Fiberglass & suspension:
http://www.mustangsplus.com/
http://www.maierracing.com/
http://totalcontrolproducts.com/main.html
http://www.globalwest.net/
AOD:
http://www.lentechautomatics.com/
Forget the pod...go with a gauge dash/bezel:
http://www.cobranda.com/GetItemDetai...8&DeptID=1
or,
http://www.jmeenterprises.com/65dash.shtml
how inexpensive is inexpensive? everything costs money
personally, when resto-moding a new old rig I like to start with stopping. Brakes are more important than just about anything.
Front discs are the best first investment, if it didn't come with. Many bolt on kits available, many junkyard recipes.
suspension is number 2 on my list
swaybars, springs, shocks, negative wedge ("the shelby mod"[img]/phpBB/images/smiles/icon_wink.gif[/img], subframe connectors, polyurethane bushings
Late '70's Lincoln/Versailles 9" rear with discs is a common rear-end swap...std. 8" rear is good for 350-400HP if your not running slicks
Powertrain is an as you go type of upgrade. Do the homework especially the math
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