Quote:
Originally Posted by ForcedInduction
Most thermocouples will be 3/8" or 1/2" NPT. They won't work with metric threads.
Worst case, you can drill and tap the end/side of the manifold near the plug.
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Better would be to drill and tap the plug itself. I'd never drill an exhaust manifold. Especially BEFORE the turbo. at 200,000RPM, a small sliver of steel from drilling is like throwing a bowling ball into a jet engine.
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