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yes
Yes, but removing the rear spindle is a lot of work and may require power tools or a press. A better alternative and a common modification for a Festiva is to swap the front hubs and rear end from an Aspire to a Festiva. This allows you much larger brakes, removable disc brakes up front, a rear torsion bar for much better handling. Some would say the swap is almost required as the Festiva stock brakes and suspension is horrible.
No, they are different sizes, specs, and part numbers.
no, two different suspension system specifications.
axle nut torque on a 1995 ford aspire
Ford did not make a festiva for sale in the us in 1997. They made and sold an Aspire auto trans or straight drive
1.3l i4
yes and no... all aspire suspension parts front and rear will bolt directly to the festiva body... however the parts are not the same so you have to change the entire structure over to aspire suspension.. the 2 cars share a few individual parts like axle beam and various nuts and bolt. the aspire and festiva also have different wheel lug patterns so you need to have aspire wheels also and spare.... so if you change only the front or only the rear you will need to carry 2 spares.
I found wiring diagrams for the Festiva/Aspire at http://www.autozone.com/az/cds/en_us/0900823d/80/22/2c/81/0900823d80222c81/repairInfoPages.htm
One way might be to replace the Stabilizer Bars with ones from an Aspire. There are articles on the internet describing how to do it.
No it is not reverse thread. The passenger side rear spindle is the reverse thread on 88-93 festivas.
According to fordparts.com the 1992 Ford Festiva with the 1.3 liter four cylinder engine has spark plugs gapped at ( .044 inch )