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Old 10-09-2006, 06:04 PM
Jeremy5848's Avatar
Jeremy5848 Jeremy5848 is offline
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Join Date: Mar 2006
Location: Sonoma Wine Country
Posts: 8,408
My 1985 300D-T came with a tapped hole...

...in the exhaust manifold. See the pictures I posted in the following thread:

Where's the boost???

If yours does not have such a thing (unique to California version w/trap ox?), you will have to do the drill/tap thing. Some posters here have suggested that coating the drill and tap with heavy grease will trap the chips and keep them out of the manifold but I would be leery of trusting in such a scheme. The only other alternative would be to pull the manifold.
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