mpi twins help

delong_1

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Dec 5, 2008
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ok, call me stupid. i tried to increase the flow rate for the maf so hopefully it wont go into limp on my street tune. of couse the max allowed is 66.14 is there a way to extend the max??
 

TrentNell

Finally underway !!!!!
Jul 7, 2008
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slc tuah
i noticed in an lmm o/s the max goes up to 105.xx anyone willing to offer any help, please.

it doesnt need to be scaled higher , it is in the lower parts of the MAF voltage table that need to be tweeked, make it top out sooner and up the #'s in the lower voltage and smooth the table to match the changes . also just disable all the MAF dtc's . thats about as much as i can give with out just showing you the table.
 

delong_1

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Dec 5, 2008
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well i might not have been as far off as i thought, i didnt change the tables from what i had earlier today, i disabled a p238 code i set. and cleaned the maf as Caleb (05lly) suggested and im impressed.

with only 2500pw, and 40 psi, this thing is insane. egts were around 1100 from a stop to 80 it hit 1100 and didnt move!!!!
 

delong_1

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Dec 5, 2008
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also this tune was originally suposed to be just a street tune, nothing spectacular. to me it is just surprising how much of a difference the same tune feels between the ak5 and my twins.

i think i will probably turn it down a little, pretty fast for a dd imo
 

TrentNell

Finally underway !!!!!
Jul 7, 2008
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slc tuah
well i might not have been as far off as i thought, i didnt change the tables from what i had earlier today, i disabled a p238 code i set. and cleaned the maf as Caleb (05lly) suggested and im impressed.

with only 2500pw, and 40 psi, this thing is insane. egts were around 1100 from a stop to 80 it hit 1100 and didnt move!!!!

I ran 12.5 and trapped 110 mph with a 2500 pulse width and stock injectors with those twins :D
 

delong_1

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Dec 5, 2008
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holy hell, it felt fast but i didnt think there was any way it was that fast:angel:

might have to turn it down a little more than i thought.
 

Magilla

New member
May 22, 2009
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Columbus, Ohio
holy hell, it felt fast but i didnt think there was any way it was that fast:angel:

might have to turn it down a little more than i thought.

Where's the fun in that? Just use a little self discipline.:D (I know, easier said than done.) Anyway, glad to hear you're happy with the kit. I'm hoping and praying business goes well this winter so I can get twins in the Spring.