Quote:
Originally Posted by SDAutoXr
I spoke with Chrysler engineer Tony Elias at the Spring Festival regarding spring rates/heights for both R/T and SRT models. He stated that they have changed over the years for the various models. He said he would email me ballpark figures for these, but I am yet to receive (I'm sure he has more important things to do).
As an AutoCrosser it is important to know this information to baseline and review performance changes. Could any of you please provide ballpark (average) suspension spring stats for both the R/T and SRT versions of the Magnum, Charger, and 300?
Thanks for any input you can provide me.
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We are absolutely SHOCKED that Tony did not get back with you.
The R/T Charger uses 204 lb/in front and and 514 lb/in rear with Nivomat rear shock.
The R/T Challenger uses 224 front 514 rear with Nivomat rear shock, 547 rear without nivomat.
The 300C SRT8 uses 227f, 622r.
The Charger and Magnum SRT8 use 284f, 778r.
The Challenger SRT8 uses 261f, 669r.
SRT8s sit 1/2" lower than the 5.7L and 3.5L rwd cars. The cop car springs are 250f, 652 rear (with Nivomat), but sit even taller than base car due to how they are typically loaded down.