Answers:
1) not sure. Timing shouldn't have to adjust, fuel system a larger 190lph+ pump would be a good investment.
2) Not worth your time. There are plenty of good s/c on the market that will bolt right up and give just as good or better results for a fraction of the time needed to fab up the stuff to make the 4.6L or 3.8L s/c's work.
3) stock 15" rim, 245 is the largest you can go. With aftermarket rims, a 15x8 rim will allow a 275 (which is what I'm using)
4) Stock quad shocks won't allow better traction unless you upgrade your control arms. Only really need to remove them for running larger tires, such as 275's (which is what I had to do)
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1989 Mustang LX Notch
5.0L, T-5, 1969 351W heads, cut & welded stock plenum, F-303 cam, Mac 1 5/8 full length headers, Cat'd H-pipe, 3.73 gears, Underdrives, SSM lift bars, E-Fan, 3G Alt, Custom Chip, Autometer gauges, Weld Draglite wheels , M/T ET Street Radials
Best 1/4: 13.33@101.53MPH
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