Go ahead and reuse the gaskets, unless the rubber seals are cracked or damaged. We have pulled manifolds at least 4 times in 60k miles before needing new ones. And I suspect its because we overtorqued...
Clean, reuse, and watch the torque. If you do have an air leak or suspect one, removing the manifolds takes less than 30 min.
I believe the gaskets were at least 15$ canadian each.
Marco Tatta
98.5 SE MTX, Duratec
EGR block, fog light
fix, custom shift boot, monsterflow intake, Ecotek valve
Quasi dual cardoctor exhaust.
Hacksaw short shift, Momo race "s" carbon knob, ghetto rear strut bar, 16 inch cougar wheels with 225/50/16 kumho 712s
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