sgnlab

http://cgi.ebay.com/ebaymotors/Honda...Q5fAccessories

seen this today on ebay is it even possible?

0mtber

iTrader: (2)

"The second set of injectors will engage when you hit Vtec thru the injector harness coming directly from this ECU"

Made me laugh a little.

My bet would be that they simply piggybacked the power/signal from the original injector outputs to try and sell the ecu as something special.

sgnlab

I figured that! But Hondata has to do something we need some 8 injector action out of the s300!

sander

Id be careful with that, the drivers may not be able to handle two sets. That is asking alot of the computer.

quicksilver1689

yeah injector drivers might take a poop

boosted hybrid

That is actually my old 8 injector ecu that was done through Raver motorsports. It uses another set of factory injector drivers that are powered via vtec solenoid on the board. When vtec is turned on, the secondary set of injectors turns on as well. It works really well actually. You just have to scale the secondary vtec fuel map to compensate for increase fuel flow from both sets. Raver motorsports did a bunch of those ecus for the edelbrock 8 injector turbo kits they were selling. Its actually really reliable since the injector drivers are OEM honda, but both sets of drivers are saturated.

SovXietday

^Neat, how is tuning the crossover with that though?

boosted hybrid

Pretty decent if you have the secondary vtec fuel map scaled properly for the combined flow of the injectors. There is still a quick "rich" blip on the crossover but you cannot feel it. I would just as soon switch over to aem ems and run 8 injectors in staged control. Much more control over secondary injectors, and pretty simple to set-up. You can phase the secondary set in via load/rpm just like the main VE map.

sander

Oh ok, thats a pretty cool idea!

quicksilver1689

stupid 08