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  • Injector Ratings

    specifically looking for two of them: 94-95 LQ1 and 95 3100...

    now, according to



    the 91-93 and 94-95 LQ1 injectors should flow the same. i look at a factory $DF file and see 22.5lb/hr and then look at my newly almost finished $2E file and see 20.5.... now, i'm fairly certain the 2E file is correct, or at least closer, since it does agree with said chart, so it's likely the conversion is off in the DF XDF. but i'd like to know where the 21 lb/hr number came from.

    also: similar situation with a $1FA BIN i have: it is saying the 94-95 3100(MAF anyway) has 17.46 lb/hr injectors... i'm also confident in this equation. the chart says 19, but i have no idea where this number came from. i've heard both before, but am not sure which to believe....





    and yes, what you're thinking that i'm doing, it's in the works... it should be good up until ~350HP on a 3100....
    1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
    Latest nAst1 files here!
    Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

  • #2
    early 3400 are 19#. Early 3100 are 17# 17.x anyway.
    Ben
    60DegreeV6.com
    WOT-Tech.com

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    • #3
      so, safe to assume 17.5 then...

      this little project is coming together nicely. just have to finish up a couple of shift/tcc tables...
      1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
      Latest nAst1 files here!
      Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

      Comment


      • #4
        17.42 according to DHP. This is at 43.5 psi.
        Ben
        60DegreeV6.com
        WOT-Tech.com

        Comment


        • #5
          even though i don't think 1/10th of a pound/hour will make that much of an issue.... i might as well work with known good stuff.

          now..... to gather up some cash for a 94-95 LQ1 MAF and PCM.... a test bench would be nice too, help me figure out these last few values.
          1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
          Latest nAst1 files here!
          Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

          Comment


          • #6
            The part number for my OE injectors were listed as 18.11 lbs/hr (191cc/min) at witchhunter.com so #17.X should be about right. I assumed that flow list was right before and used a clean set of #19's by mistake. BLM's are a little low now but it still runs fine.
            1995 Grand Am SE

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