Should I replace FMS HD clutch?
 

I pulled the engine and everything out of the 86 this weekend. I'm cleaning it up and getting ready to drop it in the 93. It's got about 12,000 miles on the FMS HD clutch. No problems and seems tight. Should I bother putting something else (King Cobra, Ram)in while I've got it out or is this good enough for this and maybe a 6 PSI blower later on? If I don't need to spend the money right now I'd rather not, but then again I don't want to pull things apart and replace it 6 months later.

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86 GT, CCM long block, GT40P heads, Crane 2031, 1.7 RR's, Cobra intake, 65mm TB, 73mm Vortech, 24# injectors, MAC GT40P headers, 2-1/2" BBK H-pipe (w/cats), Flowmasters, 3.55s, Groundpounder subs and lower control arms, 277 RWHP.
93 GT - Moroso cold air, 3.55 gears, ?? shifter, Black Magic fan, soon to get the engine and other goodies from the 86

I'd say as long as it's not slipping you're good. No need replacing it and spending money when you don't need to. I mean...even if for some odd reason it started slipping when you get everything back together then you're not out any extra money if you were just gonna put one in now.

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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

Chris-
Same clutch as I am running, 2 years now. Slicks and 12's and its holding up fine.

Skyler

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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, headers and 3chamber flows.
12.55@107mph
50-175 Nitrous Works WET Kit just added.

The FMS is one of the most durable out there, I wouldn't change mine until the disc is worn out. BTW mine has a lot more than 12,000 miles without a slip. The King Cobra isn't as durable, it just has a lighter pedal pressure and the Ram is listed as "not for use with slicks" although I think they're just trying to keep lawsuits off their backs.
If your really concerned then just get a CFDF disk and use it with the FMS pressure plate, Ford even reccommends this.

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GT-40 heads (ported, polished, + milled), B303 cam, 1.7rr's, JE pistons, Offy intake, Carter AFB 625cfm carb, Flowtech 1 5/8" shortys, Flowtech X-pipe, MAC Flowpath exhaust, MAC pulleys, 373's, subframes, Eibachs+Tokicos, B&M ripper, FMS Clutch, Zoom Quadrant+cable, 17" CSA Ultra rims, 235/45ZR17 Yokohama AVS S4's, MSD 6A ignition+coil, FMS 9mm wires, Carbed, Naturally Aspirated, and Nasty!