Evo 9 with new MAP engine, Jacks racing trans, FP Black, cams, etc, etc, etc.

Most mods were already installed but the engine and trans are new. The Vibration only occurs between 2600 - 3200rpms, in any gear. It will do it at idle too as long as its on a level surface. After looking numerous times with the car in the air while its running I found that it wont do it unless its on the ground. And if its in the driveway on an incline it doesn't seem to do it either. I have beat the **** out of it with a mallet trying to get any type of vibration to occur but nothing. Exhaust, turbo, cross member, and the 2 rods that cross under the downpipe. Nothing..... Not even a shimmer. Oil is full in trans and transfer case, and I bled the transfer case twice with no air coming out while pressing the throttle. WTF???? PLEASE HELP...... I go to get tuned on Thursday and would like to get it fixed before then. Any ideas please reply. Thanks guys.

 

The feeling is as if a 10in sub is in the floorboard, but I got no subs.....

 

I've got a similar vibration. I'm running a MAP 2.3, Jacks Transmission, and a Quarter Master 8-leg clutch. I'm running all 4 Torque Solutions mounts. I didn't have it with the stock block and the TS mounts using an ACT HDSS clutch. In my case, the engine, transmission, or clutch would have to be culprit.

I've owned several built DSMs and never noticed this type of vibration from removing balance shafts. However, I never used such a stiff motor mount set on any of them. Be sure to post back if you ever figure it out.

 

My mounts are oem and I'm using an ACT sprung 6 puck and it has the balance shaft removed from MAP. Just took another Evo friend for a ride and he has almost the same setup except for the turbo and cams. He doesn't have the vibration but he too has the balance shaft removal kit. I'm lost.....

 

I was just coming in here to mention that maybe MAP removes the balance shafts in their builds, which could cause that.