leifbert Posted September 13, 2014 Share Posted September 13, 2014 I am preparing a L28Et for installation in my 240Z. The motor has a factory oil cooler and I would like to block it off for now to simplify the installation. I bought adapters and AN blockoff caps to replace the factory banjo bolts. It just occurred to me that I don't know if the motor need to flow oil through the oil cooler fittings for proper oiling. Does anyone know if it is safe to block the cooler lines? Quote Link to comment Share on other sites More sharing options...
LanceVance Posted September 13, 2014 Share Posted September 13, 2014 Any reason you don't remove the cooler assembly and install a standard stud? Quote Link to comment Share on other sites More sharing options...
leifbert Posted September 13, 2014 Author Share Posted September 13, 2014 I intend to run an oil cooler in the future. Leaving the adapter there would simplify my future plans. Quote Link to comment Share on other sites More sharing options...
Nigel Posted September 13, 2014 Share Posted September 13, 2014 I am preparing a L28Et for installation in my 240Z. The motor has a factory oil cooler and I would like to block it off for now to simplify the installation. I bought adapters and AN blockoff caps to replace the factory banjo bolts. It just occurred to me that I don't know if the motor need to flow oil through the oil cooler fittings for proper oiling. Does anyone know if it is safe to block the cooler lines? The oil cooler is in series with the oil supply galleys to the crank and head. Cap off the oil cooler lines and kiss your engine goodbye. You can loop the inlet to the outlet on the block adapter. But as Lance Vance suggested, just remove the block adapter, put a filter nipple in the block, and screw the filter to the block just like every other Z without a cooler. Piece of cake to put the block adapter back on when you're ready. Nigel Quote Link to comment Share on other sites More sharing options...
leifbert Posted September 14, 2014 Author Share Posted September 14, 2014 Wow, it is a good thing I asked. Thanks. Quote Link to comment Share on other sites More sharing options...
Nigel Posted September 14, 2014 Share Posted September 14, 2014 I did overlook the oil filter bypass valve, which would still allow some oil to circulate. But, then the filter would be bypassed. Still not good. Nigel Quote Link to comment Share on other sites More sharing options...
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