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Offficial Polyurethane bushing group buy!

22588 Views 122 Replies 36 Participants Last post by  ryans13
So it is final! The polyurethane control arm and shock bushing kits are ready to start taking orders! My very first call looking for parts for my car was for polyurethane bushings over 2.5 years ago. Nobody made them. I have finally gotten so sick of the wet sponge feel of my cars handling, I have decided to make them! This first group buy is for 1996-2002 GTS and RT/10
For those not familiar with Polyurethane bushings, there is alot of advantages. Polyurethane is chemical resistant, will not break down like rubber, alot firmer than rubber, and in the case of the Viper, you no longer need to buy a full control arm or shock to replace worn bushings!
The stock rubber bushings allow for alignment change and control arm movement when subjected to cornering, braking, and acceleration forces. On cars with skinnier tires, this change is less noticeable. But, the viper being able to create greater forces than most cars, and larger tires then most cars, this alignment changing relates to a car that feels loose or unpredictable when being pushed near the limit. With the poly you get far more predictable handling, and far longer bushing life.
Not only is there the obvious performance gains to the poly bushings, but it can be looked at as a maintenance part also for the Viper. Upon pulling my car apart (97 GTS) i noticed the stock rubber bushings were in far worse shape than originally thought. Every bushing on the entire car was cracked, some even with chunks missing. Even not all of the stock bushings are available without the purchase of a whole new control arm, or new shock. My shock bushings were approx. 1/8" offcenter with no weight on them out of the car. With weight on them, and figuring in where they bolt onto the control arm, this could equate to about 3/4" or more in dropped ride height, and the first 3/4" of rebound being nothing but bushing play! The bushings are not dampened by the shock, so it can induce a slight amount of bounce. Not good for handling!
So in this initial group buy you will recieve all control arm bushings, all shock bushings, related hardware, and an alignment lock kit that is installed once your alignment is set. These are all parts made in short runs specifically for the Viper. All hand made in the U.S.A.!!
I understand some of you already have aftermarket shocks that have uniball or some type of solid mount already. In that case just let me know and i can subtract the price of the shock kit.
Instructions will come with each kit. Some of the stock bushing outer cases are kept, and some inner cases are kept. This is all outlined in the instructions. Polyurethane bushings must be greased, so we include grease taylored to this. A special oil has also been added to all of the bushings to help eliminate sqeeking.

Group buy price is $640 shipped anywhere in the U.S. I will be holding that group buy price for an entire month!! After March 15th, price will go to $700 shipped. They will ship via usps priority. Paypal is preferred method of payment. I have over 330+ positive feedback on Ebay with a 100% score, and about 500 total paypal transactions.
My cell phone # is 503-504-1037 (Scott) and can be reached at that number to help with install questions or tips. The website will be up very shortly and am reviving the name SVRTech (the name of my parts business i had before my day job got too busy!). A quick search and you will find many videos posted by customers about prior products on the 350Z/G35 chassis. As far as i know, I still have the highest bolt on power record for exhaust designs.

Now the pics!!

Full kit you will receive with group buy price

Control arm only kit

Shock only kit

installed upper front control arm

Pic of how bushing goes together for all lower control arms with s.s. washer thrust surfaces.

All alignment lock shims are 304 stainless. All lower control arm bolts are fine thread grade 8 bolts with grade 8 nylock nuts. All thrust washers are also stainless. All center bushing material is drawn over mandrel steel.

This first group by is for all 1996-2002 GTS and RT/10. Gen 3-4 is right around the corner with gen 1 right after that.

Pm me or post questions here!
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Just to add. I am also offering a service where you can send me the control arms, and shocks, and i will install them for you and send back. Labor charge is $200 excluding shipping. Local installs can be handled by Portland Speed Industries here in Portland. I will be meeting with them on proper install tips and tricks.
Interested locals will also get shipping and paypal fees removed for even a better deal!
How much without the shock bushing kit?
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Congratulations on coming to market with a fine and necessary product, Scott!

I'm in for a set of upper control arm bushings, since I have monoballs in the lowers. I'll be in touch soon.
pm sent!
sounds great dean!
already adding to initial order! thanks guys!
overZealous1 you've got a pm
we also have dealer and shop pricing. pm for info.
Congratulations on coming to market with a fine and necessary product, Scott!

I'm in for a set of upper control arm bushings, since I have monoballs in the lowers. I'll be in touch soon.
sounds like a good nickname for you..... monoball!
put me down for a set. ive got penske shocks, so i dont need any for the shocks.
[email protected]
pm sent!
since the other pics are a little hard to tell, here is a pic showing actual thickness of urethane. responsive? hells ya!

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Congratulations on coming to market with a fine and necessary product, Scott!

I'm in for a set of upper control arm bushings, since I have monoballs in the lowers. I'll be in touch soon.
Dean, where did you get the monoballs?
Have you put a durometer against them? If so, what was the reading?
it is a 90a mix. stock rubber comes in about 40-50a. it is thin enough to not have much movement, but enough to not create any binding. car feels WAY more responsive and solid. car dropped right down to finished ride height right off the lift. no drive around the block to settle bushings. upon install, you can also move suspension through it's full limits of suspension (not just the 5 or so degrees of driving range) movements by hand.
it is incredible how the material bonds together on a molecular level. there was a very thin casting flash material around the edge of one of the first sets. so thin you could nearly see through it. i tried getting it off with my finger nail. didn't happen. grabbed a razor blade, still couldn't get it off. finally took an 80 grit disk sander to it. it took it off atlast, but couldn't damage solid material. that same grinding wheel i use to grind welds down!
I'm interested for my street Viper. Any chance we could see pics of all four corners?
my car is slammed, but let me see if i can get a camera up in there.

ok, heres what i could get.

lower front control arm, rear mount-

rear lower control arm, rear mount-

rear upper control arm, front mount-

rear upper shock mount-

i greased mine quite abit. you could definately use it a little more sparing than i did. all lower control arm bushings are the same, so those pics would be same for all lowers. pic of front upper is in post up above. front upper and lower shock mounts are the same as the rear upper, so those will all look the same also. could not get pic of lower rear shock mount, but, set up is nearly the same as the top.
i hopefully will have time to set up alignment today and show how the alignment lock set up is installed. the car really feels light and airy now. is feels like it just shaved 7-800lbs off the car. WAY more responsive!
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Any idea when this might be available for a 96 RT/10?
will be working on finalizing the gen 3-4 this weekend. should be able to get on the gen 1 stuff in a couple weeks.
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