72 Dart Swinger 3.6L Pentastar +T5

71Duster said

I'd like to hear more about the composite leaf springs. I've not seen anything really in the mopar world talking about them

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Since my build is low weight, the weak 318 leafs, which weigh in at 45lbs a piece, weren't going to work.
The Hyperco I spec'd out are just 10lb EACH! You get some unsprung weight savings too.
Composite Leaf Springs | Corvette Leaf Springs | Hyperco


Here's a decent thread on FG leaf on moparts:
https://board.moparts.org/ubbthread...s/1157228/re-fiberglass-springs-any-good.html