last month we add some parts our my friends evo8 ... mods are : greddy ti , hks cams,injen intake,crower valvetrain,hks cam gears....

yesterday he pulled the car at 2nd and 3th gear. When he leave the pedal car started to the vibrate at 3500 rpm. Also this vibration makes some noise and dither the streering wheel.


we think about motor mounts our mechanic checked but fond nothing... also we think to install ingalls torque damper...

anyone met this situation ???

please helpppp ............

 

I would like to help, but your post is in broken English at best. Put together some sentences that make sense and the help will come.

Does the car vibrate at 3500 or does it vibrate at a certain speed? If it vibrates at a certain speed I would check the alignment.

 

sorry for my english

car vibrate 3500 when we leave up the pulling

 

What i would check?

cam gears/screws.
maybe you forgot to tight your wheels? check your lug nuts.

your suspension is stock?

 

Also check you wheel balance. The vibration may have nothing to do with the new parts on the car.

 

I had the same problem, it is the balance shaft 180 out of phase. (If you noticed it after messing with cam/gears/or timing chain.) it can still be lined up on the marks, but still be upside down. If this is your problem, FIX it before you crack the AC bracket/Alternator bracket, etc... Trust me, it cost me alot to figure the problem out.

https://www.evolutionm.net/forums/sh...d.php?t=165626

https://www.evolutionm.net/forums/sh...=167298&page=3

 

Read this one. This is the one that might help the most.

https://www.evolutionm.net/forums/sh...d.php?t=159892

 

????? Updates?????????

 

problem stiil continue...

our mechanic was changed cam timings but still vibrate at 3500 rpm..

 

+1 When you guys did the cam and gear install the timing belt could have easily slipped a few teeth or so. I would pull the lower cam gear cover and check all of the timing marks. And if they are on make sure the front balance shaft isn't out 180.