2.3 to 2.0 engine swap - Mazda3Club.com : The Original Mazda3 Forum
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Mazda3/Mazdaspeed3 Engine/Drivetrain Modification Discussions for the Mazda3 and MazdaSpeed3

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Old May-29th-2013, 07:37 AM   #1  
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dom 240sx is an unknown quantity at this point
2.3 to 2.0 engine swap

Hey folks,
I'm new here and I want to talk about a little project I'm starting right now I'm a freak always building some crazy **** in is garage (300zx with RB26 engine, mods rotary engine, tercel with nissan engine, etc) and last week a guy went to my job with a 2004 Mazda 3 2.3L full full full (leather, electric windows, doorlock, sunroof, etc).... After a little inspection why the car won't start I found a hole in the engine Hooooooo poor me I was able to buy it for 300$
So I started to look for an engine to but it back on the road (I'm tired of my non-electric **** all junk protege my brother give me back in the days )
After some call I was shocked.... WHAT THE **** 1500-2000$ for a short block (2.3L)
After some research I want to put a 2.0L in it with all the sensor, intake, exhaust, ECM of the 2.3L
So here I am, a french Canadian on a budget to rebuilt a car without putting money on it

So here's the car :

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Old May-29th-2013, 07:38 AM   #2  
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dom 240sx is an unknown quantity at this point
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And a little extra for you My little summer bitch/drift car :

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So if you have some info on this swap, things I should know before starting this tell me here I'll post update
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Old March-28th-2014, 10:02 AM   #3  
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Racall is an unknown quantity at this point
will if your going to the 2.0 a few of the harness pins are alittle diff from the 2.3 , also would not be able to use the 2.3 pcm . 2.0 and 2.3 blocks look the same externallly but differnt internally . i see people using the 2.3 head on 2.0 block using 2.0 exhaust cam
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