Thread: Driveline alignment: how?

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Its an IRS setup. I also have a custom aluminum driveshaft. I have that out in the car and plan to drop it off this week to make sure its balanced. (I suspect it is not, but the vibration is so bad I didnt like going faster than 80mph on the hwy...) The driveline was also deffinatly not within the 2* I mentioned. It was very visible. when i got the car up and running last spring I didnt know anything about driveline alignment. I thought thats what the u-joints were for, so it was pretty far off. Probably a good 10-15*.

I figure alot of it will be gone just eyeing it better, but since I am down there and making new mounts anyway I'd like to get it perfect.

edit: the problem I'm running into, is how do I align the diff nose when there are no flat surfaces on it? Especially within 1* of the tranny tail, which is a very precise measurement...