Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

Miller88 · 01-23-2013, 03:59 PM

The rear is going to be easier than the front.

REAR
Check to see if it has lift blocks under the leaf spring. There's going to be a 1 or 2'' piece of steel (a block) between the leaf spring and the perch. Pull that out if it has one.

Or, aftermarket catalogs sell lowering shackles for these trucks. Unlike Jeeps and other lightweight leafsprung SUVs, adding a longer shackle to the spring will lower it. This way, you could retain your towing springs but lower the back.

Get a leaf pack with less arch in it .

Front:
Try to find smaller springs. Are the control arms any different on an FX4 than a regular or a 2wd model? If not, you should just be able to stick a smaller spring in and re-align it.

01-23-2013, 03:59 PM	#2 (permalink)
Miller88 Master EcoModder Join Date: Jul 2008 Location: NY state Posts: 501 XJ Cherokee - '00 Jeep Cherokee Sport 90 day: 12.96 mpg (US) FoFO - '11 Ford Focus SE 90 day: 36.78 mpg (US) Thanks: 1 Thanked 51 Times in 38 Posts	The rear is going to be easier than the front. REAR Check to see if it has lift blocks under the leaf spring. There's going to be a 1 or 2'' piece of steel (a block) between the leaf spring and the perch. Pull that out if it has one. Or, aftermarket catalogs sell lowering shackles for these trucks. Unlike Jeeps and other lightweight leafsprung SUVs, adding a longer shackle to the spring will lower it. This way, you could retain your towing springs but lower the back. Get a leaf pack with less arch in it . Front: Try to find smaller springs. Are the control arms any different on an FX4 than a regular or a 2wd model? If not, you should just be able to stick a smaller spring in and re-align it.