04-08-2009, 07:27 PM
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Senior Club Cobra Member
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Join Date: Jun 2003
Location: West Linn,
OR
Cobra Make, Engine: ERA #684, 428 FE, TKO600
Posts: 1,378
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Not Ranked
Mass Flo EFI suggestions for a FNG
Basics:
428FE @ 450 cu. in.
Mass Flo EFI has been on the car going into it's second season.
Overall very content with the way the system performs from seal level to 12,000 ft.
Installation was very straight forward with no surprises. Increase of 25 hp and 28 lb.ft. of torque over carb (Holly 750 mechanical secondaries - List 3310)
Have installed a Tweecer to make a couple of minor adjustments.
Closed loop AFR is around 13.5 and I'd like it closer to 14.5 or there abouts.
Cold start idle drops back down to around 850 within a couple of seconds. Would like to keep it around 1100 until I get about 25C coolant temp (about 75F).
Tweecer read the Moates chip that came with the system so I have a viable .bin file of the current tune.
Being brand new to the EFI world I'm soliciting suggestions on where to start nudging adjustments to arrive at what I'm shooting for.
Thanks,
DonC
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