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  1. #1
    JFizzleJR's Avatar
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    Anyone interested in some AFR/injector testing?

    I am wondering if 46# injectors will create a safe AFR with an X charger, External IC, A/M air intake, stock ECU, no RRFPR. 48s work, but the idle is too rich. If anybody is interested in testing this with an AFR gauge, I will get ahold of a set of injectors. All the water is frozen up here .


  2. #2
    Quote Originally Posted by JFizzleJR View Post
    I am wondering if 46# injectors will create a safe AFR with an X charger, External IC, A/M air intake, stock ECU, no RRFPR. 48s work, but the idle is too rich. If anybody is interested in testing this with an AFR gauge, I will get ahold of a set of injectors. All the water is frozen up here .

    I have ran this exact set up with 48 and it was rich in the heat not to bad when it was real cold.We ended up going back to 42 and running RRFPR.If you try 46 it will be better but you might still have a rough idle.

  3. #3
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    well i am interested in this with the 46's. I am running the x charger w/ riva x upgrade with 48's and RRFPR, and if 46's are ok i can help my idle.

  4. #4
    GOT BOOST? Dockside's Avatar
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    Jonny shouldnt you be running 42's with your set-up?

    Id like to see some numbers on this set-up in average air/water temp conditions as im sure the number will very from here in canada to down in FL.....

  5. #5
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    I had the 42's but with 48's i can run lower base pressure and still have good wot afr with the 1:1.8 rise in my rrfpr.

  6. #6
    JFizzleJR's Avatar
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    I am hoping the 46# will allow the use of the stock FPR...

  7. #7
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    would be nice i think more people would be upgrading then, most are scared when u have to start trying to tune fuel.

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