Mrpe

Hello,

I have a TII ecu that was modified by MD racing. Although the difference is apparent from the factory ECU, does anyone else have one of these and/or is familiar with that modifications were typically carried out?

Thanks

RotaryRocket88

iTrader: (7)

The only info I can find on it is this write-up someone made for a N326 (NA) ECU: http://www.rx7.voodoobox.net/howto/chip/chip.html. It has some very generous HP/TQ gains listed from apparent timing & fuel modifications. They're a little too generous if you ask me.

MD Racing looks to be out of business, and from the write-up it sounds like they were tight-lipped about what exactly they changed. If your TII chip is anything like one of the many Japanese chips, fuel cut will be removed and the timing & fuel may have been played with. It could even be intended for use with larger injectors, which would pretty much mean a blown engine if you used stock 550s.

Mrpe

it definitely feels torquier right off idle hence I suspect that timing, if not boost, were modified. I don't hit any fuel cut, but have not monitored the injector duty cycle to determine if the 550cc injectors are undersized. However, the car is all stock (I know maybe a rarity these days).

cab91089

iTrader: (3)

Thats a good page to look at since as of today I have been thinking about getting one of my n326 ECU's chipped. I just wish the price on the chip was a bit cheaper.

RotaryRocket88

iTrader: (7)

Uh, I wouldn't bother. The company is dead and the power gain claims are too high to be real. You're not getting 46 extra ft. lbs. of torque at 5700 RPM by playing with fuel and timing. The info I dug up on that chipped ECU is at least 8-9 years old.

cab91089

iTrader: (3)

I thought it was a little old and I already read that the company (MD racing) isn't around anymore but the SAS website mentioned on that page is still up and functioning. I thought it was a little odd that the timing was advanced so much too, with the knowledge I know about rotaries advancing the timing that far can blow your engine easily. Oh well, looks like I'll be getting a stand alone ECU when I get the cash. It's too bad thats not real, it would be worth the money. By the way, I never said I was getting it chipped by them I just would like to get one of my ECU's chipped.

RotaryRocket88

iTrader: (7)

Yeah, I saw the SAS website is still up, but I couldn't find any info on these chips there. It seems like they may have stopped doing it altogether. The only active company I know of that still makes chips for our ECUs is Pocketlogger. And you'd have to go with the Rtek 2.0 to do anything to gain power.

cab91089

iTrader: (3)

I couldn't find anything on the chips either on their website so yeah I think they stopped doing them too. Thanks for the info, I'm definitely going to look into that.