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Old 08-06-2013, 09:07 PM   #41
beatmaniac1
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Were the caterhams tuned on euro ford ecu or standalone ?
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Old 08-06-2013, 09:22 PM   #42
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Standalone , Emerald and a few others

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Old 08-06-2013, 11:29 PM   #43
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There is still a problem :I cant run an euro pcm in my svt cause the st170 has the same pcm as the svt ( Welll , I read that somewhere on FF... )
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Old 08-07-2013, 10:36 AM   #44
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That is correct it is the same ECU

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Old 08-08-2013, 02:48 PM   #45
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Well the project will be on the back-burner till I have enough time to start thinkering with a stand-alone... Until then , I'll try to remove as much weight as possible from the car ( It's a lot heavier than my former zx3 )
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Old 08-13-2013, 12:25 PM   #46
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just wondering if you use the itb as a plenum cant you still run maf with it then?
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Old 08-13-2013, 01:11 PM   #47
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I will be trying this out in the next few weeks just to see how it works. BMW & Toyota both have individual throttle induction systems in use on production cars. The BMW runs a Bosch MAF sensor in conjunction with an Alpha-N algorithm. So I would assume that it is possible. You would still need a healthy tune.

I have read that due to the more prevalent reversion pulses caused by multiple throttle openings. They can mess with the MAF readings if the sensor isn't placed properly in the intake tract.
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Old 08-18-2013, 05:29 PM   #48
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Got my ITB setup installed and idling. First try was a bit screwed up as I had the TPS sensor wires crossed. So the ECU was seeing 80% throttle at idle when they were actually closed. Wouldn't start without giving it a shot with the gas pedal. And it fired up with a TPS CEL and reverted to MAF only and wouldn't idle without giving the throttle a few snaps every now and then.

After switching the wires the GSXR TPS is @ 19.2% and will not go further than 70% based on the Ford voltage scalar. Therefore a custom calibration will be necessary in order for them to run properly.

Here are a couple shoots of the live data on my scan tool.... No CEL... however it will come on for the DPFE and EGR as they have both been removed. For those who say that the stock ECU will not idle over 700-850RPM... here it is @ 1200 RPM. The IAC is hooked up and running. In case anyone is wondering, the IAC valve is pretty much completely closed at idle @ these RPMs.



As you can see it is running a bit on the warm side and the ECU is really attacking the fuel trims....



19.2% throttle and a really good IAT and flow reading from the MAF. It's quite obvious that the 4 throttles suck air much faster than a single throttle body. The 65mm throttle body @ 1000RPM was reading @ 2.8 g/s.

The placement of the velocity stack out of the engine bay probably helped a bit with the temps. The velocity stack actually fits up there with the hood closed. However I will be changing the CAI tube to tuck it back in behind the battery with an air box and hood vent.

Due to a coolant leak in the steel oil cooler and water bypass lines. I will not be taking this out on the road for a day or two. I will also try and see what I can do to keep the ECU from trimming so much fuel on the ST & LTFT.

Little video of the second start up after the TPS wires were fixed.
YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.

Last edited by GhostTribute; 08-18-2013 at 11:09 PM.
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Old 08-18-2013, 06:52 PM   #49
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Old 08-18-2013, 07:06 PM   #50
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LOL LOL

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