front suspension?

I am going to scratch build my chassis. What kind of front suspension components would work best to integrate into my chassis. I have a complete rack and pinion steering setup for a mustang II will this work for steering? I am in the information compiling stage of my scratch build. I have a ways to go before I strike an arch. :huh:
 
Shawn, congrats - that's an ambitious and challenging goal. As far as front suspensions go, most folks are using double wishbones because this configuration allows for a lot of adjustability (camber, caster, etc.) and very positive location of the tire contact patch through a full range of motion. As far as racks go you can use a rack from just about anything but best to use a well built rack with fairly tight tolerances - the better sports cars tend to have better racks. I happen to have an M3 rack in my car. Thing to keep in mind is that the particular rack you choose has to function properly with all the other bits and proper angles. Watch out for bump steer for example - rack location is important.

Good luck and persist!
 
Are there any companies that make the upper and lower A arms for this type of suspension? Or is it easier to just build my own?
 

Randy V

Moderator-Admin
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Hi Shawn,

Check with these folks for your suspension parts;
Speedway Motors - Product Summary

I've done a fair amount of business with them over the years and have not been disappointed.

You may find that you'll need to do a bit of mix and matching of parts. If you want a full Mustang-II front suspension, you'll be able to buy all the parts and just bolt it together. However - You may find that you won't have much footwell box left.. Go through the Build Logs forum and pay close attention to what others have done. It's not an impossible task, but it is a formidable one.

Good luck!
 
Shawn:
As Cliff and Randy mentioned it is a formidable task if you don't have your dimensions and geometry all worked out. Mustang II racks are strong, but it is a slow rack (4.6 turns lock to lock), and the mounting arrangement does not make for easy adjustability for vertical rack position to adjust bump steer. Try doing a search here on the forum, there is a wealth of info. Ask a lot of questions as most of the membership here are very helpful and would like to see you succeed.
You might start by sourcing some books or literature on suspension geometry and after reading those I am sure you will have more questions.
Good luck
Phil
 

Terry Oxandale

Skinny Man
Not trying to lead you in any specific direction, but be careful what you wish for. I wished to built a scratch-build a car, and for all practical purposes, am doing so, but it is expensive in that so far, about 30% of the parts I've fabricated or modified, had to be thrown away and re-designed and rebuilt (some of them multiple times) simply because I thought I'd thought everything out only to find out I'd not thought of everything. That means money and time thrown to the wind, but an experience that so far I've not regretted (mostly anyway).

I’ve calculated at the rate I’m going, I could have spent the same or less money on all the parts for a complete Tornado or similar kit, but I do enjoy fabricating. In the amount of time I’ve spent thus far just to build the chassis in planning, drawing, testing, re-planning, re-drawing, fabricating , re-fabricating, bodily harm, and the relentless sweeping and cleaning (of metal chips, drillings, grindings, welding rod bits, worn out blades), bloody towels, burnt fingers, hunting for steel, argon, aluminum, bolts, nuts, bushings, tubing, fittings, new tools to make all this happen, and an understanding wife – still have her though), I could have had the “what-ever” kit in the paint-booth by now.

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Shawn,
If you are going to scratch build the chassis why not build the front suspension as well, it's the easy part. I used the same rack you are using with Mustang 2" drop spindles and it works great.
 

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Thanks for all the info. Terry, I know exactly what you are talking about with the time and money thing. I used to restore vintage snowmobiles and I spent so much time and money in those little sh!ts. I could have bought completely restored sleds for less no doubt. But all those bloody knuckles, busted drill bits, and the countless hours on the internet were all worth it at the end. Like I said before, I want to touch each and every part on this build. Besides, I wouldn't want to finish this project too fast, that wouldn't be my style. I do appreciate the concern though. This seems like a great group of guys to help with a time and money munching project. Thanks again for the help.
 
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