The DSE Quadra-link isn't triangulated, it's a paralled 4 bar with a panhard bar.
There isn't a perfect solution for the street, that's why this subject always turns negative. Besides 4 factors you listed, there are many more including packaging, cost, time to install, tuneability, availability of replacement parts, parts longevity, turn around time on manufacturing, etc. How about parts warranty and tech support? (covering everything from installation to setup to tuning questions)
Tires play a huge role in the overall performance, as do the shock and spring rates. How many have actually scaled their car and made spring rate choices accordingly? The correct part selection is every bit as important as having correct geomety and dynamics.
There will always be trade offs. What makes a great functioning track car generally makes for a poor riding street car. What makes for good tunability makes for poor packaging in a street car. There's no way that a blanket statement can be made that covers all suspension options for what is the best. There are just too many factors, and those factors weigh different with every individual that's building a car. You need to weigh all factors then decide accordingly.
I think we should have people list what factors are important to them when making a suspension upgrade.
Of course, all of this is just my opinion.
|