Car 345, rx7 rally car.

[GySgtFrank]

Originally Posted by Whizbang

well..... fuck

so i guess every wonky swap needs its problems. Mine turns out to be that i need to shorten the driveshaft...

The car was occasionally making a rattle / grinding noise. So i went underneath to take a look. The shroud thing was lightly grinding at the tail housing because the driveshaft is too long and slides all the way it possibly can. This also mean i had to pry rather hard to get the shaft off the pinion flange and its doesnt really like going back on... (crap!)

Since the diff was already leaking oil in a nice circle, and I was discussing doing a four link with another axle, I think this is the cue that it is time to make that happen.

The rear suspension is definitely less than ideal. Kind of fun changing things up though. I went with the three link because of simplicity. A lot of the guys that run them for road racing have been pretty happy with the setup. Whatever you run will have to be pretty stout for Rally racing I would imagine, and require a lot of travel while keeping pinion angle change to a minimum. Not strong points for the 1stGen rear suspension.