Mazda 3 Engine Strength

[9JordonFlex9]

I believe that the Mazda engine(sorry dont know tech name) both the 2.0 and 2.3L, are strong. Just wondering, any need to worry about any problems with engine? So when I turbo it about a year after I get it...I don't have to worry about engine problems from the stock engine...thanks.

 

[Captain KRM P5]

i would not go above 7psi on the stock engine internals. if all you plan on doing is running lower boost then yes you should be fine. anything more than that i'd upgrade.

 

[9JordonFlex9]

well lets put turbo aside...anyone have any problems with engine stock? who had it for 1 year? 2 years?

 

[mazda3zoom]

well lets put turbo aside...anyone have any problems with engine stock? who had it for 1 year? 2 years?

i blew my engine at 51,000 miles, but i dont think it was any sort of manufacturer defect.

 

[ZoomVT]

nope it was a driver defect.

 

[goldwing2000]

nope it was a driver defect.

Nope, it was a "have your buddy do your oil change" defect.

At least that's my opinion.

 

[AzMz3]

i would not go above 7psi on the stock engine internals. if all you plan on doing is running lower boost then yes you should be fine. anything more than that i'd upgrade.

There are quite a few running higher than 7psi on stock internals.

 

[Captain KRM P5]

There are quite a few running higher than 7psi on stock internals.

we have ran a supercharger on a much better built GM six cylinder at higher levels of boost for a few passes. it held up for a while, but eventually blew. also ran 22 psi on an old chrysler 2.2 with no intercooler and it held together for half a year.

point being, yes i know they are doing so currently, i do not feel that engine longevity is helped at all by doing this. plenty of people have run 15psi on stock mazdaspeeds for a while but still blew their engines far sooner than a built up motor would. i have seen the rods and pistons from these new mazda engines and nothing about them leads me to think they are any stronger, proportionally speaking, than any mazda rod made after 1997. running very high boost on stock engines is a gamble and nearly guaranteed to break something sooner rather than later. i know of two mazda3 owners who have blown a boosted engine and contacted me for parts.

 

[AzMz3]

we have ran a supercharger on a much better built GM six cylinder at higher levels of boost for a few passes. it held up for a while, but eventually blew. also ran 22 psi on an old chrysler 2.2 with no intercooler and it held together for half a year.

point being, yes i know they are doing so currently, i do not feel that engine longevity is helped at all by doing this. plenty of people have run 15psi on stock mazdaspeeds for a while but still blew their engines far sooner than a built up motor would. i have seen the rods and pistons from these new mazda engines and nothing about them leads me to think they are any stronger, proportionally speaking, than any mazda rod made after 1997. running very high boost on stock engines is a gamble and nearly guaranteed to break something sooner rather than later. i know of two mazda3 owners who have blown a boosted engine and contacted me for parts.

And so far all that is unrelated and just speculation!

 

[goldwing2000]

And so far all that is unrelated and just speculation!

The statement "i know of two mazda3 owners who have blown a boosted engine and contacted me for parts" is "unrelated" and "speculation"? (scratch)

 

[ghettobubba2001]

And so far all that is unrelated and just speculation!

and the comment of your post is so ungodly pointless you should go jump off a cliff (hah)




























im only kidding.

 

[goldwing2000]

and the comment of your post is so ungodly pointless you should go jump off a cliff (hah)

im only kidding.

Easy, there. Kidding or not, we don't need that kind of stuff. It just breeds bad feelings.

 

[tsunami]

yeah one of them was in pourto rico... and he said he was well beyond the 12psi that juan told him not to go over... lol, the other blown boosted motor i haven't heard of...only one having non engine issues just a clutch iirc....

 

[9JordonFlex9]

since blowing engines is a point now...i feel stock engines...runnin on nothing but naturally inspired engine lasts....

wellwhats his name with the long post bout turbos...have people been able to keep their engines for a few years with daily driving? I would upgrade internals....just because its smart.

 

[03MzdSpdSTP]

my civics engine lasted about 10k miles before the piston seals and head gasket went. Those engines are alot stronger then mazdas for sure.

 

[AzMz3]

The statement "i know of two mazda3 owners who have blown a boosted engine and contacted me for parts" is "unrelated" and "speculation"? (scratch)

I seen that!

Speculation as there are factors to blowning an engine.

Saying that the 2 that blown were running good tunes is "Speculation"!

You could blown an enigne on 4psi...doesn't mean that is the limit!

And you do know that the 2.0L will be more than 7psi!

(poke)

And the GM stuff is unrelated and has no barring here at all! (hah)

 

[goldwing2000]

And the GM stuff is unrelated and has no barring here at all! (hah)

Well, almost anything about forced induction could be considered "related", even as just an example of something to compare to. It never hurts to have knowledge of more than one system.

For instance, this is what happens when you boost 100psi into a Cummins diesel engine:

(boom07)

Not a Mazda but definitely food for thought and something to be avoided at all costs!

Notice that it's the block that cracked in half the long way and not the head that let go. (boom06)

 

[Captain KRM P5]

I seen that!

Speculation as there are factors to blowning an engine.

Saying that the 2 that blown were running good tunes is "Speculation"!

You could blown an enigne on 4psi...doesn't mean that is the limit!

And you do know that the 2.0L will be more than 7psi!

(poke)

And the GM stuff is unrelated and has no barring here at all! (hah)

your statements here are more speculation than anything anyone else, myself included, has said in this thread. as for the GM stuff having "no barring" thats so far out of tune with reality i don't need to explain why.

And so far all that is unrelated and just speculation!

unless you know more about forced induction than i do, you are dead wrong

yeah one of them was in pourto rico... and he said he was well beyond the 12psi that juan told him not to go over... lol, the other blown boosted motor i haven't heard of...only one having non engine issues just a clutch iirc....

this makes three then that i know of, thank you for proving a point

Az, I see you are running a turbo kit on your mazda3. i have been in this business for some time and been dealing with mazda engines and parts for a good long while. i have seen the guts and glory of the mazda3 engines, both of them. can they handle boost? sure they can, just like any four cylinder engine. can they handle extreme amounts without comparable upgrades to accompany that? no i firmly feel they cannot. they may last six months to a year, perhaps a little more. longevitywise, its not going to happen, sorry. I've been through this argument with protege owners, msp owners and been proven right more times than i need to admit to. I have more than a few engineers and Mazda master techs who will back me up on this for the 3.

of course there are going to be "factory freaks" when it comes to any car. i have an msp customer who used to live in chicago who ran 15psi with zero mods. Nothing but a boost controller, and the car held up fine until it was stolen. I also have a customer who lost his engine on stock boost.

If you want to have a technical debate, I'll be more than happy to go toe to toe with you on that. But to spread the notion to others that this engine can handle higher boost on stock internals is bad information, wrong information and will lead to blown engines.

 

[AzMz3]

your statements here are more speculation than anything anyone else, myself included, has said in this thread. as for the GM stuff having "no barring" thats so far out of tune with reality i don't need to explain why.



unless you know more about forced induction than i do, you are dead wrong



this makes three then that i know of, thank you for proving a point

Az, I see you are running a turbo kit on your mazda3. i have been in this business for some time and been dealing with mazda engines and parts for a good long while. i have seen the guts and glory of the mazda3 engines, both of them. can they handle boost? sure they can, just like any four cylinder engine. can they handle extreme amounts without comparable upgrades to accompany that? no i firmly feel they cannot. they may last six months to a year, perhaps a little more. longevitywise, its not going to happen, sorry. I've been through this argument with protege owners, msp owners and been proven right more times than i need to admit to. I have more than a few engineers and Mazda master techs who will back me up on this for the 3.

of course there are going to be "factory freaks" when it comes to any car. i have an msp customer who used to live in chicago who ran 15psi with zero mods. Nothing but a boost controller, and the car held up fine until it was stolen. I also have a customer who lost his engine on stock boost.

If you want to have a technical debate, I'll be more than happy to go toe to toe with you on that. But to spread the notion to others that this engine can handle higher boost on stock internals is bad information, wrong information and will lead to blown engines.

You are doing no different from me. I'm running 10-12psi daily. No problems.
To you 7psi limit is your opinion!
Handling 10psi daily is mine!

What anyone can do with a GM has nothing to do with this post at all.

Doesn't matter how many years you have doing what...there is no science to determine what psi is safe for longevity!

Agree to disagree..as this is a pointless issue! (poke)

But I still find it hard to argue when you don't know the current tune on these cars that blown!

So far on the net there was one that blown and it was a tuning issue!

 

[Captain KRM P5]

You are doing no different from me. I'm running 10-12psi daily. No problems.
To you 7psi limit is your opinion!
Handling 10psi daily is mine!

What anyone can do with a GM has nothing to do with this post at all.

Doesn't matter how many years you have doing what...there is no science to determine what psi is safe for longevity!

so incoherent and dangerously incorrect in every sense of the word. how long have you been running 10 to 12 psi? not long enough to change it in your sig at the very least. give it time. increased boost = increased wear. if you are looking for science that is basic enough science right there. if what was done on previous vehicles or what i had done in the past had no bearing, it would make the science of engineering things better from prior acquired knowledge impossible. this is why car companies like GM and dodge put forged internals in thier engines on higher horsepower or boosted applications and why those engines hold up. mazda does not do that and has not done that since the mid 90s thanks to cost savings. count the number of SRT engines that blow at higher boost compared to mazda engine of the same vehicle class. but then i suppose you will tell me that none of the engineering that went into those cars matters because its not a mazda3? just as the other people who are running these cars and have blown them up on less boost than what you are running is speculation. what you call pointless speculation i call proof by virtue of repetition. a year to a year and a half from now, if you are running 12 daily without a problem, please let me know. you may be that factory freak case, and with your methodolgy of modifications i hope for your sake you are.