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Discussion Starter #1 (Edited)
We had a Mazda 6 come to us last week for a motor swap. He spun a rod bearing in his Mazda 6 (3L 5-speed) and was looking for a good price on a swap so we took it on. The Mazda was a dream work on compared to the Contour and Cougars we work on all the time. It's like someone actually put some thought into how things could be removed and designed parts to make it easier. Ever try to remove headers or an alternator on a Contour/Cougar... don't it's horrible but on the 6 it was a piece of cake. We are known for modifying 3L motors so they drop into Contours and Cougars.

If anyone has a blown 3L motor and needs a new one, wants mods installed, or just needs general repair on their 3L Mazda 6 let us know. We are in the process of updating our site and plan to add a section for the Mazda 6. We are located in Minneapolis, MN.

Thanks,
Chris
http://www.3LDuratec.com
 

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So the 3.0L in the most current Escape and Fusion makes 240hp. Would that swap in the same way? Just curious
 

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Discussion Starter #3 (Edited)
I had already been looking into a 2010 Fusion motor. I may pick one up shortly to tinker with. I had also been looking at picking up a cheap Mazda 6 as a project car. If anyone knows of a cheap 3L Mazda 6 with a blown motor let me know.

Does anyone know much about the variable cam timing in the Mazda 6? I was looking at the possibility of creating a VCT controller for the Cougar or Contour to allow them to use the VCT motors as well. It would be stand alone and take in various engine parameters and output the 0-12V pulse width modulation needed to control it. I'm trying to find the tables that are stored in the Mazda 6 ECU. I'd love to get the lookup table the computer uses based on RPM and load to determine the duty cycle for the square wave.
 

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My GF has a 2000 contour with the 2.5 Duratec. If it didn't look so awful it might be worth it to do a 3L swap. The tranny is way more of a problem than the engine, so far.
 

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The automatics in the Contour/Cougar are pretty bad. The 3L swap really wakes those cars up. Power usually goes from 145whp to about 210whp (with bolt-ons).
Hey, do you know if headers from the 2.5 motors are interchangeable with 3.0 6s motors?
 

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Hey MonoxideChild, I may have one in my garage. Is it really that common?
no not really

Hey, do you know if headers from the 2.5 motors are interchangeable with 3.0 6s motors?
nope they are vastly different. If memory serves they go around the engine on the opposite side.

I had already been looking into a 2010 Fusion motor. I may pick one up shortly to tinker with. I had also been looking at picking up a cheap Mazda 6 as a project car. If anyone knows of a cheap 3L Mazda 6 with a blown motor let me know.

Does anyone know much about the variable cam timing in the Mazda 6? I was looking at the possibility of creating a VCT controller for the Cougar or Contour to allow them to use the VCT motors as well. It would be stand alone and take in various engine parameters and output the 0-12V pulse width modulation needed to control it. I'm trying to find the tables that are stored in the Mazda 6 ECU. I'd love to get the lookup table the computer uses based on RPM and load to determine the duty cycle for the square wave.
I have talked about playing with the VVT with a couple of the other guys who have pretty heavily modded 6s, and from what has been surmised it isn't something that can be modified like Vtec in a honda. I want to say it is oil actuated by, but a cam sensor, but don't quote me on that as it has been a while. I personally hate the VVT and makes are cars sound like butthole in the upper RPMs.

the 3.7L on the 2G Mazda 6 have several backwards compatible parts so if the fusion shares the same block(idk never looked) then it should be a relatively simple exchange. I know that a company in Canada is in the process of doing a 3.7L swap as we speak and tuning accordingly.
 
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