fuel problem

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fuel problem

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Mitsubishi >> Tech Help and Information >> PCM & Fuel Systems >> fuel problem

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fuel problem - 6/13/2006 4:58:24 PM

t4beastvo

Posts: 1
Joined: 6/13/2006
Status: offline

im putting a garrett ball bearing T4 on a evo8. what size injectors should i use to get the best performance. i was thinking 760-860cc. also if anyone knows about tuning afc2 please let me know. thanks

Post #: 1

RE: fuel problem - 6/13/2006 5:09:05 PM

Sebba

Posts: 14725
Joined: 2/20/2006
From: San Antonio, TX
Status: offline

You should be able to run like 25psi with 660s and you would need a wideband o2 to be able to tune the SAFC II. Emonz knows more about it than i do because he tuned his himself. Try sending him a PM

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(in reply to t4beastvo)

Post #: 2

RE: fuel problem - 6/13/2006 9:22:43 PM

TheEngineer

Posts: 10733
Joined: 1/25/2006
Status: offline

Like he said you need some kinda of monitoring system to effectively use the SAFC. Wether it be a EGT guage or a wideband O2, wideband being much easier. Then its a very basic + or - type of thing from there. You only need to tune the higher trottle so you can set that to around 65% i think for high TH. Then you set all of your points for RPM's. I think you do every 500 RPM's i may be wrong. But i think it was 3000, 3500, 4000, ect. After that you can then tune each of these rpm ranges by either adding or subtracting fuel by percentage. But like i said you need a wideband to know how your car is performing. BTW you can put that in and tune before you get the t4

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