Deciphering Driveline Angles

[Charlie Brown]

I don’t have experience with TKX but ive derived manual transmissions since I started driving 35 yrs. Ever single one had a vibration in the shifter if you rest your hand on it, which you shouldn’t do. If you have a vibration while cruising without your hand on it and I believe your driveline angles should work fine. Time to look at the yokes and driveshaft balance.

Thanks for this. I'll try the hands off thing. In regards to yokes / driveshaft balance - it's a new unit and should be OK.

 

[Charlie Brown]

If you feel a shudder or vibration under acceleration, your pinion is too high. If you feel it under deceleration, your pinion is too low.
When I set my pinion the way everyone said it should be (3-5 degrees down) to tell the truth, when I looked in my rear view mirror at 60 mph, I couldn't tell if a tractor trailer or a Volkswagon was behind me. In your case, I would expect to feel a slight tremble in your shifter but you should be able to look in your mirror and see a solid image of what is behind you. Once you get your pinion angle set properly, you will know it.

Ok, I'm going to install my 2.5 degree shims next week and I'll see if there are any driveline changes. Thanks for your input.

 

[steve340]

Just keep in mind there are many other causes of vibrations all you can do is get the driveline angles being discussed here right and go from there. If the car is smooth - all good.
Can you post an update I would be interested in hearing how you get on.

 

[Charlie Brown]

Just keep in mind there are many other causes of vibrations all you can do is get the driveline angles being discussed here right and go from there. If the car is smooth - all good.
Can you post an update I would be interested in hearing how you get on.

Will do.