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2005 Mazda 3 – 2.3L to 2.5L Engine Swap. The Details. Blah, Blah, Blah








So, you want to swap a 2.5L into your Mazda 3? Better watch this first! Check the links below for more info and details.

Warning: Lot’s of boring yapping going on in this one. lol

Link do Vídeo






48 Comentários

  1. Amigo muchas gracias tu vídeo fue de mucha ayuda para mí ya que estoy en el proceso de hacer este swap en miazda 3 2.3, muchas gracias de verdad te ganastes un seguidor de mi parte

  2. This swap also works for the Mazda 5, but the 2006-2007 5 has the same camshaft issue that your early Mazda 3 does – you need to use the older intake cam. I opted to buy a new one from Mazda since my donor engine had only 10K miles on it and I didnt want to try and swap the gear. I have done two of these swaps into Mazda 5s now and would definitely do it again. The intake adapter (available on ebay) is definitely worth the $60 it costs. I painted it black as I live in a state with emissions inspection and technically this swap and this spacer arent legal. Painting the adapter spacer black makes it look like part of the intake manifold and both of my swapped cars went through inspection without a second glance.

  3. 04 Mazda to 09 fusion
    Changed the timing cover, degreed the cam cog and swapped cam sensor cog to the 2.3, using the 2.3 flywheel and crank sensor. Car will fire one time and shoot fuel one time and then shuts down

  4. The question I have for you….. Would you do this again? And…. Would you consider using a different transmission? I feel like the 5 speed isn't tall enough and you could get better mileage and comfort at highway speeds. But, not sure if it's worth the additional cost/time.

  5. The 2.3 liter has 135 Hp & 153 Lbs torque.
    The 2.5 liter has only 119 Hp & only 146 pounds of torque! Why would you want to switch a more powerful & more fuel efficient engine for a less powerful and less fuel-efficient engine?!!

  6. I HAVE A 2007 2.0 MAZDA3..I did a swap with a 2007 2.3 engine ..but wen the car comes to a regular temperature .the car stalls and don't want to run.i really need help…

  7. Can one do a swap of Mazda CX-7 turbo charged with a non turbo engine and if so which one? I would appreciate any leads.

  8. Great video. Just a heads up, I think if you put the 2.3 cam in the 2.5, you have to grind down the #1 cam hold down a little.

  9. the 2006 and up is a pretty direct swap with some replacements from 2.5 to 2.3. But overall its a pretty easy going swap compared to the more intermediate swaps

  10. Ahh I really wanted this engine…I hear it doesn’t have engine oil burning probs down the road. My Mazda is also 08 and I noticed that my valve cover has the dipstick there so I’m sure there’s even more diff to look out for like the timing wheel, Oil pan, etc…

  11. Why would you swap n a motor that was only .2 of a liter bigger? I bet it was because the 2.5 is more available? I'm looking for a 2.3 for an 05 mazda 3 and so far the only ones I find are newer and nobody says they will fit., but no body knows why. I could get one at "Bucks auto wrecking" ( like pick a part) but don't look forward to laying on the ground without an impact and paying $300 for something with unknown Kms.

  12. Ehh, i rather just keep my regular 2.3l in my 2006 Mazda 3. The 7 HP extra horsepower from the 2.5L doesn't seem worth the time and headaches in doing this swap.

  13. Wow I wanted to shoot myself after this video….
    People like this shouldn’t make videos…
    Just shut the fuck up and go to the mirror if you like hearing yourself talk so much.
    God damn I just lost 27 min of my life…. I couldn’t finish the video.

  14. Oh crap oh I was looking for the cars online they are nice looking for the years affordable not expensive like corolla

  15. Curious, do the heads line up? Under a quick google search that partially brought me here I thought I saw the blocks are the same so you could just do the heads.

    -peace

  16. What about put the fusion 2.5 engine to fusion 1.5 ecoboost (engine fairlure) and then install a turbo kit there. Simplest way coz i need need daily car. What do ya think about that?

  17. swap my 2005 mazda 3 2.3l with a 2012 ford fusion 2.5l,i only swap the crank shaft pulley,timeing cover,oil pan,vavle cover from 2.3l to 2.5l and the car works fine

  18. I am planning to do this swap with my son’s 2006 Mazda 3. It has a rod bearing knock that was due to oil starvation. I getting a 2.5 engine from a 2011 Mazda 3 that is fully dressed with over 100K kms. Will this swap entail all the procedures you mentioned like stripping the 2.5 down and transferring parts from the 2.3 or is it a direct swap since it’s a Mazda engine and not a ford? Most searches I’ve seen is the fusion engine swap so far. Thanks in advance.

  19. Hi, thank you for the great and detailed video! I was wondering if you could possibly help and/or point me in the right direction. I have a 2005 hatchback and wanted to look into putting a 2006 2.3L engine. I know the intake cam is different, but wondering what options I have. Thanks!

  20. I have a 06 mazda 6 2.3 4 cyl w frame damage on the passenger side (Was Tboned), Just installed a new Radiator, AC Compressor, Belts, And we put in a low mile jdm 5 speed trans w new clutch. I want to swap everything from my car into a clean 03 mazda 6 w a v6 5 speed. Is this a hard swap it sounds pretty simple? Any advice would be greatly appreciated. My mechanic has a full access garage w lift so just wanna know if its worth it in my situation.

  21. Do you recommend swapping my automatic Mazda 2 1.3 to 1.5? Same series DE, DEJFS to DE5FS engine swap. I have access to cheapish long block 2/Demio engines and thinking about it. Thing is upon first glance engine size and design is a little bit different.

  22. I have an 05 Mazda 3 2.0 and I just threw a rod and the engine cracked now I have to get a whole new engine

  23. This was a good watch. I learned alot. You can't buy time, depending on how you value your time, I recommend staying with the 2.3l personally. I hope your son enjoys the car. I love mine!

  24. Ever run into an axle on the driver’s side being hard to get out from the transmission end? I’ve got more than half my 2.3 out but that driver’s side axle is throwing me for a loop. FYI, my 3 is a 2007.

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