Quote:
Originally Posted by F87source
Quote:
Originally Posted by AdventureNoodle
Hey all, N55 M2 looking for turbo upgrade advice:
Just ordered a Pure Stage 2 Turbo with the upgraded DV and inlet pipe, Spool Stage 3 LPFP, 3.5 bar TMAP sensor, ordered some extra NGK97506 plugs and some new Delphi 12138616153 coils.
I'm already FBO with a Dorch Stage 2 HPFP and a BM3 Flex Fuel kit. Is there anything I need? Am I missing something or do I just need to install and tune now? Is a crank hub solution necessary?
Goal is to be able to run ethanol blends and make north of 500whp.
Thanks in advance!
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That sounds about right in terms of parts required to hit your goals. I would not have wasted my money on new delphi coils though, I would have put that money towards the B58 coil conversion kit that way I can run the largest possible plug gap in order to promote more complete combustion. The NGK plugs are also not really needed, your power level isn't high enough to require a colder plug, it's not a huge problem just not needed.
Other than that you should be fine, I personally don't think a crank hub fix is required because people were running 550 whp+ on the N55 for years before the crank hub issue was a huge talking point and there hasn't been a huge issue as a result. The n55 has alot less inertial mass driven off of the crank hub so you should be ok at this power level.
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That's good to know. My philosophy is overbuild the car for what I need it to do and have headroom in case something goes wrong lol