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Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)

- Engine Performance (https://www.miataturbo.net/engine-performance-56/)

- - Stock fuel pressure (https://www.miataturbo.net/engine-performance-56/stock-fuel-pressure-47194/)

thymer

May 9, 2010 03:52 PM

Stock fuel pressure

Installed a aftermarket FPR, does anyone know what the stock fuel pressure is?

thanks!

Joe Perez

May 9, 2010 03:58 PM

38-46 PSI with the manifold vacuum line disconnected.

Sparetire

May 9, 2010 04:51 PM

At some point around the time OBII came along most makes standardized pressure at 43.5 psi too. Its hard to go wrong with that as a base pressure.

thymer

May 10, 2010 09:49 AM

Thanks ya'll. Took the beast out for a run with just a base map and a few lbs of boost. Holy fuck this thing is fast. I can definitely tell the difference between the old shitty 94 head the the ported +1 valved FM MSM head. Can't wait to tune this bugger.

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