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Thread: Upper and Lower Pulley?

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    Smile Upper and Lower Pulley?

    Hello! this is my first post here i've got a 02 harley and I just received my lower and upper pulley and what i'm wondering is what kind of boost number's
    my truck is going to be making? Upper 2.95, lower 6#, will this be to much?

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    8lbs over stock....14lb roughly total.....better get a good tune....along with Mafia or some type of maf extender...upgraded fuel pumps...colder plugs....and did I say a good tune!!

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    What is the purpose of a maf extender?

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    YOU BEST START HITTING THE SEARCH BUTTON AND READING .
    IF YOU ARE EVEN REMOTELY CONSIDERING PUTTING THESE MODS ON WITHOUT BASIC KNOWLEDGE OF THESE ENGINES.

    Now,,,, a Maf extender allows these engine the liberty of over extening the A/F readings without leaning out and blowing up.
    When one reaches certain levels things have to be accounted for, i.e. fuel availability, air flow and temp readings, the ability to fire (Proper Plugs and gapping) the mix properly, Tunes are of the outmost of important things to consider.



    Opp's Welcome to the site!

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    Thanks Guys.

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    I JUST GOT ME An '03 it shows 15 on the boost gauge at WOT
    it has an a/f gauge and it shows in the green at WOT also....am i ok??

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    so you got an 03 and its hitting15lbs of boost...hope you got a chip or a tune for that boost....

    what size pullies do you have on it.....

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    im not sure what it has!! ahh! i know its darn fast though......
    it has a lil bitty pulley up top and a large alum. pulley on the bottom has a cold air kit..the blower is black has a part # starting with ea so i guess its an eaton

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    the gauges are pro comp

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    and you dont ahve a programmer with it ...?

    IF it is a chip then you can see it plugged into the PCM (located on passenger side, up high above the kick panel....little port there that you can see on the front face of a 10x10x2 looking silver box.

    Me peorsonally, I would find out all the mods on the thing....how my chip/prgram was set up (timing, a/f) etc
    Last edited by bgstew6; 10-09-2006 at 10:48 AM.

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    aem brute force cold air intake



    has a black one that has ek02 on it??????


    how much power with those mods should it make..i have a friend that plays with lightnings hes going to take a look at it

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    03 has ek02 PCM....so no chip plougged into the pcm and you dont have a hand held tuner or anything??

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    not that i see

    its shows grren on the a/f gauge when its full throttle...do you think he had it tuned or??

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    who knows...if you dont have a hand held tuner that came with the truck or see a chip plugged into the front of the PCM..............

    might want to call and check with him and see what/how it was tuned...

    measure the lower pulley and upper pulley diameters.....

    NO chip...may have been reflashed with handheld tuner......but
    If reflashed with handheld tuner and you dont have the handheld tuner then you wont be able to go back to stock or get retuned for different mods without making a trip to ford and having them reflash your truck back to stock...and they will most likely mark it in the database as being modded and void damn near any warranty work you may ever take it in for....

    No tune via chip or handheld tuner then you are playing with fire...

    and I trust the dancing light show narrow band a/f gauges about as far as I can kick them...they will give a rough geustimate but not entirely accurate....nothing beats a true wideband a/f gauge...

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    hmmm i need to get a hold of the previous owner before i do too many full throttle runs it looks like

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