Daughter has killed the car .. - FMVperformance.com : The site for all your Ford Mazda and Volvo needs
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post #1 of 11 (permalink) Old 01-27-2018, 04:09 PM Thread Starter
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Unhappy Daughter has killed the car ..

I can use some help..( trying to fish through all the post is hard) I have a 2008 mazda 6 2.3 4l automatic my daughter has drove with hardly any oil and guess what blown rod.
I am trying to figure out what engine to look for and year I can use, from all the post I have read sounds like a 2.5 4l would be my best option just not sure what brand or year that would work best and the most cost effective
any help or thoughts would be awesome thanks.
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post #2 of 11 (permalink) Old 01-27-2018, 04:34 PM
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Notch,

I feel your pain. My daughter's head gasket blew in August of this past year. At least there is a lot of good advice here.

For starters, my daughter's car was a 2007 3i (2.0L, 4sp automatic). I really don't know how the years of the Mazda6 are lumped together, but for the Mazda3, 2006-2009 is all the same. I went with the consensus in the forums that "up to a 2012" Ford Focus engine was the way to go. Hence, I put in a 2.5L Ford Focus (also 2.5L Mercury Milan or Ford Escape) engine as new as possible with as low miles as possible.

I found a 2012 engine on eBay with 20k miles on it for $840 (including shipping). At least with your 2.3L engine you have a head start in that your oil pan and timing cover are good to use. I had to source these from a used Mazda 2.3L engine because the 2.0L engine parts were not compatible.

I supposed you can put in a 2.0L or a 2.3L or whatever you choose. But the 2.5L engine is really nice. It gets good fuel economy, sounds good, starts effortlessly, etc.

The intake system is where you need to make some choices. Either use your existing 2.3L stuff with some adaptors that folks on the forum make, or get some MAZDA 2.5L parts (intake manifold and throttle body) to work seamlessly with the Ford 2.5L engine and its 2.5L fuel injectors.

If you venture into unknown territory, like a 2013 engine or newer, then there may be other incompatibilities that you'll discover.

When you look for an engine, you are not looking for one that was mated to a manual or automatic transmission. That part doesn't matter. Only the VVT solenoid connector at the top of the engine matters. Your engine either has a rectangular or an oval connector. If you buy an engine you can find one with either connector. Get the wrong one and you have to buy a new connector and solder it on (or buy a new variable valve timing solenoid to fit the existing connector).

Start looking and let us know what you find! It's kind of a fun process even through it sucks at times. You can check LKQ online, eBay, Automotix, etc. Hint, eventually all those come back to LKQ! You'll pay extra for a nice, searchable website like Automotix even though the engines are from LKQ.
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post #3 of 11 (permalink) Old 01-27-2018, 05:19 PM Thread Starter
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Hi and thanks for the help, I think from all the forums I have read I definitely want to go with the 2.5 sounds like I could use a mazda or ford 2.5 (not sure on the year)

except 06 or newer. the mazda 2011 2012 motors are comparable to the ford in price on LKQ might go this route,

I'm just not sure if I can use 2012 or 2011 motor or what all this 8th digit and vin H ? stuff means or if it even matters, I want to go with the newest I can get with less miles,

I have bad feeling that the camshaft is also bad now urrgh.. I guess if get the mazda 2.5 should come with what I need? except probably go with getting the 2.5 throttle body and ( intake manifold 2.5 fuel injectors like you suggested depending on the cost of course.

now if i could just figure out witch motors to shop for and year.

sorry if I sound like a newbie never had to replace a motor before
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post #4 of 11 (permalink) Old 01-27-2018, 06:23 PM
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Shopping for a motor can be a bit overwhelming, but it's easier once you know what to look for.

Do a google search for "2012 Ford VIN guide" and click on the pdf you find. This VIN guide is different for every year, so download a VIN guide for each year you are interesting in. I attached a snippet from the 2012 guide showing the 2.5L gasoline engine has an 'A' in the 8th digit.

Other parts of the guide will show you that the engine is from a Focus SE, or a Focus SEL depending on the actual VIN code.

You can add rectangular (or oval) VVT connector to your google shopping search. So, if you decide you want a 2012 Ford Focus engine you can search for "2012 Ford Focus 2.5L engine rectangular VVT connector" and find exactly what you need.

There are several more folks on these forums who are tons more knowledgeable than me. Wait for them to chime in on the Mazda6 engine requirements. Or, you can read Wikipedia on the mazda engines and read about the type of engine offered in each mazda car over a particular period of years. You might find that the exact same engine was in the mazda3 as the mazda6 for 2008 and then you'll know you can start your search! Same thing with understanding which type of Ford engine to look for.

Go over to the really really really long engine swap thread and just ask there about what type of engine from which vehicle you can use.
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post #5 of 11 (permalink) Old 01-27-2018, 10:55 PM
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Mazda 3 2.0 l swap for 2.5 mazda engine

Hi,


Gez from Australia here.


I have 2008 Mazda 3 2.0l hatchback, manual gearshift and want to know if the timing cover from my engine will fit the 2.5.


I believe that this is necessary to enable the oil pan change to facilitate A/C fitment back to the original position when swapping to the 2.5 . I also was under the impression that all of the timing covers were the same but I read later in the posts on the swap engines subject, that the 2.0l is shorter , is that right? Aren't the 2.0 and the 2.3 timing covers the same ?


The Mazda 3 2.5 litre is called the SP here by the way and I think it can be used up to 2013 I think.


My engine is fine , would just like a bit more power.


Hope this makes sense .


Gez.
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post #6 of 11 (permalink) Old 01-28-2018, 10:53 AM
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Quote:
Originally Posted by supergez View Post
Hi,


Gez from Australia here.


I have 2008 Mazda 3 2.0l hatchback, manual gearshift and want to know if the timing cover from my engine will fit the 2.5.


I believe that this is necessary to enable the oil pan change to facilitate A/C fitment back to the original position when swapping to the 2.5 . I also was under the impression that all of the timing covers were the same but I read later in the posts on the swap engines subject, that the 2.0l is shorter , is that right? Aren't the 2.0 and the 2.3 timing covers the same ?


The Mazda 3 2.5 litre is called the SP here by the way and I think it can be used up to 2013 I think.


My engine is fine , would just like a bit more power.


Hope this makes sense .


Gez.
Supergez,

The engine blocks between the 2.0L, 2.3L, 2.5L (mazda / ford) are the same. The heads are not. The 2.0L head is 3/4" shorter than the other two because of the stroke length difference (not to mention bore difference) with the smaller displacement.

With the 2.0L swap with a 2.5L here is what you need to change.

1) Timing cover - source a used, taller 2.3L mazda timing cover

2) Oil pan and oil pickup tube - source a used, deeper 2.3L mazda oil pan (IF your car has A/C) and get a new 2.3L oil pickup tube. The 2.0L engines did not use a balance shaft. The 2.3/2.5 engines have balance shaft hardware that hangs down into the oil pan area. The 2.0 pan will not fit unless you decided to to a Balance Shaft Delete on your new engine. Your choice. Keep in mind it holds less oil too! If you have A/C, you'll need a 2.3L mazda oil pan with the indentation to fit the A/C compressor. If you don't have A/C you can use the ford oil pan from your new engine. The oil pickup tube is matched to the pan shape and depth. You must use an oil pickup tube that matches the oil pan.

3) Passenger side motor mount - get a new 2.3L mazda PSMM. The mount location is on the head. Taller head, taller motor mount needed.

4) Exhaust manifold. There is a beefy metal bracket that bolts to the backside of the engine and supports the exhaust manifold from underneath. The taller head means your exhaust manifold now sits 3/4" higher than it did before. The bracket will be 3/4" too low. A bracket must be used, or your manifold will hang from the attachment point on the engine and put all the stress on those bolts. I got some 3/4" machined zinc-coated spacers from Ace Hardware (about $3 each I think) and some longer bolts. The spacer fits so nicely between the bracket and the exhaust manifold. Longer bolts WERE NOT NEEDED since the original bolts were plenty long. The spacers were available in brass, raw steel, zinc-coated steel, nylon, etc. This is a high heat area so stick with metal. A stack of metal washers could also work. The zinc-coated spacer is by far your coolest option. Except no one will ever see it.
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post #7 of 11 (permalink) Old 01-28-2018, 02:00 PM Thread Starter
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Any thoughts on a mazda6 motor 2.5 swap . what motors could I use 2.5.. year and make for this swap into a mazda 6 2.3 2008
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post #8 of 11 (permalink) Old 01-28-2018, 05:35 PM Thread Starter
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I found a motor for $425 with 45k on it from a 2012 mazda 6 (vin H, 8 digit) not sure what this applies to?

the car has a 2.3 in it now will this work? what you guys think?
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post #9 of 11 (permalink) Old 01-28-2018, 06:40 PM
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Quote:
Originally Posted by Notch 8 View Post
I found a motor for $425 with 45k on it from a 2012 mazda 6 (vin H, 8 digit) not sure what this applies to?

the car has a 2.3 in it now will this work? what you guys think?
Guys like ifixthings and madmatt probably know what will work here. I have no familiarity with a Mazda6. When I search for the same engines as you, I see VIN H and VIN A for the 8th digit, but don't know how to decipher this. Not sure why the Mazda VIN information isn't as easy to look up as Ford.

If you don't get any feedback you can always send them a PM (private message).
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post #10 of 11 (permalink) Old 02-01-2018, 06:38 AM
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Hi Mr Datsun 1600,

Thanks for the reply , not much time to go into detail but my Mazda 3 Neo sport BK 2008 has the balance shafts and V.C.T, but as you say the head is probably shorter so that would cause problems.

I went to the wreckers the other day in search of a Mazda 2.5 L ( called a SP 2.5 here) and the guy I spoke to said that the swap from 2.0 to 2.5 was virtually impossible . He said that the bell housings were different that ECU's were incompatible , axles don't fit etc etc. He said that he had been involved in such a swap and it was a "nightmare".
had
With the exception of the 2.0 l shorter head issue I still thought the swap was doable using timing cover and oil pan from the 2.3. Are there any Aussies in this forum who have done this swap or know if it has been done in OZ?

Thanks,

Gez.
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