Recommended rear coil-over. (4-link)

[biomedtechguy]

I'm going with Caltracs split mono leaf springs. I'll talk to them about the 3 ride height options: -1/stock/+1 inch to see what is right for me.

 

[Jarven1977]

I talked about this with a colleageue of mine with a lot of experience from rally and racing. And he said something wise. When you have a suspension like the RMS 4-link with that much uniballs the ride is going to get rough on a street car. It's nice with a minimum of flex in a race-car but on a street car "something is gonna give in" meaning that you are going to stress something else when you remove all rubber connections.
All in all, I'm more confused than ever

 

[Jarven1977]

By the way, this is somewhat the stance I'm aiming for.

 

[biomedtechguy]

By the way, this is somewhat the stance I'm aiming for.View attachment 876603

PIC LIFTED!!! and

 

[bearman]

Lowering car with springs can happen many different ways. I believe the best way is to have the springs done the way you need them. Plus you can as also drill a hole in the front spring hangers one inch above the stock location. But remember to check pinion angle.

 

[747mopar]

Good read, I've been kicking around what to do with mine as well. Me personally I don't like a lot of these bolt in kits, they sacrifice geometry in order to make it fit then use heim joints over polyurethane or rubber which to me is a no no on the street.

 

[Jarven1977]

Good read, I've been kicking around what to do with mine as well. Me personally I don't like a lot of these bolt in kits, they sacrifice geometry in order to make it fit then use heim joints over polyurethane or rubber which to me is a no no on the street.

Totally agree. IF I were to build my own triangulated 4-link(still not decided..) I was thinking of using the rear wishbone bushings out of the W201 Mercedes. They are very durable, have some flex but still firm.

 

[biomedtechguy]

Totally agree. IF I were to build my own triangulated 4-link(still not decided..) I was thinking of using the rear wishbone bushings out of the W201 Mercedes. They are very durable, have some flex but still firm.

View attachment 881041

I don't know if this would be appropriate, but I chose these to tip the ends of the UCAs on our GTO:
https://www.umiperformance.com/home...int-end-¾-16-right-hand-thread-gm-a-g-f-body/

 

[bearman]

Bio like these because of the way you can service them.

 

[biomedtechguy]

Bio like these because of the way you can service them.

Lol.
I haven't had to do that yet, but I wouldn't argue that I may subconsciously factor that in to a lot of decisions I make.
I like them because they are sturdy yet articulate very well.

 

[747mopar]

Totally agree. IF I were to build my own triangulated 4-link(still not decided..) I was thinking of using the rear wishbone bushings out of the W201 Mercedes. They are very durable, have some flex but still firm.

View attachment 881041

Honestly I think I've just about decided that if I ever do my car again I'm putting an Art Morrison chassis under it and calling it good lol. Really pissed me off seeing a stress crack starting on the top of the quarter right behind the door where they always crack. I don't drive mine easy but I had hoped the subframe connectors would have helped.

Look into torque arm setups as well, I honestly think it's a better fit for these cars (look at a 3rd gen camaro). Very simple and effective and uses no space where these cars have none (behind the seat).