2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

full race in-board double wishbone suspension

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Old 10-20-10 | 03:13 PM
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full race in-board double wishbone suspension



does anyone know where i can get this type of suspension or do i have to fab it myself?
Old 10-20-10 | 04:52 PM
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Actually, not a dumb question at all.

Try this place :
www.factoryfive.com

They use full A-arm kits from Corvettes for their own stuff and if you duplicated their spacing and mounts, you'd have it. There are other kits available for Mustangs, Camaros, and other s too from many other suppliers.

Look for the Vette stuff as it is very strong and light, and available. Carefully measure the mounts. Wham! You're done.

Don't thank me!

"Sorry I can't hear you over the sound of my OWN awesomeness."

GD

Last edited by gawdodirt; 10-20-10 at 04:56 PM.
Old 10-20-10 | 04:55 PM
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That sure would be sweet though, race only. Any more pictures of that car?
Old 10-20-10 | 07:01 PM
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Originally Posted by gawdodirt
Actually, not a dumb question at all.

Try this place :
www.factoryfive.com

They use full A-arm kits from Corvettes for their own stuff and if you duplicated their spacing and mounts, you'd have it. There are other kits available for Mustangs, Camaros, and other s too from many other suppliers.

Look for the Vette stuff as it is very strong and light, and available. Carefully measure the mounts. Wham! You're done.

Don't thank me!

"Sorry I can't hear you over the sound of my OWN awesomeness."

GD
yep, all the parts are cheap, its all circle track stuff, cheap too.
Old 10-20-10 | 07:17 PM
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http://fc3spro.com/TECH/FM2W/sus.htm

Good luck...
Old 10-20-10 | 08:40 PM
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Originally Posted by p4nc7
Guys, he's Canadian.

Canadian Tire should have it. Ask the parts counter.
it is right Next to the "au De Moose" Cologne!.Aisle Five.
.But Seriously,That suspension is Overkill for everyday Driving..by at least $10k.
Old 10-21-10 | 02:12 PM
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i cant beleave i dident even think about it being connected to the cage but o well at least someone gave me a serous link (thanks nick)

i think it would be neat to do, and hay i see why you guys think it would be hard but then again you dont have a full cnc machine shop at your full disposal like i do. i dont think this would be that hard, or cost too much, maybe ill do it. o and one last question, if i do the front, do i have to do the back to match or will it be unstable?
Old 10-21-10 | 02:23 PM
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Originally Posted by Mr.Cool
i cant beleave i dident even think about it being connected to the cage but o well at least someone gave me a serous link (thanks nick)

i think it would be neat to do, and hay i see why you guys think it would be hard but then again you dont have a full cnc machine shop at your full disposal like i do. i dont think this would be that hard, or cost too much, maybe ill do it. o and one last question, if i do the front, do i have to do the back to match or will it be unstable?
i honnestly dont see why you even wanna do this.
Old 10-21-10 | 04:18 PM
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Not trying to be mean to you, but this is just one of those things that if you have to ask then you are not ready to do it.
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Old 10-21-10 | 04:34 PM
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I just wanted to ask what were your intentions for the car? Do you have the means for such a project ( money, time & know how )? Not trying to be a dick, but is this something you saw & said "hey that's cool I want" ?
Old 10-21-10 | 04:58 PM
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AZ Wtf?

Originally Posted by SirCygnus
i honnestly dont see why you even wanna do this.
Really now. If you are not aware of the benefits of a double A-arm over a MacPherson strut, then go hang out in the Newbie forum. Or, read a book.



And the whole thing could be done for about $2500. Not $10K.

gd
Old 10-21-10 | 06:28 PM
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Originally Posted by Mr.Cool
... i see why you guys think it would be hard but then again you dont have a full cnc machine shop at your full disposal like i do.
GIGO still applies.

Originally Posted by gawdodirt
Really now. If you are not aware of the benefits of a double A-arm over a MacPherson strut, then go hang out in the Newbie forum. Or, read a book.



And the whole thing could be done for about $2500. Not $10K.

gd
I'm sure Cygnus is totally aware of the benefits.
I'll bet he's also aware that $2500 would barely cover a roll cage, much less a total front clip/new suspension.
Old 10-21-10 | 06:44 PM
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AZ $$$$$$

Originally Posted by clokker
GIGO still applies.


I'm sure Cygnus is totally aware of the benefits.
I'll bet he's also aware that $2500 would barely cover a roll cage, much less a total front clip/new suspension.
I did my own cage for cost of materials ; about $550. And a new subframe is all that is needed along with some well placed braces up front.

Man! For all the quotes of too high prices,, you guys must be used to getting totally screwed when it comes to fab work!

Call me if you need anything fabbed. I need to put my kids through college!

GD
Old 10-21-10 | 07:58 PM
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Originally Posted by gawdodirt
I did my own cage for cost of materials ; about $550.
So, will you build me one for material costs only?
Originally Posted by gawdodirt
And a new subframe is all that is needed along with some well placed braces up front.
You have a frame table to work on?
Replacing the entire structure foreword of the firewall is a bit more than just a few well placed braces and a subframe, it would require a detailed engineering study of the proposed new suspension, it's effect on the rest of the chassis and about a billion hours of fabwork attaching all the components that must be present.
This is all in addition to the extensive caging of the rest of the car because that new front structure has to tie into something and it sure won't be the stock sheetmetal.

Originally Posted by gawdodirt
Man! For all the quotes of too high prices,, you guys must be used to getting totally screwed when it comes to fab work!

Call me if you need anything fabbed. I need to put my kids through college!

GD
Sorry but I don't think you grasp the enormity of a project like this.
If i could be done well for $10k- and I'm not saying it could- that would be a bargain.
Old 10-21-10 | 08:57 PM
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No offense Mr. Cool but I have to agree that if your asking these kinds of questions you dont have the necessary background to make this work. You might as well be redesigning the whole structure of the car. That "roll bar" you are referring is most likely a tube frame that replaces the entire original frame. I have a friend in Colorado that does this stuff for a living. He has a degree in mechanical engineering and a long list of contacts that he uses for suspension setups like this.

It would be friggin awesome tho!
Old 10-22-10 | 03:15 PM
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i can understand why all of you dont think i have the means or money to do this but i can. my dad has a mechanical engineering degree and owns a full cnc machine shop, has 5 axis cnc mill and cnc lathe, welders, hoist, and all the material i need at discount price. we have lots of connections to shops that specifically do racing stuff only but the people who own them are my dads long time friends. also this stuff has been his hobby since he was 16. he drag races one of the original ed hamburger race cars (one of only two left in canada, and his friend owns the other) and is currently building a 1000+ hp 70 duster for the street from the ground up including full cage that is already done on a rotisserie. and money is only a means of determination. so ya i can do it. will i? well just to prove all the non believers wrong, ya i probably will. along with the 450hp bridgeport turbo ill put in it lol.
Old 10-22-10 | 03:43 PM
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Get started and post a link to the buildup thread.
Old 10-22-10 | 04:08 PM
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If your dad has all that, you know you could just ask him right? And get a far better answer then from the 99.99999% of people on the forum who have not even seen such a setup in real life before.

There is one thing which should be obvious from that picture: the engine has been pushed back at least a foot and is mounted far lower in the chassis. You can see that the front shocks occupy the same place that the front iron would normally be in.

You probably should just discuss the details with your dad and all the connections he has to get a better idea of what building this entails. For example, the first step is to build a tube frame for the car.
Old 10-22-10 | 04:40 PM
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you dont even have your rims on correctly and you want to build a race car.

ive seen setups like this. the engine is commonly use as the main structural point of reference and is usually setup by someone seriously knowledgeable in suspension dynamics.

you posted a comical question of where you can buy a kit to convert your car to a racecar. i provided a serious answer.

might as well let daddy do it all for you.


by the way, 450 wheel horsepower in a bridge port turbo? uh... right.

ill stop feeding the troll food.
Old 10-22-10 | 05:08 PM
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The rear would be easier and cheaper. No moving of the engine and no extensive restructuring of the engine bay. I say you give the rear a shot.
Old 10-22-10 | 08:21 PM
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Originally Posted by Mr.Cool
money is only a means of determination. so ya i can do it. will i? well just to prove all the non believers wrong, ya i probably will. along with the 450hp bridgeport turbo ill put in it lol.
I would prefer "realist" to "non believer" but in either case...no, no you won't.
Old 10-23-10 | 12:08 AM
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What type of car is that in the picture?
Old 10-23-10 | 02:31 AM
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Originally Posted by clokker
So, will you build me one for material costs only?

You have a frame table to work on?
Replacing the entire structure foreword of the firewall is a bit more than just a few well placed braces and a subframe, it would require a detailed engineering study of the proposed new suspension, it's effect on the rest of the chassis and about a billion hours of fabwork attaching all the components that must be present.
This is all in addition to the extensive caging of the rest of the car because that new front structure has to tie into something and it sure won't be the stock sheetmetal.


Sorry but I don't think you grasp the enormity of a project like this.
If i could be done well for $10k- and I'm not saying it could- that would be a bargain.
Ok. first of all, why does everyone automatically assume that the poster of non-agreeing information is a fool or idiot. Bad assumption. You do not know what my background is or the tools I have at MY disposal. Rather, ask how it can be done cheaper or more efficiently. If you want to know what my experience is, then ask before labeling my info as wrong.

Yes I have a chassis table, but it is not needed for a project like this. Let me shed some light here.

If you have never been in an OEM development scenario, you might see a project like this as a "black art." It's not. Recall that guys like Smokey Yunick did this exact thing on a flat floor with a plumb bob and a tape measure.

When you pay a chassis guy $10,000 for a project like this, you are not paying for the actual fab work, you're paying for his experience to do it, what his cost to keep his shop open, and what he thinks he can clean you of ,money wise.

No I will not do a cage for $$550 for you , that is what it cost me for MYSELF, on my toys. Not yours.
For you, you will pay for the electricity and time to make your cage. Usually more than the raw materials.

Using a Y car suspension for an example, the pivot points are already done, you only fab those into an existing chassis, No black magic, just fab work. Just copy the mounts into your chassis! The only data that might be off is the Ackerman, that's in the spindles, and just by a few inches of wheelbase. Not really a big deal unless it's more than a foot.

Street rod guys graft Vette suspensions to 57 Chevies all day long. Engineering? No. They graft existing systems into existing systems. Just welding.

You will have to go coil over on this to retain the spring rates and chassis balance front to rear to maintain the roll stiffness front to rear. This can be off a bit, and tuned with sway bars to a degree.
It isn't rocket science. So don't pay the price of landing a guy on the moon .

GD

Last edited by gawdodirt; 10-23-10 at 02:51 AM.
Old 10-23-10 | 02:33 AM
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OUCH!!! You guys are rough!

Seriously Mr. Cool , there are plenty of other areas of the car that need attention long before you get to the point where you will even be able to use suspension like that. Wrench on your car for a while and get to know it inside and out. There is no substitute for experience!
Old 10-23-10 | 08:06 AM
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$20 this doesn't make it past the wet dream phase.

So you're planning to custom build an entire car because "Mcpherson struts suxz", and you plan on using chevy corvette suspension because? Did you even bother to check simple stuff like camber curve or the fact that they are designed to use transverse leaf springs instead of coil springs?



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