Rear Double A-Arm Suspension ?

[volkdent]

Here ya go. I don't think it was ever completed. Look under Pictures.

Dobergoose

I think getting the back clip off of one of these babies would be perfect.

Saker Motorsports

Jason

[PJL54Oval]

Thanks, I belive these are the bits and pieces I saw on the GermanLook main page under suspension. The uprights are similar to what I had in mind. I would make them using the Beetle bearing hubs that I can get aftermarket. Now your other alternative would be killer but I can only imagin what the cost might be. You're using a strut setup aren't you?

[volkdent]

Yeah, I'm using MkII KW Variant III coilovers. I know the shocks will be great, but I'm worried about front end geometrys transition to a rear application.

[PJL54Oval]

I thought about using an upright from a fwd application. and fabing a new top to accept a ball joint or bushing like the Fiero/Lambo guys do. I would think in your application getting the length and location of the tierod correct is the big concern. Bumpsteer and all. I think I'm going to start fabing up a set of homemade hubs and see how it works out.

[volkdent]

Yeah, I'm sure I'll probably have toe change issues. I'm prepared to change the inner tie rod pivot points up and down and forward and back, and also relocate the outer tie rod ends to the bottom of the spindles. I just don't know yet which way I need to go. The guys at Momemtum Tuning back east did a mid engine 1.8t conversion into a MkII golf, and they had toe issues, but I don't really know what ride height they were using and what angle the lower control arm sat at.

Jason

[PJL54Oval]

If it were double a-arm, mapping out the pivot points would be easy but I am unfamiliar with the Strut setup. I suppose you could mock something up easy enough and see what the results are through the suspension travel.

Anyway, I'm going to draw up my rear hub carriers in Auto Cad and post it as a jpg and let anyone who wants through darts at the design and see if I'm overlooking anything.

[GS guy]

Hey -Oval,

I'm doing a 5-link IRS, somewhat similar to what you're planning. I happened to luck into a NOS set of Chassis Shop uprights after looking around quite a bit to see what was available. Unfortunately, C/S no longer makese these uprights - which are pretty neat because they'r fairly lightweight and take all standard air cooled bearings and stub axles.
The other alternative as I see it is either go with alloy formula car style uprights (these generally take water cooled VW bearings & axles), or the more reasonable approach cost wise is to adapt a set of standard FWD spindle assemblies - the ones that use bolt-on struts. Modify the upper mount to take an a-arm or link, fab up a custom lower arm to fit the ball joint and use the steering arm for a toe link.
Either way, it's a lot of custom work - but seeing your frame and oval project it doesn't seem out of line for what you're building.

Jeff