TRD Supercharger Lean Condition

Ok, Ive been doing a lot of reading about the tacoma TRD supercharger, and the tacoma's fuel system.... Now, I consider myself failry savvy on moder engines, and fuel sysltems, especially when it comes to a boosted modern fuel injected engine.....
The tacoma, it seems to me, has a very poor fuel system. Now, I have yet to get some gauges onto the tacoma to see whats going on in the motor, but seems like the fuel system just cant keep up!

This thing doesnt even have bosch injectors in it, and going down the interstate at 75mph it was pinging like crazy!


The 7th injector mod, TO ME, seems like a cop out, a bandaid, and for 1000 bucks I know I can upgrade the stock fuel system to work...




Does anyone have a good running tacoma supercharged with an upgraded computer, and fuel system without using the 7th injector?




Where is some stock toyota fuel injector info, and fuel fump and pressure and regulator info?

Thanks!

 

You HAVE to get the fuel mods for the SC or you'll still get the pinging. Check out urdusa.com for some options.

 

YEah, I was just there. Lots of cool stuff!
BUt in a dealer installed setup, why why WHY would they install the blower without any fuel upgrades? Its nuts.
A dealer installed Item usually doesnt effect the warranty, but to me this is a big liability to toyota.
Lean is Mean, but it sure doesnt do good for the longevity of the engine.

Are the stock fuel injectors just maxed out, or is the toyota computer a closed loop system incapable of realising the extra air, therefore no extra fuel is introduced.

The o2 sensor doesnt see how lean the truck is running? It should throw a code, otherwise what use is the o2 sensor, and the mass air flow sensor?


Its just dumb. I have a good friend with a 99 GTP 3.8 with the M90 blower. He had 400 horse dyno proven to the ground with the only mods being a pulley, a pump and regulator!

 

Ive seen people swap pumps and injectors to solve the pinging problem, or doing the 7th injector mod

 

What do you use to tune the computer? I can do the pump and injectors and all that no problem, but I need to know what software and hardware I need to tune the computer....

 

Will these work?

http://www.urdusa.com/index.php?cPath=66&osCsid=rjiuv3jmv6qmceb96m5amir3o7

 

You need a wideband to tell your AFR's. Id suggest the URD 7th injector kit. Then you wouldnt have to replace each injector. If you're feeling crazy, get a piggyback ECU, then you would be able to adjust timing to control ping also...

 

looks like they have everything you need to do it right. Its not cheap... like the injectors. pretty much the same high impedence injectors out of a ford mustang, just some mods to make it fit the stock rail.....400 bucks for the set of 6!
They are like 5 bucks each at the junkyard!

 

This technology stuff doesnt have to be expensive... you just need to know where to look, do some research, and you can find what you need cheap.
The trick is knowing what to look for!

 

I wouldnt trust USED injectors...

 

Why? All injectors are used injectors. Id trust an injecotr that has put 100,000 troublefree miles on a car, rather then a brand new popoff directly from a some cambodian sweatshop mass production factory...
Besides, if you have $10 multimeter you can test an injector in 5 seconds to see if it works right or not....
you know I guess, the less work you want to do the more it cost. I want it all for nothing, so im willing to dive through a junkyard, test injectors, install my own pump, get the test equipmet, and learn the right way to do things myself.....
shoot you could trow a 2 barel carb on top of the manifold and dial it in to suplement the extra fuel it needs in the top end, but why not just do it right the first time

 

Its your money, i surely dont give a shit. If you know what to do.. go do it.

 

http://www.urdusa.com/product_info.php?products_id=1260198049&osCsid=rjiuv3jmv6qmceb96m5amir3o7

 

thanks man now THAT is a nice littel tool there!

 

Yeah cuz you can download the software but your gonna need to find some kind of piggy back so I think that just getting the piggyback from urd is the easiest way to go