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Old 09-18-2007, 01:33 AM
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Rear suspension suggestions

Hey guys I would appreciate any input on my rear suspension you can offer. I'm building a 76 cobra II and want to put a narrowed 9in in the car that I already have. I want to run 10" or 11" rear tires so I need to mini tub the car which requires getting rid of the leaf spring rear suspension or moving it inboard. I plan to drive this car on the street mostly and maybe some track time. I would like it to handle better than a new mustang and handle at least 600hp with a manual trans. So my question is do I go 4-link, triangulated 4-link, 4-bar or what? I have to do the work myself but I'm sure you guys understand that no only for financial reasons but because I want too. I really was leaning toward triangulated 4-link until I read some of the threads in here and now I'm just unsure. I would also like to add that this is the first rear suspension I have ever attempted to build so I need all the help I can get. I would like to run coil-overs for the adjust-ability but I'm open to any suggestions. I hope I covered all of the pertinent information and thanks in advance guys.

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Old 09-18-2007, 06:17 AM
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The last highly successful RWD beam axle sportsracer was the early Jaguar C-Type. (The late C-Types used the IRS which would also be used in the D-Type.) I would suggest you follow the lead of the Jaguar engineers and use an asymmetric 3link. This can provide equal rear tire loading on launch and, as was shown at Le Mans, excellent handling.

A setup spreadsheet can be found on Page 18 of my site. Phone or fax me if you have any questions.

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Old 09-18-2007, 11:58 PM
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suspension

Hey thanks a lot I never thought of a 3 link. By the way I'm glad you replied after reading all the posts I could find on here I saw a lot of you talking about suspensions and was hoping you would answer my post you seem to be very knowledgeable on this stuff. Thanks again for your advice.
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Old 09-19-2007, 08:35 AM
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Quote:
Originally Posted by ProCobraII
...you seem to be very knowledgeable on this stuff.
You hit the nail on the head. BillyShope pretty much wrote the book on modern day racing/hot rod suspensions. Sort of the "Gospel according to Billy". You can't get any better advice...anywhere.
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