I've had my TB off about 20+ times, i only replace the gasket when needed, there only paper and i always leak test it when it goes back on, other gaskets like turbo, manifold etc.. i do replace each time.I haven't had one fall to bits yet, just be gentle with them.
Take off your TB, if your polishing your Manifold, chances are the TB will take a knock of something.
Take off your TB, if your polishing your Manifold, chances are the TB will take a knock of something.
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