subpilot Posted August 12, 2005 Share Posted August 12, 2005 I am about to start the inspection/overhaul of my EA82T. This engine will see continuous operation at 4400 rpm and periods of 4700 rpm (15-20 minutes). It will have a TDO4, intercooler, oil cooler, and run synthetic oil. My first question is if the stock crankshaft for this engine is nitrided? Would this be a good idea? Could I use the stock internals, primarilly rods and pistons for this kind of setup? I prefer to keep everything as stock as possible, but if it needs to be changed for good reason it will be. Any comments would be welcome. Thanks in advance, Subpilot Link to comment Share on other sites More sharing options...
Nug Posted August 12, 2005 Share Posted August 12, 2005 4700 isn't a lot for these engines. Part of me says don't worry about the bottom end. The other part of me suggests shot-peening the rods, and upgrading or at least replacing the rod bolts. Synthetic oil wouldn't be a bad idea. Keeping an eye on oil temp wouldn't be bad, either. An oil cooler might be a good idea. Nah, screw all that. 4700 is nothing for thee engines. Link to comment Share on other sites More sharing options...
Nug Posted August 12, 2005 Share Posted August 12, 2005 Well, if you plan on being at high levels of boost for an extended time, then I would look seriously at oil cooling and maybe egt. the stock bottom end is still very rugged. Link to comment Share on other sites More sharing options...
NorthWet Posted August 12, 2005 Share Posted August 12, 2005 I would be more concerned about the top-end than the bottom-end. You should seriously consider going to better engine-management elctronics. Link to comment Share on other sites More sharing options...
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