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Thread: My LCD screen project, boost, WBO2, Knock, etc

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    My LCD screen project, boost, WBO2, Knock, etc

    I know some of you don't visit the other forums, so I'll show you what I made.

    I built something to replace my scanmaster and greddy profec B spec II boost controller and to make it easy to see while driving. It shows the AFR of my wideband O2, boost pressure in PSI, and knocksum from the ECU. If I want to see other datalogging parameters in real time I simply turn a rotary knob to the right. If I want to change my boost settings I turn to the left. To make changes, I simply push down on the knob.

    Works with all year model 3/S cars (91-93 OBD1), (94-99 MUT). My friend with his 94 RT/TT wanted one so I spent a few months analyzing the MUT protocol and made it work. It can view Knock, Timing, Fuel trims, etc. Basically anything OBD1 can datalog, MUT can view too.

    Because it's two products in one, I can for the first time have this boost controller respond to knock. ie. Lower boost if engine knock is present.

    Another thing that worries me if my tune may drift lean when weather changes drastically. It will monitor for knock, and AFR and if it gets too lean with a small amount of knock, it will warn flash the screen red to get my attention and show how much knock was present, the WBO2 AFR number, boost pressure PSI, and RPM. Armed with this four pieces of information I can adjust my tune if needed be.

    Temperature can have an influence on boost, so I've made a table that will re-adjust the duty cycle in order to maintain a more consistent boost.

    I lose about 2 psi at redline because of my stock catback, this is no longer a problem. At 4000, 4500, etc RPMS, I add more duty cycle to compensate. Now I get steady boost across.

    Displays CEL codes in english, no need to have a chart with you.

    Earlier video of it in action. I've changed the menus a bit since.


    Video showing the config menu, and exploring a bit.








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  3. #2
    Why? Because Race Car. verified Feedback Score 0 akotten's Avatar
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    I remember seeing this. I would LOVE to buy one of these.
    91 R/T TT
    Mods: RC 550s, Stillen Downpipe, Stillen Cross-Drilled Rotors, HKS Exhaust, HKS VPC, HKS EBC, HKS Turbo Timber, HKS Twin Power, HKS SSQV BOV, HKS SMIC, HKS Fuel Pump, Wiseco Pistons, 3SX Rods, Ferrera SS Valves, 3rd Gen Lifters, 15G Turbos, Centerforce Dual Friction Clutch, B&M FMOC, Unorthodox Racing Underdrive Pulley, EGR blockoff.

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    Forum User verified Feedback Score 1 (100%) thor'svr4's Avatar
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    thats nuts!
    the basic go fast bits...
    forged short block, Billet DR1000's, 680cc injectors, meth inj, FMIC, MAFT, Apexi Neo, hotwired 255lph fuel pump.

    Tuned by Ray Pampena

    Just a fun Daily Driver.

  5. #4
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    Again when are these for sale????

    Check it out on Youtube!!


    93 Stealth TT - The Stealth Project

    Renegade Tech Works ECS Controller on Intrax Springs
    Chrome ECU
    Hybrid 13g's
    EVO 560cc Injectors
    Spec Stage 3 clutch
    Ninja Performance Output shaft & Input spool
    Ninja Performance Solid Tensioner & Gates racing T-Belt
    CX Racing Dual Core FMIC
    Megan SS Exhaust
    Fidanza Cam Gears and Clear Covers
    3rd Gen Lifters
    HKS BOV
    K&N FIPK
    Maximal High flow converter
    Walbro FP & FuelLab FPR
    Maximal and Seattle Solid Mounts
    All -6an Lines
    Custom -6AN coolant neck lines
    AWS/ABS/Cruise Delete
    MP Rear Control Arms
    SS Brake Lines
    99 Front Conversion
    2nd gen Rear Bumper
    99 Combat Wing
    Complete interior LED Swap
    Skillard Fuel channel
    Oohnoo FPR Bracket
    .
    .
    More to Come......

  6. #5
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    badass, let me know $$

    Parting 6 speed
    Pampena 3.5 Stroker, TiAL DR750s, AEM Series2, oohnoo SMIC, DN Hardpipes, ID1000s, Walbro 416/485, aermotive fpr, Dejon intake pipes, Tial QR, DN Precats, 3sx Single Pass Rad, Samco Hoses, Stoptech 332mm fronts, Tein S-Techs, Bilstein HDs, Spec 4+, JDM 6 Speed, Billet shift forks, Pampena brace

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    Wow looks like a great product. Count me in.

  8. #7
    Here for the party Not Verified Feedback Score 1 (100%) CoreyB's Avatar
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    One of the coolest mods I have seen

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    Forum User verified Feedback Score 0 rdmelton's Avatar
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    Wow, that is an incredible product for an individual into make. It is as good or better than most professional products that I've seen, even including other platforms that have a lot more aftermarket support. Just curious, what is your background (I'll take a guess and say electrical engineer?) and do you anticipate selling these?
    Gray 2010 CTS-V - Airraid intake, Corsa Sport exhaust
    Silver 2013 Audi Q5 3.0T
    White 99 VR-4 - SOLD
    Blue 92 Stealth R/T TT - SOLD
    Green 93 Stealth R/T TT - SOLD

  10. #9
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    subscribed to see if a sale will happen on this.

  11. #10
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    I'm an unemployed electrical engineer / computer science guy so with my free time I made what I desired for my car. I've made a couple extra units, and sold some to my local 3S friends. I won't put a price up because I think I might be breaking a forum rule then. If you really want one, you will have to contact me outside the forum so we don't do anything wrong.

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