How Much Boost?

A Forum For All Forced Induction Systems Topics Such As Turbos, Superchargers and Nitrous Oxide.
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93_4Banger
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How Much Boost?

Post by 93_4Banger »

How much boost can i run without any management?

Im deciding what management and just want to run minimal boost?


Let me Know
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Limegreen mx-3
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Post by Limegreen mx-3 »

5-7 psi any more and ur pushing it with stock shyt. try really hard this weekend so ship off parts make that list again of what u really need k. sorry busy wit work.
(12.4@118@18psi) 92 MX-3, KIA (BP-DE)Swap, Electromotive TEC II Standalone, 8,200 Rev Limit, Custom Intake/Exhaust Manifold, 1,000cc PTE Injectors, Custom Fuel Rail, Aeromotive FPR, 80MM Holley TB, MSD 8.5MM Wires, NGK V-Power #8, SC6262 Turbo, 3 in. DownPipe, Tial WG/BOV, 600HP PTE FMIC, 2.5IN Intercooler Piping, EQUUS/Autometer KIA G-Series Tran, Extreme ACT Clutch, Built BP in starting process.
osargeant
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Post by osargeant »

I wouldnt suggest more than about 7psi without management, I run around 11psi without but I am using an ignition control box, bigger injectors and adjustable fuel pressure regulator.
JSpec Turbo MX3 (1.6 DOHC)
http://www.cardomain.com/memberpage/310985

Port and Polished Head, Ported Intake Manifold, Valve Job, GTX Manifold, Hybrid Turbo, Cone Filter, 2.5" Exhaust, 2.5" Downpipe, ACT Street Clutch, Lightened Flywheel, MSD 6A Ignition, Boost Retard and SS Coil, Magnecor Plug Wires, Denso Iridium Plugs, UR Lightened Pulley, Spearco FMIC, Turbo XS BOV & MBC, BEGI RRFPR, Supra Injectors, Walbro 255 Fuel Pump, Autometer Gauges, Pivot Shift Light
93_4Banger
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Post by 93_4Banger »

so 7psi and thats not gunna fuel cut or detonate or any thing like that?

also another question what if i got the BP26 ECU then how much could i boost safely.
Bo0sted_Rafi
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Post by Bo0sted_Rafi »

3 years ago, i run @ 17psi with stock internals un my BP engine in a Kia Spehia 1995 without engine managment, only Protege LX Ecu, 550cc injectors from Rx7. I just adjust the flowmeter
93_4Banger
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Post by 93_4Banger »

what do you mean by flow meter?
Cy
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Post by Cy »

same question:

BP
B6-Ecu
BP-Injectors
FPR
Intercooled
6-7psi turbo
5-6psi intake


Also BP Tracer?.. will the ECU work?
93_4Banger
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Post by 93_4Banger »

thread officially jacked
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Limegreen mx-3
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Post by Limegreen mx-3 »

he means the VAF but i don't see how he controled the 550cc injecters. some guys do crazy setups. i know am one of them too.
(12.4@118@18psi) 92 MX-3, KIA (BP-DE)Swap, Electromotive TEC II Standalone, 8,200 Rev Limit, Custom Intake/Exhaust Manifold, 1,000cc PTE Injectors, Custom Fuel Rail, Aeromotive FPR, 80MM Holley TB, MSD 8.5MM Wires, NGK V-Power #8, SC6262 Turbo, 3 in. DownPipe, Tial WG/BOV, 600HP PTE FMIC, 2.5IN Intercooler Piping, EQUUS/Autometer KIA G-Series Tran, Extreme ACT Clutch, Built BP in starting process.
Bo0sted_Rafi
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Post by Bo0sted_Rafi »

Remember, i used the flowmeter like the protege lx and 323 90-94. ( the flowmeter has a flapper inside) With that flowmeter, you can remove the black cover in the top and adjust the spring it has inside.

Now i have Microtech Ltx8-s and precision injectors 880cc. That was when i have de BP09 ecu
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