I would recommend spending the extra dollar and putting a new gasket on, and removing the old one. Maybe I'm just too OCD but I can't reinstall anything with an old gasket.

__________________
2001 Ford Ranger (Obviously), 3.0 Edge, 2wd, Single Cab, Manual Trans, Explorer Axle Swap 4.10 gears, Rear Disc Brakes, Air Lift Helper Air Bags, 31" BFG's, Corbeau Seats, Custom Console, Console Vault,Yakima Rack, Dual Hella's mounted behind the grille, aux. reverse lights, Trailer Brake Controler and lots of TLC 250,000 miles and still ticking. Contemplating 4bt Swap when the tired 3.0 finally gives up.