I just want to know if it's possible. It seems like alot of the problems that crop up for me are because my truck is differnt in the fact that it is a cali truck. I would think that the sensors are all the same. The only differnce would be the number of sensors. I would think that I could find an 01 truck with federal emmisions and put that computer on my truck. Then I just need to unplug the drivers side front and back O2 sensors. What do all of you think?

 

i don't know.
but why would you want to ?

isn't the cali setup is perfect for headers and dual exhausts - independent o2 on each side, so you don't have to have a x/y pipe ?

 

I'd imagine it would be alot easier to get an SCT tuner and get a different tune written for it than to go through the trouble of replacing the PCM. Chances are you'd end up with one with a death flash or something anyway.

 

It already has the deathflash. Thats why I have a hypertech. As far as being perfect for dual exhaust. I guess it would be if you ran true duals. I decided it was to much of a pain in the *** to run true dual so I have a y-pipe. I would rather just have one o2. There has to be some down sides to having the cali package otherwise everyone would have one from the factory.

 

Not necessarily. They just cost more to manufacture because of the extra 02 sensors. No doubt it jacks up the cost of the truck brand new as well. There'd be no point in spending the money on the extra parts in states that don't require it.

 

It is my guess that a Cali setup should perform better and get better gas mileage because the PCM gets O2 feedback from each side of the engine instead of the whole engine.

 

Cali PCM uses different ignition timings and mixture settings to meet the lower emissions standards required by our lovely state. If you want performance, then a Cali PCM is not the way to go. Since a stock PCM is flashable, I would think it could be reflashed with the 49-state firmware if you know someone that could/would do it. Of course, this would be illegal for someone living in Cali to do (wink, wink). Even if the PCMs have different part numbers (Fed and Cali), functionally I believe they are the same and can be reflashed. Finding the right firmware is probably the issue, though. I believge they are single use only when the dealer gets them. Harley uses a similar Magnet-Marelli system and the download modules are single use only.

 

Really? could you post a reference or source for that?

 

Kind of common sense. Cali has the strictest emissions standards in the country. In order to meet them the vehicles sold here are basically detuned and have things like air injection pumps and EGRs put on them at the factory. 49-state cars have historically been better performers compared to CA models. Of course, this doesn't apply to 50-state legal model vehicles which are all built to the CA standard.

Here's one reference I dug up, and although he says the difference in performance is slight (for this particular model), he does refer to it.
http://autorepair.about.com/library/faqs/bl755c.htm

Here's another link to a discussion that clearly states how a CA model Toyota is crippled by the stricter emissions requirements:
http://www.toyotanation.com/forum/sh...ad.php?t=29922

 

thanks for taking the time to post that info.

there is only one Superchips 3715 that works for both Cali and non-Cali. I know the 3715 has to install the appropriate program because the Cali has more O2 sensors but do you think the performance parameters are the same?