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Old 13th September 2014, 17:55
Mike Mike is offline
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Are you planning to race your Sportster? I know M54B30 seem prone to oil pump problems - otherwise the weight saving of the M54 is worth having.

The M54 head does not go on the M50 - the water passages are all different, and I think the studs are different too.

Why not swap the complete M54 over?

I am really undecided what to do with my M54 - I bought it with the idea of stroking the M50 like you, but I really like the torque the M54 with DISA generates at low revs.
It would make a Cabrio a lovely rapid tourer - Cabrios are not built for speed!

Which brings me back to finding an ECU to run Dual Vanos and DISA, so back to the original question?

Megasquirt is certainly an option if you are confident enough about the electronics. If you crack it, I will have lots of questions for you.......!
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