View Full Version : 9'' and sas

12-29-2006, 12:38 PM
i have read tones and tones of pages on how to do my sas but i have found nothing on a 9'' being swaped in for the 8.8 has anyone done it be4 and how easy is it i have a 6 '' lift im putting in with it anyone have pics or anything ?

12-29-2006, 05:35 PM
I dont know about the 79 and later perch spacing, but the early 80s units will bolt in. I think there is a complication due to the fact the 9" doesnt have a provision for the VSS to run the speedo in some applications.

12-29-2006, 09:35 PM
Yeah, the 9" doesn't have a VSS, because the older broncos used a speedo gear on the transfercase, IIRC. (I should remember, I replaced it a month ago.)

Getting one from an 80-82 bronco is the best bet for spring perches. If all else fails, check out fullsizebronco.com and make sure to search first.

FU Toolbag
12-29-2006, 11:47 PM
you don't have to switch the rear, just make sure your gears match and go for it.

12-30-2006, 07:54 AM
I have swaped both in mine. No problem! bolts right in.

12-31-2006, 01:20 PM
thanx i forgot to put that the bronco that is getting the sas is a 91 and the sfa is out of a 78 bronco