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06-26-2012, 11:04 PM
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#1 |
 
Drives: 2012 2SS/RS M6 Join Date: Apr 2012
Location: Colorado
Posts: 36
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3 Bar MAP Sensor
Any benefit to running a 3 bar map with FI rather than the stock map?
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SLP TVS 2300, Kooks Long Tubes, Magnaflow 3" comp, BAP, Rotofab CAI, RX catch can, valve cover breather and 3.4" SC Pulley.
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06-26-2012, 11:11 PM
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#2 | |
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need....more....hp
Drives: The Neighbor Hater Join Date: Dec 2010
Location: San Mateo, CA
Posts: 4,091
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Quote:
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Mast Motorsports Built LS3 Stroker 418, IPS GT35R Twin Turbos, Exedy GTO4XD Twin Disc Clutch, Aeromotive A1000 Eliminator Stealth Fuel Pump, AEM Meth Injection, DSS 1400hp Axels, BC Coilovers, Pfadt & BMR Suspension, Hawk HPS Pads, Drilled/Slotted Rotors, Hurst Shifter, Custom Roll Cage by Blu808, T3 Ports, 22" Custom Concave Mesh Rims |
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06-27-2012, 06:54 AM
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#3 |
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Boosted Moderator
Drives: Bone Stock LS3 Join Date: Sep 2009
Location: Marion Tx
Posts: 15,812
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Someone please pipe in If I'm wrong, but I believe the 3 bar map allows you to swap over to a speed density tune...
We are doing this to my car... It has what I'm calling ... gas coughs... or an intermittent hesitation cruising down the road, part throttle, and start up a gradual climb... I usually downshift and get into a higher RPM range to help... I described it to my tuner/builder, he took it for a drive and came back and said we were going to use a three bar map and a speed density tune... If I understood him correctly, he said it gave him a lot more area to play with so the injectors would know what to do from idle, to WOT, and everything in between... Sounded illegal or something... Again... A lot of this is still foreign to me... Last time I worked on cars at anything above a oil changing level was when you tuned a car with a screw driver and a stick, and read spark plugs and tail pipes...The only dyno we had was the butt dyno...
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If the car feels like it is on rails, you are probably driving too slow. -Ross Bentley
Horsepower is how fast you hit the wall. Torque is how far you take the wall with you. “If everything seems under control, you're just not going fast enough.” Mario Andretti If you can turn, you ain't going fast enough... |
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06-27-2012, 07:55 AM
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#4 |
       Drives: CGM,twin turbo, cam 2010 SS/RS Join Date: Mar 2011
Location: ROCKMART, GA
Posts: 2,185
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Yeah Robert at your power level with those turbos 3bar Sd tune is about the only way to go. SD tune takes ALOT of time datalogging.. smoothing out fuel etc..
Pyroboy has it right the stock Map sensor can only read so high so you need to swap after that to get exact measurement of kpa Etc.. Last edited by JLE58; 06-27-2012 at 08:19 AM. |
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06-27-2012, 10:38 AM
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#5 |
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Ghostly Unknown
Drives: Silver Ice 2010 SS/RS A6 Join Date: Oct 2008
Location: Glen St Mary,Fla.
Posts: 483
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Exactly what they said
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TS416,GMPPLSX-LS3 6 Bolt Heads,Custom 80mmComp Turbo,ID850 Injectors, Lonnies Twin Pump Setup,Level 3 4L80E,DSS,3in Magnaflow Exhaust,CoolingMist Meth,RX Dual Catch Can,InnovateWB,Aeroforce Interceptor,AEM Truboost Controller,matte black CF5 Forgestars.700rwhp/712rwtrq
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