i got the grab a traks also for the rear, car was up like a dunebuggy, had to get 1" lowering blocks and now it's down where it should be. thank god.

 

From what I am reading, it seems that Eaton springs might be better. Their long history in the business makes it appear they might have a better idea of what they are doing. Any Eaton experiences?

 

I also have G-a-T's, 4.5 mid eyes, with a 620 coil, 1" drop in the front. The ride was a concern, and I'm extremely happy. It's not jarring, and quite comfortable, but firm. Suggestion on the springs, you can always take them to a spring shop and have them arc'd or de-arc'd for beer money. I recall taking mine and lowering about 1/2" to get the ride height where I wanted it.

 

Eaton was an OE supplier, and NPD uses Eaton springs, which is why I recommended them for stock springs with proper ride height.