moog spring number i need?

[413turbo]

I hve the lowwing moog spring in the front. Love the raked look, so i don't want the back lowered any, just something super stiff. any ideas on a spring to try. i'd like to not use air bags if possible.

 

[jdpolzin]

I hve the lowwing moog spring in the front. Love the raked look, so i don't want the back lowered any, just something super stiff. any ideas on a spring to try. i'd like to not use air bags if possible.

Go to AutoZone and get Duralast stock replacement non progressive springs. They match up with the moog 5658 front springs very well. The part number is: RCS5379S

 

[Dlynch1130]

Stiffer Moog Rear Springs

This is a table of Moog rear springs, rates in lbs. and amount lowered versus the stock height Moog 5379's using a rear end weight of 1,063 lbs. This has been compiled using what some others have posted on this and other forums and just applying the math that they have provided. I hope this helps.

Coil Spring Specifications with Moog Coil Spring Part numbers

Spring # Spring Free Frt/Rr Install +/- vs. Rate Height Weight Height Stock
5379 121.5 14.75 1,063 8.5 0.0
5401 129 13.15 1,063 7.3 (1.2)
6319 119.2 14.17 1,063 7.8 (0.7)
6321 119 14.29 1,063 7.9 (0.6)
5409 143 13.44 1,063 8.1 (0.4)
5385 167.5 12.60 1,063 8.1 (0.4)
5413 167 12.93 1,063 8.4 (0.1)
CC509 180 12.63 1,063 8.4 (0.1)

 

[Dlynch1130]

That did not show up as planned. The order of information is Moog part #, Spring rate in lbs/in., free height in inches, rear end weight in lbs., installed height in inches and amount lowered versus stock assuming the rear end weight of 1,063.

 

[monte379]

thanks ! great info. just what i was looking for !