Procharger Stage 2 Help With Knock

Discussion in 'Forced Induction - 5.0L V8 Engine' started by 5hlucky, May 9, 2019.

  1. turnswrench

    turnswrench turnswrench

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    Yes, new design. Acts more like a normal gates tensioner.
     
  2. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    Who knows, I'm not concerned with boost pressure. 4.25 is easily doable on your fuel system with pump gas. As others said before, get some logs and send to tuner.
     
  3. Sawyerjames

    Sawyerjames Well-Known Member

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    I'm not sure on the differences between how the 17' and the 18' motors react to the PC set up, but I can tell you that my P1SC Stage 2 kit was spinning my 305's going WOT at 55-60mph. I am now running 325's in the rear and they still spin at WOT in 3rd with the 10 speed auto. I have to do my WOT pull logs for Lund in 4th gear and still spin a little once boost really kicks in, and that is with 325's...
     
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    5hlucky

    5hlucky Well-Known Member

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    Is it a better design or provide more consistent tension?
     
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    5hlucky

    5hlucky Well-Known Member

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    OK, 4.25 pulley ordered along with a gates k080660hd. Will update after parts arrive and I get some logs.
     
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    5hlucky

    5hlucky Well-Known Member

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    I think a huge diff between your car and mine is the 10 speed auto, 3rd for you isn't going to be 3rd for me. And obviously the differences in the motor. You know what pulley you're running?
     
  7. MyLilPony

    MyLilPony Naw It's Stock

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    The wastegate adds no additional pressure to the crank; it is completely separate. I have been kicking around selling my wastgate setup. You can see it on my build thread. Works perfectly but I debating going to twins and right now I am making more whp than I can use on the streets right now so I really don't need it. I loved it when I was using it, smash and go, really wakes up the mid range! Think about it and let me know... You would need the red race valve though if you don't have it.
     
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  8. whatsup62

    whatsup62 Well-Known Member

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    @5hlucky is this on a D1X?
    I just made the switch to a D1X and Red Race Valve from P1SC-1 . Went with a 4.5" pulley on the D1X stage 2 from a 3.85 on the P1SC-1.
    Went backwards in the fast dept.
     
  9. ahl395

    ahl395 Well-Known Member

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    How much boost are you seeing on the D1X setup vs the P1SC setup? Even if running the same max amount of boost, the D1X takes a little longer to make it. P1SC will be stronger in the midrange while the D1X will really take off up top and that could be why your car feels slower. The D1X would definitely benefit from a wastegate if that is the case. If not then you may just need a smaller pulley on the D1X.
     
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    5hlucky

    5hlucky Well-Known Member

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    Ok - so it sounds like as long as you aren't cranking down on belt tension it's no different really. What exactly would you be getting rid of in your setup, and how much are you looking to dump it for? I don't have a RR valve, but would likely want to consider other options that aren't quite as loud.
     
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    5hlucky

    5hlucky Well-Known Member

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    No i'm on a p1sc...kicking myself I didn't spend the extra $200 for a p1x when I placed the order. :(

    You put the p1 back on or go with a smaller pulley on the d1?
     
  12. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    Folks have been 9.40s on a p1sc in a s550. Your goal faster than that? Not sure why one would want a big blower and turn it down when a smaller blower at full tilt yields the same result.
     
  13. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    Why not turn up the D1? Put a 4.0 on it and take the wastegate off. Way cheaper than swapping to TT.
     
  14. MyLilPony

    MyLilPony Naw It's Stock

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    The D1 stops making steam just over 900whp. To even consider playing at TX2K I need to be above 1k. Twins come into play when I build a short block. D1SC just won’t get me there.

    I’m not running the Wastgate right now. Making plenty of steam on just the 4.63 And E85. Once my converter gets here I’ll be able to make some passes to get where it’s really at; built trans is sitting waiting for it.

    There is this pesky guy in Dallas @Black Dog that keeps giving me crap about how his TT setup will rape my D1... pretty sure he is right...
     
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    5hlucky

    5hlucky Well-Known Member

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    No def not looking to be at like a 9.50, I don’t have a set goal in mind. I just want the car to feel good in the mid range, like hitting the pedal at 3k roughly. Doing that in third gear right now doesn’t feel all that amazing. This also is a street car 99.9% of the time so I’m not spending a lot of time past 5k.
     
  16. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    With a 4.75 on pump you are probably making 570whp, so yea not that amazing in a heavy car. My car went 9.80 at 141 on pump with a 4.0 fyi
     
  17. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    Put on a 4.0 and it may surprise you both...
     
  18. OP
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    5hlucky

    5hlucky Well-Known Member

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    yeah that's hauling the mail, for sure. anything over 130 in the 1/4 and i think i'd be happy. the car just feels a tad lazy in the mid range, hopefully a 4.25 will liven that up. worst case scenario i pulley down to a 3.85 and do a torque booster next year.
     
  19. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    I think I went 137 on 4.25 and pump if I recall correctly
     
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    5hlucky

    5hlucky Well-Known Member

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    any other mods besides the p1sc? that seems absurdly fast.
     
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