Forced Induction Custom FI Setup Questions

My 1.5 Mirage turbo

Old Oct 21, 2009 | 09:35 PM
  #11  
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^ thanks a lot. i dont get to many comments at car meets.
Old Oct 21, 2009 | 11:25 PM
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that cause everyone is jelous, i would think it would respond to boost better than 150hp @10psi get a bigger turbo and shoot for at least 200
Old Oct 23, 2009 | 04:59 AM
  #13  
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that is the plan. i need more fuel cause im already maxing these injectors +40 on high throttle and air fuel ratio is 13.5 at 6000. (shift point is 6400) only 1 person has hit 200whp from what i know and thats on 15 psi and a 40 shot. id really like to build the engine but i have to want since no moneys. thanks for the replys guys!
Old Oct 23, 2009 | 03:48 PM
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very cool
Old Oct 24, 2009 | 01:26 AM
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what is your fuel pressure @?
Old Oct 24, 2009 | 04:25 AM
  #16  
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42psi at idel. i will be install ing my booster pump soon.
Old Oct 24, 2009 | 12:19 PM
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I just used a aftermarket walbro fuel pump for my setup (255). Before we tuned my setup on the dyno it wasnt making to much power, maybe 140? The tune is what reallly got me up there though we tuned rich. Running such small power (these t25 turbos really are crap lol) the boost doesnt affect the motor like you would think. I pushed 15psi on stock internals Daily driven (and seriously beaten) for almost a year before the thermostat got stuck and my temp gauge didnt work leading me to a broken ringland on a hard pull =-( Dont be afraid to raise the boost when your ready, these turbos are cheese.
Old Oct 24, 2009 | 10:25 PM
  #18  
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so is my 13c comparable to a t25? cause it sure as hell does not pull like one. all of my power(and it may be due to the automatic) is above 3500 rpm. i have a friend with a lot nicer manifold and a dsm t25. it also pulled at lower rpms. im talking 8 psi at 2200 so if that is the case then i just need to put my booster pump in. grrrr its so fustrating. so let me ask this. most people say you want to tune in 3 gear and my a/r on the wide band will be steady at 13.5 and sometimes hit 14.3. should i add more fuel? reason why i ask is my high setting is at +40 already. i just do not want to over max my injectors.
Old Oct 25, 2009 | 03:09 AM
  #19  
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why dont you get a set of dsm 450s or a set of rx7 460cc injectors? what are you doing about timing for that car. that is just as important as fuel mixture
Old Oct 25, 2009 | 09:48 AM
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Mitsi tdo4 13c should be on par with Garrett T2.5, your AFR should be more conservitive for a turbo car, suggest runnning 12's...... A Conservitive Tune and Enuff Fuel can give ---- engine's a longer life making decent power...

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