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  1. #1
    Built and Blown! 01greycobra's Avatar
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    Procharger pulley sizes and boost amounts

    I try looking everywhere for some sort of chart that shows the expected boost amount from different size pullies for my Procharger D-1SC. I have a 9:1 compression motor and currently have a 3.6 pulley on the unit. however, i have a 3.4 that i would like to put on it but am not sure how much boost it will make. does anyone know what a 3.6 and 3.4 pulley will do boost wise for my application? or know somewhere i can see some sort of chart like explained above? thanks alot

    2001 Mineral Gray Cobra #3534 of 3867 built 8/28/2001 (Tuesday built car!)
    MMR 900- 9.0 compression, 26 spline T-56w/ Spec 3+, Eaton Swap, KB 2.8H , stock lower, 3.5 upper, 18.5 psi, 04 fuel tank, Twin GT pumps in Fore hat w/dual FPDMs, -8 line, fore rails, 60lb injectors, Afco heat exchanger, SCT3000, DSS level 5's, Billetflow IRS brace, and much more...

    Tuned by Kevin @ Wicked Motorsports

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  2. #2
    Currently under pressure JAILBAIT's Avatar
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    It is very difficult to say that one pulley makes this amount of boost. They only way to tell is if you can find someone with the EXACT same setup and see what they make with those pulleys. If you knew what amount of boost the 3.6 made I can tell you the 3.4 will get you about 2 more psi than the 3.6.

    If I were to guess I would say that your 3.6 would make something like 12-14 and your 3.4 should get you close to 14-16. But these are just educated guesses. I have spec'ed out many pulley combos and without being on my work computer I can't tell you for sure.

  3. #3
    2 wheeled dork no_slow_svt's Avatar
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    jailbait is right

    i can tell you that i made 10 psi on a 3.7 with basicly stock motor with full exhaust and power pipe.

    also the p1sc is very shitty for trying to get more psi out of it.
    i tryed to push mine and it pretty much flat lined at 14 psi.

    J
    SOLD 99TT cobra

  4. #4
    10 psi on 3.6" & power pipe

  5. #5
    Drunk Again. Cookieman00x's Avatar
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    12.5 on a 3.4 and power pipe..
    Last edited by Cookieman00x; 02-29-2008 at 04:02 PM.


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  6. #6
    2 wheeled dork no_slow_svt's Avatar
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    the d1sc makes about 3-4 more psi over the p1sc with the same pulley.

    when i read your post i thought you had a p1 for what ever reason

  7. #7
    F it! flowgoode's Avatar
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    10psi on 3.9 or 3.7 dunno what it is, came with the kit and powerpipe
    -Dustin


    Jon Lund Tuned = 553 RWHP @ 14psi w/F1-A
    Proud Member of the Mid-Atlantic Cobra Association

  8. #8
    Spoolin' notchstang92's Avatar
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    17 on a D1 w/ a power pipe and 3.2 pulley. Would have kept climbing too had the fuel system been able to support it.

  9. #9
    SVT God
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    if this helps i have a p1sc with a 3.85 pulley and it makes 8lbs...but it probably doesnt help...lol


    2004 Mustang GT - Built 5.0 Coyote, T56. now saving for a large snail
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  10. #10
    F it! flowgoode's Avatar
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    just replaced my pulley and found out I had a 3.6 on there. Running 9-10psi with a powerpipe. Now I have a 3.4 on there, waiting to get my motor back and broken in to see what kind of boost i'll make.

  11. #11
    Drunk Again. Cookieman00x's Avatar
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    12 or so...

  12. #12
    COME WITH IT YA SALLY'S heffs03mach1's Avatar
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    Have A 3.9 Pulley On The D1sc Making 12 Lb's. Combo Is 5.0 Stroker Motor 8:5.1 Compression, Bassani Mids, Offroad Pro Chamber, Slp Lm'1, Stock Heads And Cams
    There is no hunting like the hunting of man, and those who have hunted armed men long enough and liked it, never care for anything else thereafter.
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    2004 Mystichrome Cobra, just slightly modded.

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