Robust Multi-link IRS Option
 

I am a fan of a multi-link IRS due to its adjustability, and if built properly, its strength. DSE has its 5-link Decalink built for the C-2/C-3 Corvette. It can be ordered with 1250 HP axles/CV joints and a proprietary "Hammer Head" 12-bolt differential. I adapted the assembly to my C-1 Corvette track car, but it looks like it could be easily installed in a lot of cars with parallel rear frame rails and a place to mount the forward links. For anyone interested, here are a couple of construction shots to show the installation. I narrowed the DSE main crossmember slightly, added a supporting rear crossmember, and fabricated pick-up points for the forward 4-link and a supporting crossmember for the front of the differential.

Pappy

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Looks great!

I need to get over to see this car in person one of these days Pappy, looks great. Holler at me next time you are around for a few days.