tamo3 Posted October 30, 2012 Share Posted October 30, 2012 Hi, I'm rebuilding N42 block. In order to clean up short block, I would like to remove oil line plug located front and rear end of short block. Does anyone know where I can buy replacement parts? Thanks, tamo3 Quote Link to comment Share on other sites More sharing options...
randy 77zt Posted October 30, 2012 Share Posted October 30, 2012 Any engine machine shop should have these.Best to send the block out to a machine shop to be hot tanked after the plugs are removed.$40 or so isnt much for a the block to completly stripped inside and out. Quote Link to comment Share on other sites More sharing options...
ctc Posted October 30, 2012 Share Posted October 30, 2012 You could also tap them and use a pipe plug. Quote Link to comment Share on other sites More sharing options...
PMC raceengines Posted October 31, 2012 Share Posted October 31, 2012 There a $1 part from nissan and i get then all the time from them Quote Link to comment Share on other sites More sharing options...
Tony D Posted October 31, 2012 Share Posted October 31, 2012 You don't want a 'Pipe Plug' you want a "Flushseal Plug"---they are designed with different threads and different taper than NPT plugs to allow seating below the deck, or near flush. A pipe plug, properly tapped would sit high and proud of the surface, needing milling or some sort of surface treatment to bring it back so it doesn't interfere with other things. Having a flushseal plug in there allows easy removal for gallery cleaning later on when freshening the engine, and will never blow out if you get an insano oil pump... Quote Link to comment Share on other sites More sharing options...
rayaapp2 Posted November 2, 2012 Share Posted November 2, 2012 (edited) This website has been around for what 10 years? "Nissan used press-in plugs to seal the front and rear main oil galleries. I'm using a higher pressure turbo oil pump, therefore, I opted to remove them by using a slide hammer, and drilling and tapping the hole to accept a standard threaded plug. When installed with Lock-tight, it will eliminate the possibility of blowing out a plug and loosing oil pressure under extreme conditions. This needs to be done prior to the machine work so all the metal shavings are removed during the cleaning process. NOTE The front plug will need to be shortened so that it doesn't close off the # 1 main bearing oil passage and, at the same time, it will fit flush with the front face of the block." I dont think this is the same as what Tony recommended but you get the idea. Edited November 2, 2012 by rayaapp2 Quote Link to comment Share on other sites More sharing options...
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