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Thread: New Tune with 18 yr old OEM parts

  1. #1
    Join Date
    Nov 2002
    Location
    Charlotte, N.C.
    Age
    74
    Posts
    6,924

    New Tune with 18 yr old OEM parts

    Well had new tune on 4/29/21 and found out basically My previous numbers did a swap --meaning my HP became my new TQ and my TQ new HP...yep..not what you expect nor want to happen in most cases......but it is believed to be caused from old parts ..and quite frankly cant blame the outcome cause of it---it really is to be expected--I think--anyway here is the story---

    Last tune put out numbers of 460HP/400TQ --this time around ,having been running really rich
    it did 400/465---WTF

    Well over and over when reaching peak it bottomed out ---- My tuner says the alternator, fuel pump, wait for it --all OEM---need updating --dug--no doubt--and he believes the PI Tq converter installed 18 years ago may need replacement-

    So will have that done and retuned and the story will pick up from this point forward for those interested.
    03' MM Black 300 A - (FOR SALE--)
    Build Date 6/25/02 - #1,987 of 7,839 for '03
    Vortech T- TRIM -Water to Air -
    12.45 at 109.6 MPH
    1.92 Sec .- 60 '
    Alt .SSHS 9 --11/7/09

    '06 CV P71 Street Pkg
    Interior Marauder Floor Shift
    All New Parts

    '12 F-150 KingRanch Off Rd Pkg.
    373 Gear EcoBoost- Does What's Asked

    In Memoriam....11-14-13
    He loved this site so MUCH! and the Members More!!

    Rex Weinbender (SC Cheesehead)

    One of the best friend a person could have

  2. #2
    Join Date
    May 2009
    Location
    Moreau Island
    Posts
    11,890
    Tom give Marty a call and run this past him. He might have an idea that would cost less than throwing parts at it to find out that isn't the issue. Worth the phone call at a minimum.

  3. #3
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    65
    Posts
    26,084
    Quote Originally Posted by Mr. Man View Post
    Tom give Marty a call and run this past him. He might have an idea that would cost less than throwing parts at it to find out that isn't the issue. Worth the phone call at a minimum.
    I believe that's his tuner.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
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  4. #4
    Join Date
    Nov 2002
    Location
    Charlotte, N.C.
    Age
    74
    Posts
    6,924
    Actually I have new tuner 5 miles from home--too costly to Alt. when need to have things checked and phone calls are seldom answered by Jeff-- and Marty prefers I talk to him it seemed --just easier to be local and my new tuner is very satisfactory that's is all that matters.

    Thanks to my friends I have ordered a new alternator as suggested --now to find a single fuel pump around 400 L per hour that will fit in the tank..... thanks

    Appreciate all your info help --
    03' MM Black 300 A - (FOR SALE--)
    Build Date 6/25/02 - #1,987 of 7,839 for '03
    Vortech T- TRIM -Water to Air -
    12.45 at 109.6 MPH
    1.92 Sec .- 60 '
    Alt .SSHS 9 --11/7/09

    '06 CV P71 Street Pkg
    Interior Marauder Floor Shift
    All New Parts

    '12 F-150 KingRanch Off Rd Pkg.
    373 Gear EcoBoost- Does What's Asked

    In Memoriam....11-14-13
    He loved this site so MUCH! and the Members More!!

    Rex Weinbender (SC Cheesehead)

    One of the best friend a person could have

  5. #5
    Join Date
    Jul 2004
    Location
    The Dirty South
    Age
    49
    Posts
    3,733
    Are the dynos set to the same parameters?

    Smoothing, SAE/STD, etc.

    If the dynos are 100 percent the same my first guess would be a boost leak, Check your piping and the connectors.

  6. #6
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,175
    Walbro makes a 400lph and a 450lph single pump. I believe the 450 is what Dodge uses in the hellcat?

    https://walbrofuelpumps.com/400lph-w...fuel-pump.html

    https://walbrofuelpumps.com/450lph-w...f90000267.html
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1SC
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  7. #7
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
    7,773
    Aeromotive 340 is plenty fuel pump
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

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