Adjustable upper control arm opinions.

tcanin00 said
This is what I'm here for. Thank you for taking the time to measure and map out the difference between A and FMJ knuckles. I've had a suspicion that the FMJ knuckles have been part of the problem with how bad my car drives. I ran them with the stock uppers, torsion bars, lowers, strut rods, and stock K member with 215/60/15's and with decent alignment specs it was borderline dangerous feeling. It wandered around on the road following ruts and felt disconnected from steering input with a 24:1 manual steering box.

My apologize for distracting you with my responses. I was only speaking to something Blu said and wasn't trying to steer you in a direction to fix your car.

As @72bluNblu said above, the F-Body spindles aren't your issue. The differences I am speaking to is only for (potentially) how the car goes through a corner and probably doesn't affect straight line stability. And it probably isn't a difference anyone is going to notice on the street either. It's much more for a competition situation like autocross or a road course, and while I am comfortable with the direction I am going to go, I'm not saying the car for sure will handle better, worse or the same between the two theories.

Funny thing is, I am maybe struggling with a similar issue with how my car drives. I've put on SPC 1.0 UCA's, a new steering idler, replaced my PS box, checked everything front and back and squared up my alignment (I think) and still feels like something is broke. The only thing I know for sure is that the spindles aren't the problem. And I too am unable to get reasonable alignment numbers on the PS without the SPC arms or washers between the LBJ and spindle.