llessur Posted March 31, 2021 Report Share Posted March 31, 2021 Any advice? I'm currently rebuilding my 2500 lump and have all the necessary plugs from Chris Witor - the old ones were removed by the machine shop. Do they go in dry? With Loctite? With RTV? Are they supposed to be a tight fit? Do they bottom out, or do I just drive them in a certain depth and leave it at that? The large one at the end behind the backplate feels quite tight going in - almost like it's cross-threading but Chris Witor's stuff is normally right for the job so maybe this is just how they are? Threads seem clean and in good condition. Link to comment Share on other sites More sharing options...
Mathew Posted March 31, 2021 Report Share Posted March 31, 2021 I don't know but would be interested to find out for future job! Link to comment Share on other sites More sharing options...
Colin Lindsay Posted March 31, 2021 Report Share Posted March 31, 2021 When I bought the Mk2 GT6 engine as a fully reconditioned unit (from a major suppliers) it was missing three of the oilway plugs. (No idea how they tested it without them...) I had to buy loose plugs and fit them myself; I just screwed them in until they were tight. I've no idea if they were taper fit or not but they simply screwed in then stopped at what looked like the correct place. I didn't use any sealer. Link to comment Share on other sites More sharing options...
Nick Jones Posted March 31, 2021 Report Share Posted March 31, 2021 I’d use some form of lock ‘n seal fluid. Nick Link to comment Share on other sites More sharing options...
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