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      06-05-2019, 08:37 PM   #4
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Quote:
Originally Posted by doodlebro View Post
The B58 HPFP is only better because its volumetric efficiency is slightly better than the N55 HPFP. The XDI pump has different sized pistons... I think XDI came in to explain a lot of their engineering & design on that thread.

This doesn't mean that the XDI can be skipped, especially if you're trying to put down serious power.
True if you're heading for 600 plus. I guess i meant if you're looking for 500whp range. Also yes I read their whole post about the science of fuel flow.
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