Miata Turbo Forum - Boost cars, acquire cats. - What size injectors will the 99-2000 ecu safely idle?

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- - What size injectors will the 99-2000 ecu safely idle? (https://www.miataturbo.net/ecus-tuning-54/what-size-injectors-will-99-2000-ecu-safely-idle-34439/)

Cody Strife

04-26-2009 10:58 PM

What size injectors will the 99-2000 ecu safely idle?

What size injectors will the 99-2000 ecu safely idle. Keep in mind that standard operating fuel pressure is around 60 psi on 99-05 Miatas and not 48 psi as typical on 90-97 Miatas.

18psi

04-26-2009 10:59 PM

305's that I know of. maybe even larger but 305's for sure

tann3r

04-26-2009 11:25 PM

I'm running 315's on the stock '99 ecu. Havent heard of anyone running larger, though I think its possible.

Prospero

04-27-2009 10:02 AM

Safely running 315s, no problem. This is on my 99 with automatic ECU.
Cheers,
Prospero

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