never used,... alos i do have a poly trans mount... PLEASE ... if u have any input please help me.... and also all u guys that had a problem before please tell me what it was and how you fixed it..

 

My centerforce DF clutch caused vibrations. I now have an SLP clutch i'm about to put in with a new flywheel. I hope that it'll fix the problem.

 

i had a vibration be4 the clutch at hight speed and still ... maybe putting in that clutch and doing a cam and all make it worse but i don't think its the cltuch causeing this

 

I have the same vibration, in the clutch pedal that gets worse when RPM's climb, and i can't go over 90-110 for fear of vibrating the car apart.

I'll let ya know when i get my car back if the flywheel did anything. I've got a new tranny, yolks, driveshaft from inland drive empire that's supposed to be balanced, so that's the last thing to go!!

 

yeah i did that with the driveshaft also.... but i feel ya on the 90-110 thing im scared i need a soultion to this dammmed problem let me know what happenens

 

Poor Will... you still didnt fix that :-D... mine vibrated like that, then i got a spec 4 clutch and slp flywheel it went away, but i also have a fully adjustible suspension from profab... to bad im not bringin the car up with me or you could take it to the shop and say do this. :-D ttyl

 

Well, i got my car back last night (day late) and the results are in!!

The clutch pedal still vibrates!! It's not as bad at idle, but is just as bad at speed.

The clutch engages much better now, and it still vibrates, but not AS bad at 90-110.

I give up... I've replaced the flywheel, tranny, and driveshaft...

 

have u done anything else since?

 

Check the following:

wheel balance, do it even if you think its good
Check wheel bearings
try flipping your DS 180*

I had a vibration at about 80+ and it was my drive shaft

Honestly thats pretty much all it can be.

Ohh and if not, check your tires they may be worn out badly from a bad alignment, easiest is flip DS 180* and borrow all 4 new wheels/tires.

Make sure its not in your head, put it in 6th at low speed and see if you vibrate, if you do then you prolly have 1 dead cylinder that shows up under load.

 

I had a vibration a while back that drove me crazy. It would start at about 52 MPH and got worse at 60 - 62 MPH. I could feel it in the floorpan and shifter. Not sure about the clutch pedal; I don't recall.
I tried wheels, tires, driveshaft, everything I could think of.


Finally, I replaced my Poly trans mount with a rubber one and the vibration was gone.