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chris briggs

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Posts posted by chris briggs

  1. Lately I have gotten my engine running. It's a ez30r and it's nice and smooth, but I am in the final process of tuning, etc and I am stumped on the ethrottle idle control along with the overrun fuel cut off. I switch to ethrottle idle control and the engine shoots up idle then back down...definitely a fuel overun cutoff problem. If I use closed looped lamb idle control it's fine, well kinda. I just would like to know what settings are commonly used with an electronic throttle and the idle and over run settings.... Thankyou.

  2. Thanks for ALL your help everyone!!!! IT RUNS!!! smooth as silk. Okay just for everyone in the future. The problem was the right and left cam sensors. (knew it was trigger related!) Looking from the front of the engine (PULLEY side) i assumed right is right and left was left. WRONG! Left and right is determined from looking at the rear of the engine. (flywheel clutch side) As soon as i hooked up left and right this way.....brooooooom!!! Thats a killer sounding engine in my porsche 914 with the stock boxster muffler out the back!

  3. Thanks Dave. I think you should make a very basic base map on the new software. Once I get this baby running, ID still like to buy your map. That's going to save me a load of time at the dyno. Injectors are set to saturated. Going to make sure my triggers have the correct polarity because I am getting jumping movement on the rpm software gauge not steady like my last engine first crank start. Is there a place to set that initial cam timing in the new software?

  4. Okay update: no more errors. But i still cannot get the calibrated pedal and throttle to work with each other. Pedal does not open or close throttle even though i see the voltages changing on the software. ECU is the only one that can open or close the throttle are my PID settings off? Are my targets off? (going 1 to 1 ratio) Pedal should control throttle plate when in ON position correct? Also when it is done calibrating the throttle plate, there is still a buzzing when it is at rest, this is why i thought my settings were off also. thankyou in advance

  5. Actually i was wondering how do i put the 6 inputs and the throttle body pedal inputs into the G4 extreme. Has someone done this before with success? Is there a pinout of which inputs/outputs to use on the extreme?( I figured out the inputs on my throttle body and pedal assembly, just cant figure out where they go to the extreme) thanks, Chris

  6. so what your saying is that the higher my duty cycle, the less boost i will have. I have it hooked up just like in the diagram you provided a link to.....I thought thats the way my boost controller was working. thanks

  7. I recently bought a GM boost controller to use with my Storm ECU. I have the frequency set at 20 Hz and i am experiencing the opposite of the funtion that everyone says this controller should operate at. The higher i make the boost levels the lower it seems to go boost level. I have it hooked up silver outlet to boost pressure and plastic (non foam filter) exit to the wastegate. So I think i have it set correctly. I tested my boost pressure on my Subaru EJ20 with just a T in the middle with a valve off that T, and i can easily get to max boost of 20 psi so my turbo is working correctly without the controller. Is my Hz frequency too low and would this 20 Hz setting cause this? I was very safe at duty cycle of 40 and i got about 14 lbs boost. I increased it to 85 duty cycle and it seemed to stay there and actually go lower....no increase at all any help would be great, thanks!

  8. I have a subaru ej25 with dual exhaust an o2 narrow band on each exhaust header. It was tuned with one wideband sensor on the left exhaust side that was temporarily replaced during tuning, but it now has both narrow band on each. I am getting an uneven idle and a rich condition on the other exhaust side. How do i let the two o2sensors control their own sides of the engine. so that they both can be "self-tuned" by the o2 sensors on each exhaust header. I see the wide band selection but i dont see a narrow band selection so to make this possible. Basically one exhaust pipe is black and sooty and the other is not (leaner). I have the stoich selection selected, but how does the computer know which o2 sensor is which?? thanks.Any help is appreciated.

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