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Running regular COP coils in wastedspark is fine as long as the following two conditions are true: 1. The dwell time of the coil is sufficiently short that you don't have decrease the dwell time in order for the coil to charge and fire within one crank revolution. Example: Say you plan on...

Southern California. My shop is in Carson, right down the street from where the Goodyear Blimp is moored. Originally from the land of brats, beer, and cheese but moved here 7 years ago and not looking to go back. (brrr... too cold, was -16F when I got off the planes to visit family for...

Here's some video's from the SC this morning. This first one is cold startup. http://www.youtube.com/watch?v=09Kde5jWhsU The second one is a WOT downshift. (sorry it's shaky) http://www.youtube.com/watch?v=n37w85jSZms Enjoy!

Tranny shifting is way different and much improved. I can program which gear I want to be in based off TPS and Vehicle speed and am still tuning it in but it feels pretty good. I've got it so it doesn't do the stupid quick shift out of first at light/moderate throttle that annoyed the crap out...

I finally got around to getting the 30-1100 AEM EMS installed and fully sorted on my own personally daily driven 1992 SC400 the other day. Total physical installation time, including the EMS, 3.5 bar MAP sensor and dual widebands took approximately 1.5 hrs. (wideband sensor install and wire...

The 2nd Gen AEM25 EMS uses the same PC software as the current AEM15 and the firmware/calibration format is the same except for added coil & injector outputs and some other differences like a frequency center for the improved knock sensor hardware interface and 4 cam control instead of just two...

The 2ZZ-GE also has a Yamaha head. I was working on a Lotus Exige yesterday and saw the Yamaha name on the cyl head cover.

1jz & 3sgte beams both have heads designed by Yamaha but I believe the 2jz & 1uz are Toyota's handywork.

I used an AEM 30-1050 EMS (OBDII Honda application - inexpensive and ECU mating connectors and terminal available from AEM) wired into an Autosport Wiring patch harness between the stock ECU and harness. The stock coils are triggered in a wasted spark fashion since the EMS only has 5 coil...

Just under 500hp. Look further back in the thread and there's a curve John posted.

26 degrees timing from 3300RPM to redline under the following conditions: 21 psig boost 100% Throttle 111 F Air Temp 199 F H2O Temp 11.5 AFR gasoline equivalent on both O2's (0.78 Lambda) Fuel was approximately 20% methanol and 80% C16 (by mass) This ignition timing value resulted...

The car's powertrain was completely stock when I dyno'd it. (Had wheels, tires and coilovers on it) You always have to take dyno measurements with a grain of salt. Dyno readings always vary from dyno to dyno, even if they are from the same manufacturer. I've seen variations of 25% between...

My SC400 put down 230 wheel horsepower on a Mustang dyno when the car was stock with about 205k on it. Don't know if factory hp rating was at flywheel or wheels.

The entire Los Angeles basin has been inundated with smoke and ash the past few days. Here's a shot from the RB Drifting competition down on Terminal Island in the Port of Long Beach on Saturday. It was 2:00PM when this picture was taken and that's not tire smoke behind those cranes.

Flow rate and spray pattern may not be suitable for liquid LPG. I take it you are looking to use a vapor system?

I will be piggybacking an AEM on a supercharged one here soon so I will yet you know how that goes but I am not sure LPG is gonna work with the stock direct injectors.

John, I'd recommend going twin turbo for the second engine. You'll free up quite a bit of power by not having to spin the blower and won't have any belt slippage issues like last time. Additionally, if you were to go back to the stock intake manifold, the cylinder to cylinder air distribution...

1UZ VVTi An AEM should be able to run a 5.7L except that the AEM can only control 2 variable cams so all 4 cams on the 5.7L couldn't be completely controlled with it. You could control the two intake cams and leave the exhausts to the stock ECU or some other arrangements. Attached is a...

1UZ VVTi Running Successfully on an AEM EMS I have recently gotten a Twin Turbo 1UZ VVTi running successfully on an AEM EMS in a '00 GS400. The AEM EMS is controlling fuel, timing, VVTi, and ACIS among other things. Stock ECU is still controlling the DBW throttle and the 5sp auto tranny...

The AEM EMS will do up to 2 channels of VVTi so a 1UZ with VVTi on the two intake cams should be no sweat. The AEM EMS can be setup to work with the late model Toyota 36-2 crank trigger wheel that is found on the VVTi motors although a pull down resistor inside the ECU usually has to be...