I've read some of the leaf spring posts and I am a bit confused. Some talk about racing applications and some about comfort, but which is which?
My rear springs seem to be sagging more and more. It almost seems noticeable on a daily basis, lower and lower and lower. I am looking for comfort of ride, but I don't want springs that sag over a short time like some seem to experience. I want to keep a stock ride height.
I am already running the KYB Gas-Adjust shocks.
What springs should I get? 4,5,6 leaf? Brand? Other?
This is the ride height I want back. Maybe a little pinch higher, but not to much.
http://tinyurl.com/2wxzct
Maybe match the front height.

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67Cuda,FAST EZEFI,340cu,CR=10.25,RollerCam&Rocker (XR268HR,#20-810-9)(#1622-16)(EddyRPM#60779,#7576), (MSD6AL,#6425) A904, GearVendorsOD, 8 1/4,3.55:1, ClassicAir

I run the "XHD" leafs from MP.....got them from Mancini racing fir a couple hundred bucks.Raised my rear about 2 inches.....settled down to maybe 1 1/2. The trick I used was buying 2 "drivers" side springs......the passenger side sold for this application actually set the car a bit crooked untill I would launch it. Like the over 2 inch mark.LOL My 67 Barracuda rides well, a bit stiff, but I have HD monroes on the rear also for launching.....but rided well. I have driven the poo out of the car!!!

Just my 2 cents to add to your thoughts.
Andrew

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Wife's: 64 Valiant
My: 70 Road Runner, 67 Barracuda, AND the 62 Valiant drag car!!

I found it varies by what you carry in the car.

My old 69 Dart was always loaded to the nuts with Kids , snowboards, grocieries and daily dreck. People used to think it was lowered. In the end the axle snubbers were smashed

My Valaint is now almost always empty...so the ride height stays fresh.

For an empty car the JCW springs are great

For a loaded, trailer hauling 4 door I would buy as much spring as I could get.

Are you packing tools? Sports Equip? 7 kids to soccer?

If its just you, the kid and 3 bags of groceries the standard JCW will stay fresh for a long time, ride nice and give you stock height.

Racing springs ride higher on one side......

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Yeah....Im the one who destroyed this rare, vintage automobile.....

Ya its just me, the kid and 3 bags of groceries.

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67Cuda,FAST EZEFI,340cu,CR=10.25,RollerCam&Rocker (XR268HR,#20-810-9)(#1622-16)(EddyRPM#60779,#7576), (MSD6AL,#6425) A904, GearVendorsOD, 8 1/4,3.55:1, ClassicAir