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brain dead in 373s at track


shelbypowered

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Sounds like a blast!!! I had heard there were some s-3 TB sticking problems -- maybe that's been 'cured' now ;-)

 

If I recall, the KB strage-3 uses some sort of MAF scaling device to 'fool' the ECU by scaling the voltage from the MAF back to the ECU to fit the enhanced air flow into the ECU's 5.0 volt sensor range. If they are still doing it that way (dunno) that could account for warm up and low-speed balkiness. I've heard of plenty of '03/04 Cobras using MAF signal-scalers having similar problems but not sure how KB handles that.

 

Joseph, do you have any idea what rail-pressure the boost-a-pumps provide at 17 volts? KB must tweak some ECU parameters for a higher rail-pressure so the ECU doesn't just cycle the pumps less often to maintain the stock line pressure (39-40#??). Are you running the KB-provided tune or an Evo/custom tune?

 

Dan

 

I'll stick to simple mods.

 

This stuff is way too involved for an old school guy.

 

Maybe I can retro fit a double pump Holley in there. :hysterical:

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