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New tubular rear suspension


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The price is $875 and they come with everything you see in the picture. To answer another question and explain some of the reason for the price I will tell you a few things that are not on Jerry's website.

 

The reason the sway bar mounts are so close to the bar is for a better alignment of the links to the sway bar, in the current location you have the least amount of lateral load on the link at any point of suspension movement. The suspension uses FK 7/8†male heim joints which are rated at 68k psi (the following link shows the furmula to arrive at the rating) http://www.aedmotorsport.com/FK/ENGINEERINGDATA.htm and cost $98 each. The arms are constructed with all 4130 chromoly. Main frame 1 1/2"-.120 wall chromoly tubing, Inter-frame is 1"-.120 wall, and 3/16†inter-plate, all chromoly. Jerry built these things to handle the power his car makes (tuned for 1150 flywheel hp on race gas). Jerry also has an unconditional lifetime garuantee (sp) that if you ever break one of his lower control arms he will replace it for free as long as you send him the broken one back with pictures of the car and an explination of how it happened.

 

Dragonfly

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Thrust angle and toe adjustment would be a PITA. Couldn't do it with out pulling the pin every time. That could take a while setting up. They look nice though.

 

We have found that the initial set up takes about 45 minutes to get exactly what you want after that it is recomended that you use camber plates for the majority of your future alignments.

 

Dragonfly

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Im with clifton here, they look nice but if they arent on car adjustable they just arent worth it. Especially with the spindle pin design. If the upright was tapped for bolts then it would be more convinient, but i think azcar still has the right idea.

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Very pretty. Same old issues- Not true triangulation so thrust and drag are carried by tube bending and I suspect the moment of inertia of the tubes is not as great as the stock part. No limit to how much an idiot can unscrew the heim joints. Threaded sections in bending. Not on car adjustable so what's the point. But did I say pretty?

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Very pretty. Same old issues- Not true triangulation so thrust and drag are carried by tube bending and I suspect the moment of inertia of the tubes is not as great as the stock part. No limit to how much an idiot can unscrew the heim joints. Threaded sections in bending. Not on car adjustable so what's the point. But did I say pretty?

 

Some of the things you say I do not have an answer for but I can give you some insight... When Jerry decided to make these he wanted to use the engineering that had already been done by Nissan which is why they have the curves you see (they match the curvature of the stock parts), because he wanted them to be considerably more heavy duty than stock he used heavy walled tubing etc. which has caused the part to acualy weigh a few ounces more than the stock parts. You are absolutely correct that any idiot can unscrew the heim joints out as far as they want. I did give Jerry a hard time from the very begining about the non on car adjustability of these parts but in his mind he felt that after it was setup it should be locked down and not adjusted on the car other than camber which would be done with camber plates.

 

Dragonfly

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Jerry called me a little while ago and told me he is going to run a special on the lca's, he is going to sell them for $675 for the time being. For anyone who would like to ask Jerry some questions directly drop him an email at support@zraceproducts.com, you can also ask me questions about any of the ZRacezproducts stuff here in the forums, by PM, or be email milezgray@yahoo.com.

 

Dragonfly

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