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EFI Corner This is the area to discuss anything fuel injection related....from fuel pumps and injectors to piggy-back systems and standalone ECUs....

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Old 07-28-2006, 02:41 PM   #21 (permalink)
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supposedly i can account for timing. more specifically, i *think* what really happens is using the knock sensor/adapter for the ultimate and that disables timing influence from the ECU altogether.
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Old 07-28-2006, 04:55 PM   #22 (permalink)
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Originally Posted by Boz
supposedly i can account for timing. more specifically, i *think* what really happens is using the knock sensor/adapter for the ultimate and that disables timing influence from the ECU altogether.
E-manage Ultimate can pulls timing information from either your cam or crank angle sensor and send out an alternate signal directly to your coil (s). On my Eclipse I only have one distributor coil so I'm only altering one coil signal, on the 4 cyl eclipse they have 2 coil packs and you would send the signal out to 2 coil packs. I have not really been hunting around too deep in the engine bay of the MR2 yet but I think the 3SGTE is run on a distributor meaning which it should have only one coil no?
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Old 07-28-2006, 05:17 PM   #23 (permalink)
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yes, located directly under the igniter, which is held on a bracket along the firwall directly under the fusebox.
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Old 07-29-2006, 06:01 PM   #24 (permalink)
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I have a book around my house somewhere (im pissed that i lost it) which was written by motec, its huge. Its got like 15 project cars-one of which is an MR2 turbo, and an MR2 V6 they swapped.

They used the HKS VPC and a motec ecu and made like 600hp... Ill try to find it for you guys.
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Old 08-04-2006, 09:28 PM   #25 (permalink)
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So is there any one running the e-manage on a 3sgte and having success? Any reason that an e-manage ultimate couldn't control 350whp with some 650cc injectors?
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Old 08-14-2006, 12:06 AM   #26 (permalink)
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Why on Earth would you use an HKS VPC and a Motec ECU? That stupid VPC is like tinker toys compared with the Motec, which is a very professional EMS that's preferred by quite a few bona fide racers.

The E-Manage will control your injectors if the stock ECU can. The real question isn't if, but how well.

You will make nice numbers, despite that stupid AFM being in place. The real issues are drivability and lag, along with mileage.

The stock ECU has tons of threasholds programmed into it that allow the MR2 to be well-driven. When you screw with these signals, you pass these threasholds at different times then what's advantageous. You can only tune so much of this out.

Don't EVER go with a piggyback that's pure alpha-N control on a turbo! I can't stress this enough! I believe the original e-manage did this.

An EMS will prevent you from suffering from any drivability issues, minimal lag and great mileage if well-tuned. That said, I rarely see well-tuned EMSes, even from big names like Justin Ninni. That's, of course, my opinion.

If you want to put up with carbureted-engine-like mileage and drivability, then mazel tov. If you want something that will not only give you great power, but great manners, get an EMS.

This is all, of course, my opinion.
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Old 08-21-2006, 11:30 AM   #27 (permalink)
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i am working on a 93 with full greddy kit and ultimate w/ 540cc blitz injectors and i am having trouble with it. anyone tuned one ?
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Old 08-21-2006, 12:42 PM   #28 (permalink)
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car is 93 MR2; Greddy td06 20g, greddy intercooler, 540cc blitz injectors, 3" turbo back, type s boost controler, type rs bov resirc, e-manage ultimate runs like **** 14lbs boost
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Old 08-25-2006, 02:20 PM   #29 (permalink)
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Quote:
Originally Posted by Tearstone View Post
This reminds me the ever so popular monkey psychological experiment commonly dubbed "because that's the way we've always done it"
Welcome to every single person on this message board who has flamed me because of my lack of large MR2 community vendor purchases.
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Old 09-27-2006, 08:33 AM   #30 (permalink)
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the original emanage has a few notes that shold be made in the manual. note 1 - ignorte the install instructions and never even bother to hook up the TPS sensor. use the greedy MAP or a GM MAP sensor output to the TPS input. then you are actually tuning a load vs rpm graph. The other note is - get on the emanage user forums / groups and grab the datalogging software someone wrote there. Follow the instructions to feed a wideband output into the emanage and datalog it along with all your other desired parameters. There are 2 air flow measurement inputs, most poeple find air #2 to be a good input. note 3 - also get teh autotune program so you cna take the datalog you just created, and have it create a new map for you which attempots to reach target A/F ratios. ie you tune by setting up a map of target a/f ratios, not additional injection time or altering the AFM input.
note4 - the greedy map and the gm map or any other map can all be used. the annoying connector on the top of the unit can be found in many places.. note5 - dont get all the harnesses. the harnesses are just wires with terminals on the end that slide into one of the other harnesses. Sicne it comes set up with enough wires to do a lot more than you need, you can move some wires and get both fuel and ignition for the price of 1. The laptop to unit cable is a serial port thing that no laptops have serial ports for.. so buy a 3rd party usb to emanage cable for 1/3rd the price.
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