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what parts are needed to increase boost for Stillen Supercharger

Originally Posted by DUSHER As of right now I have the following parts/upgrades on my car: Stillen supercharger topgunz air to air upgrade walbro 520 ID1050x injectors CJM twin fuel

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what parts are needed to increase boost for Stillen Supercharger what parts are needed to increase boost for Stillen Supercharger
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Old 12-29-2019, 02:07 PM   #1 (permalink)
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Originally Posted by DUSHER View Post
As of right now I have the following parts/upgrades on my car:
  • Stillen supercharger
  • topgunz air to air upgrade
  • walbro 520
  • ID1050x injectors
  • CJM twin fuel pump
  • CJM S1.SE return system
  • Motordyne cats and catback exhaust
  • Stillen headers

I've read over 50 pages on the A2A thread and cant get a definitive answer on what parts are needed. I'm looking to get around 500-550hp. Also I will be running 91. Also Seb is currently tuning my car. Thanks for the help!
Single 520 paired with 1050 is way overkill for 91. Not good to run rich in low boost.
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Old 12-29-2019, 02:22 PM   #2 (permalink)
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Single 520 paired with 1050 is way overkill for 91. Not good to run rich in low boost.
Yeah, if he's only going to run 91 then you're right they are overkill. If he switches to flex fuel then he would need them.
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Old 12-29-2019, 02:35 PM   #3 (permalink)
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Single 520 paired with 1050 is way overkill for 91. Not good to run rich in low boost.
I'm just going with what Seb is recommending. With Seb's tune my afr doesnt look rich as well.
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Old 12-29-2019, 02:46 PM   #4 (permalink)
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I'm just going with what Seb is recommending. With Seb's tune my afr doesnt look rich as well.
That might be bc of the way the base fuel pressure is being set. Twin pump is a better choice of staggered fuel pump setup for flex fuel tbh. Use the smaller one in low boost (or pure gas) and activate the bigger one to use both of them simutaneously in high boost (when running E).
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