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  1. 16 tundra mag sc top end fueling problem

    stock airbox, cb exhaust only mods besides magnusson s/c. using mag fuel pump and injectors.

    on top end always getting this problem where it hammers the engine with fuel. goes off the chart....
  2. good news, fixed! it was simple and something...

    good news, fixed! it was simple and something that i thought i had already done, increase the maf table. always double and maybe triple check.... this has bit me before on truck stuff. the maf has...
  3. Pretty sure your problem now is your peak torque...

    Pretty sure your problem now is your peak torque setting - could have even been part of the original. You don't max or raise this like that. It's used for PE fueling.

    *32920 peak engine torque?...
  4. road test in 3rd and not sure if fixed or not....

    road test in 3rd and not sure if fixed or not. fuel at 5000 vs before is better, but it suddenly went closed loop at 5700, that's not good. cylinder airmass is still going down though, and like the...
  5. i don't recall changing it to TIAP. looking at 15...

    i don't recall changing it to TIAP. looking at 15 and 18 silverado files i have they are NA-TIAP as well. LT1 camaros are too. but this is worth trying. will let you know. thanks again for the help.
  6. did not work. thought for sure it would, the...

    did not work. thought for sure it would, the values were really low. but it's same thing. always at 4000 rpm, it starts pulling injector open time. i have copied everything fuel related from an lt4...
  7. here's 2020 MT

    here's 2020 MT
  8. would not of thought to look there. will give it...

    would not of thought to look there. will give it a try, thanks
  9. seems reasonable that would be in the fuel tab...

    seems reasonable that would be in the fuel tab but i don't see it. there's flow rate which is the injector size. where is this table? thanks for reply.
  10. yes. looking for answers as to why ecu is pulling...

    yes. looking for answers as to why ecu is pulling fuel.
  11. yes, afr is low 13s when i let out near 5000 rpm....

    yes, afr is low 13s when i let out near 5000 rpm. you can see inj open time is 5.2 at 4000 and then 4.3 at 5200. but maf is 9600 at 4000 and 10600 at 5200. airmass should not go down if maf is going...
  12. 16 silverado 5.3 whipple sc ecu pulling fuel after 4k

    stock bottom end, texas speed stage 2 cam, LTH, dual 2.5 exh, cai is stock size diameter, LT4 throttle body, fuel pump and injectors, 10psi.
    after 4000 rpm the ecu starts pulling fuel even though...
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    done that. should have mentioned. flat 58psi.

    done that. should have mentioned. flat 58psi.
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    discovered the file i read from the ecu was not...

    discovered the file i read from the ecu was not stock. the vve was nuts. so put in vve table from LS3 camaro. then made the spark changes smokeshow suggested. new file attached. one log has dynamic...
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    the narrowbands are very good for this and they...

    the narrowbands are very good for this and they show quite lean. pressure is holding so it's not that. there is no such thing as accel enrich? i'm confident this just needs a ton of tps based fuel....
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    where is accel enrich?

    2011 camaro L99 with 600+ cam in it, LTH, no mufflers, CAI with correct diameter tube, stock maf

    never had one with such a huge hesitation. it actually loses rpm when you floor it from a start....
  17. where is info about this "class"???

    where is info about this "class"???
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    alvin's file did it. i didn't test specifically,...

    alvin's file did it. i didn't test specifically, but nearly certain it was the max torque vs rpm table being stock. it's weird that one is used and the per gear is maxed out.
    so this brings a new...
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    fast4.7, did you forget to paste a link??

    fast4.7, did you forget to paste a link??
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    injector data important for low open times, this...

    injector data important for low open times, this is big open time and just flow can easily work.

    i'm certain issue here is the timing. engine rpm tracks it right on, spark down, rpm down. fuel...
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    ignition chop on WOT launch

    01 tahoe with 416ci stroker, big cam, LTH, 102mm tb on gen 4 6.2L truck intake.
    this thing should smoke the tires, but all it does is stumble. ignition is being cut by what i don't know. i think i'm...
  22. that was it. i don't know if turning the...

    that was it. i don't know if turning the thresholds up was needed or not but def. putting enrich table to zero got it to work like other dodges.
    it's weird though because once that was fixed it did...
  23. i thought component protection would encompass...

    i thought component protection would encompass cat protection, no? what does component do then?
  24. TRX tuning - is something different here?

    2021 trx w whipple 2600 kit, LTH and full dual 3" exhaust.

    there's something very different here. look at the PE fuel table. that's crazy lean. and no matter what you put in there, no change....
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    well, i don't know. BT does give you a wot cam...

    well, i don't know. BT does give you a wot cam advance table with the card and yes, you're memory is spot on. limit it to 4. so that's why wot advance is no more than 4. so you're saying just disable...
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