Hey guys ive very recently got into looking at the idea of using pushrod style coilover assemblies. i really think it can work, what do yall think?
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I've kicked around a pushrod setup for quite a while, but every time I look at it seriously for a Corvette it looks like a packaging nightmare that also adds weight and complexity. It certainly helps to reduce aero drag on open wheel cars, but it's not a factor with fendered vehicles.

Please don't let me affect your decision. I make no claim that my opinions are any better than anyone else's. If you do take on this project, please post pictures. It is an interesting modification.

 

I'll be honest this is the first time I've ever heard of a pushrod suspension. That's pretty neat. Could that be done with a coil over spring or would you need to keep the monoleaf?

 

I like technical challenges and the idea of customizing in general but in this case, I don't see any practical reason to go to the amount of effort this would take. What would be the benefit of this setup? Would it yield an actual advantage at all proportional to the work?

I think the best use of energy as applied to the C4 platform is in improving the chassis stiffness. The suspension has already proven itself.

 

I agree with ThickLizzyVetteswerv, chassis stiffness is where you will find improvements, but I'm very new to the C4 so take it with a grain of salt.

Shue, what chassis bracing have you done as of yet? And what advantage are you looking for with the pushrod setup?

 

well there are alot of things the c4 platform will benefit from pushrod/cantilever suspension. First being it allows the right height to be dependent upon the pushrod length allowing a quick adjustment will be crucial to dial in the car for different track setups. Using Summit Racing PN: SUM420303. Second, I will be able to utilize full travel of the suspension and provide proper dampening, spring rate, bump stiffness, etc. stock rate with the factory leaf spring is 54 nm. Vansteel makes great products for these cars. Also this car will be receiving a full makeover for cooling, etc. currently have a major issue with heatsoak in the engine bay. also these cars typically create negative pressure underneath the hood causing front end lift at higher speeds. I plan to use aluminum to create a underbelly to the rear diffuser. will use spare tire cover mounting location. I plan to shave alot off the car for full adjustment.



dont get me wrong this thing handles crazy with my current alignment specs. having a shop to work in is a luxury. i will attach some images. car was in 1 accident. figured since im gonna be doing body work i might aswell go all in. I plan to stay with the small block for power. since i have alot of SBC parts. 2.08intake, 1.94exhaust ported heads. A LT1 manifold modified to fit a SBC gen 1. got a remote t stat. KB111 Pistons. 383 Crank

 

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It's called cantilever suspension very outdated other than open wheeled race cars. IMO not worth the trouble when the more common coil overs are easily installed . The rear suspension has more challenges since arms move radial.not linear. The longer threaded spring bolts to adjust ride height is simple and cost effective.