FWIW a MAF is not the ideal air metering for any forced induction set up as it has no clue when the intake hits positive(boost) pressure unless the system & calibratin has an input from a MAP sensor.Most low boost systems 'bluff' the processor with a combination of TPS & MAF inputs to trigger a spark retard and fuel increase with no sensor input ie no MAP sensor. 
V6 MTX
'Don't p**s up my back then tell me it's raining!!!"
'Its only nuts & bolts!'
'If I build it,fix it,upgrade it or modify it...MAYBE they will come....!
Haines Motor Sports Inc,
Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
Get a Turbo for you Zetec from HMS Inc...by 'The Demon' ...www.DemonDynamics.co.uk
..don't talk about it DO IT !!!
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