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Any ideas? Plugs fouled after 2 minutes

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  • #61
    your local auto parts store may be able to rent one out. ill check around with people i know. why dont you just buy a fuel pressure gauge and install it in that 3rd vent?
    sigpic
    11.84 @ 117 w 1.66 60' (previous na best)

    - - 5.3/4L80e/T7875 - -
    - Huron Speed Turbo Kit -

    1998 Formula

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    • #62
      I agree with Larry - your problem was the MAF was bad and the plugs kept fouling out. You replaced the MAF which fixed the code - now your car isn't throwing the MAF code, I would think with new plugs you'd be OK?
      - Brian Meissen
      Owner, MiFBody.com
      Administrator, LTxTech.com


      1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
      2022 Camaro LT1 - "Cherry Bomb 2"
      Michigan FBody Meet & Greet Car Show 2022
      June 4th, 2022 - 9am to 3pm!!!
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      • #63
        Your selling your injectors, Larry?
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        And another thing.....when I gun the motor, I want the whole world to think it's coming to an end.
        -Homer Simpson

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        • #64
          Originally posted by 1bad83ta View Post
          Your selling your injectors, Larry?
          yep.. Tuner recommended 28.8s.. My car has always ran rich, have the equivalent of 36# inj in my car explains it.. I have no need for 36ers..
          sigpic
          U.S. Army 1983-2005
          11.20@122.37 1.51 60'

          Originally posted by WMCCjames

          "Plans Subject to change upon Sobering up"

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          • #65
            Get it tuned then

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            • #66
              bigger injectors will be fine they just need to be tuned properly, if you add a set of heads down the road you'll be upgrading injectors again anyways.
              Doing less with more


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              • #67
                Adjustable Fuel Pressure Regulator with a Fuel Pressure Gauge? Dial down on the fuel pressure. Twas what I had to do. Bought myself a matched set (within 1%) of Ford 19 pound Injectors (Fords way of rating) installed. Ran rich. During the tune, we kept dialing back on the fuel pressure. Normally with 19's, fuel pressure should be 43 to 45 pounds. I'm at 37 pounds on the fuel pressure now.

                Another thing I've read. No way of knowing if true or not. Ford's method of rating injectors output differs from GM's way. 19 pound Fords would measure out at near 21 pounds using GM's way of measuring.

                Just some extra thoughts Larry.


                Originally posted by 81DaytonaPaceCar

                Clamaped up tighter than a 15 year old on her first prom date...


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                • #68
                  Originally posted by OIF1VET View Post
                  yep.. Tuner recommended 28.8s.. My car has always ran rich, have the equivalent of 36# inj in my car explains it.. I have no need for 36ers..
                  If you decide to sell pm me a price.

                  EDIT:Just found your post over on tech
                  Last edited by gary; March 1st, 2011, 12:00 PM.
                  97 30th anv Z28 Lt1 Ported Heads and Intake, small Cam, LT's, SLP LM1 w/power flow conversion and cut out, Stalled A4, 3.73, 125 shot or so......... Custom EVI Tune and more to come...... SOLD
                  1971 Suburban work in progress
                  1969 Mach 1 In restoration process
                  Waiting to find the right Fbody

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                  • #69
                    Originally posted by squareandcompass View Post
                    Adjustable Fuel Pressure Regulator with a Fuel Pressure Gauge? Dial down on the fuel pressure. Twas what I had to do. Bought myself a matched set (within 1%) of Ford 19 pound Injectors (Fords way of rating) installed. Ran rich. During the tune, we kept dialing back on the fuel pressure. Normally with 19's, fuel pressure should be 43 to 45 pounds. I'm at 37 pounds on the fuel pressure now.

                    Another thing I've read. No way of knowing if true or not. Ford's method of rating injectors output differs from GM's way. 19 pound Fords would measure out at near 21 pounds using GM's way of measuring.

                    Just some extra thoughts Larry.
                    the last part of your post is highly debated. It depends on the injector manufacturer, and I cant speak for the red tops. I know that my Ford (Bosch) green tops flowed 42 lbs @ 3 bar even tho these are a ford injector and "should" flow more

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                    • #70
                      he does not have an adjustable FPR so any changes need to be done within the tune itself.
                      Doing less with more


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                      • #71
                        If you go back to 28's it will need to be tuned anyway

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                        • #72
                          Originally posted by 1BADAIR View Post
                          If you go back to 28's it will need to be tuned anyway
                          exactly.. i told you this yesterday larry.. either way u will need a tune.. might as well keep the 36's even tho you already bought a set of 28's




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                          • #73
                            Originally posted by kammi10 View Post
                            exactly.. i told you this yesterday larry.. either way u will need a tune.. might as well keep the 36's even tho you already bought a set of 28's
                            36's would probably be nice for when you install those 243's and a bigger cam too.

                            Used to own a Firebird.

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                            • #74
                              Originally posted by Fbomb View Post
                              36's would probably be nice for when you install those 243's and a bigger cam too.
                              Not going to do heads or a bigger cam.. Calling about a tune now.. This is my last round of mods.. Next move will be to sell, within the next 2-4 years..
                              sigpic
                              U.S. Army 1983-2005
                              11.20@122.37 1.51 60'

                              Originally posted by WMCCjames

                              "Plans Subject to change upon Sobering up"

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                              • #75
                                Originally posted by OIF1VET View Post
                                Not going to do heads or a bigger cam.. Calling about a tune now.. This is my last round of mods.. Next move will be to sell, within the next 2-4 years..
                                lol... quick, someone sig quote this
                                2000 Trans Am l 1967 Firebird

                                sigpic

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