Here is another blown motor
- Thread starter Mspeedchica3.5
- Start date
I have no pitty
all of the original forced induction guys said before, dont go above 8psi, nobody listened and now look what is hapening to these engines
The MSP is just a protege with a fancy suspension and a crappy turbo kit, it will act and behave just like any other turboed protege, only difference is that the ecu has differect fuel and timing maps, but they still suck for boost, if you guys want to run 14psi buy the forged internals and the low compression pistons from the get go
all of the original forced induction guys said before, dont go above 8psi, nobody listened and now look what is hapening to these engines
The MSP is just a protege with a fancy suspension and a crappy turbo kit, it will act and behave just like any other turboed protege, only difference is that the ecu has differect fuel and timing maps, but they still suck for boost, if you guys want to run 14psi buy the forged internals and the low compression pistons from the get go
oh
just another thing, harmonic balancers dont do very much on 4 cylinder engines, so using a UDP wouldnt have caused a problem unless mazda built these engines realy realy bad and out of ballance to begin with
harmonic balancers do more for a V8 then these cars, I would be willing to bet you could run the car fine without it (provided you have an electric water pump and have some other type of alternator)
just another thing, harmonic balancers dont do very much on 4 cylinder engines, so using a UDP wouldnt have caused a problem unless mazda built these engines realy realy bad and out of ballance to begin with
harmonic balancers do more for a V8 then these cars, I would be willing to bet you could run the car fine without it (provided you have an electric water pump and have some other type of alternator)
Aricjm15 said:
There are many people here that are running up to 12psi and some even further than that although I would never venture that far not even to 12. I for one simply believe some mods are better left alone and have contributing factors when something like this goes wrong. FPR and FCD kits were used in that car. Although it was stated the boost was steady how 100% sure can you be? I think up to 10psi should be fine with the MSP as it is and with proper tuning you can have 100% piece of mind at 10,12. What do you think?
just another note to people blaming the UDP
the oil pump its driven DIRECTLY off the crank, I know this from when my brother and I took apart his blown engine, so the oil pump is not getting the reduction in speed, the water pump, alternator, powersteering pump, and AC compressor are the ONLY things affected by the UDP, NOT THE OIL PUMP
yes 10psi would be grand with proper engine management, but because of the ECU it has to be standalone
the oil pump its driven DIRECTLY off the crank, I know this from when my brother and I took apart his blown engine, so the oil pump is not getting the reduction in speed, the water pump, alternator, powersteering pump, and AC compressor are the ONLY things affected by the UDP, NOT THE OIL PUMP
yes 10psi would be grand with proper engine management, but because of the ECU it has to be standalone
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- 2002 BJFW, 2007 BK3P, 1979 SA22C, 2005 BK3P
instylz said:
It has more to do with fuel and timing control than it will ever have to do with rods and pistons. HiBoost has run VERY high numbers on stock internals and reliably so. How? Because he has * ding ding ding * engine management. Granted, if you want to run REAL REAL REAL high numbers, having both management and forged internals will be a must. I've been told that a T3 set to 12 psi on stock internals on this car is FINE - as long as you have fuel and timing control.
So what then you ask, is the problem? Engine management takes time. Alot of it, and a really plug and play and simple system is still pretty far off for every situation. Engine management takes money. Alot of money, easily over a grand. Save your pennies and have some patience for the real thing or deal with the greater risk and don't blame anyone else if something goes wrong.
You say proper tuning, and I agree. Fuel Cut Defenders and Pressure Reducers are NOT proper tuning. FMICs, hard pipes, and all that jazz won't get around the fact that this car needs engine management.
oh boy... here we go again... why don't you search on miata.net and see how many people have blown turbo'd BPs after oil pump failures because they had a UDP?
the UDP doesn't have a harmonic balancer.. the increased harmonics caused by the UDP increases oil pump wear and eventually leading to failure... the torsional and axial forces caused by a boosted engine is very different and much more than a NA engine... thus these forces/vibrations, being transmitted from the crank also affects the oil pump... people who have UDPs don't see problems because they have a NA engine and thus never see those stresses a boosted engine encounters... don't ask me why this s*** happens, I'm not an engineer... but DO think of WHY the harmonic balancer was put there in the first place
the UDP doesn't have a harmonic balancer.. the increased harmonics caused by the UDP increases oil pump wear and eventually leading to failure... the torsional and axial forces caused by a boosted engine is very different and much more than a NA engine... thus these forces/vibrations, being transmitted from the crank also affects the oil pump... people who have UDPs don't see problems because they have a NA engine and thus never see those stresses a boosted engine encounters... don't ask me why this s*** happens, I'm not an engineer... but DO think of WHY the harmonic balancer was put there in the first place
Aricjm15 said:
as long as the oil pump is spining it is pumping oil correct? the oil pump should not see that much force on it because it is not supporting the crank itself
and the drive pully and the harmonic balacner are the same thing on most 4cyl engines
the stock pully on most cars is around 15lbs, most UDPs are 7-10lbs, so you would stilly get the same effect just not as great
I see it as this, his oil light came on because his engine was ****** and not running or he had blown his oil out of the engine
I say it was to much boost and that he was trying to show off with 4 people in the car
and the drive pully and the harmonic balacner are the same thing on most 4cyl engines
the stock pully on most cars is around 15lbs, most UDPs are 7-10lbs, so you would stilly get the same effect just not as great
I see it as this, his oil light came on because his engine was ****** and not running or he had blown his oil out of the engine
I say it was to much boost and that he was trying to show off with 4 people in the car
She's a chick hence the name mazdaspeed chicka...
That sucks it happened, but why on earth would you do the dealer a favor like that unless they gave you some kinda reimbursement? I'd ask the sales dept to make them fix ur car under warranty cuz of that s*** cuz you did sell them a car.
That sucks it happened, but why on earth would you do the dealer a favor like that unless they gave you some kinda reimbursement? I'd ask the sales dept to make them fix ur car under warranty cuz of that s*** cuz you did sell them a car.
The mazda motors is balanced at 0 not need harmonic balance in the UDP or in the Flywheel
mi car have UDP for more than 15,000miles without any problem
my other protege with bp motor run with UDP and aluminum flywheel for more than 150,000 miles without any problem.
in this case is the FCD and the FPR because this car at 4000 rpm is afr is lean with the FPR is a boom
in the stock boost the peak is at 4000 7.4psi and at 5000 6.4psi at 6500 is 5.5 psi
the boost Down when the RPM up and the afr UP because this engine is not designed by high boost at high rpms. read the turbo magazine FMIC in the MSP.
1239/2000PR
mi car have UDP for more than 15,000miles without any problem
my other protege with bp motor run with UDP and aluminum flywheel for more than 150,000 miles without any problem.
in this case is the FCD and the FPR because this car at 4000 rpm is afr is lean with the FPR is a boom
in the stock boost the peak is at 4000 7.4psi and at 5000 6.4psi at 6500 is 5.5 psi
the boost Down when the RPM up and the afr UP because this engine is not designed by high boost at high rpms. read the turbo magazine FMIC in the MSP.
1239/2000PR
MSpeed said:
I know I might get flamed by the immature kids on this board by saying this, but this person blew the engine for increasing the boost and addind other mods to the car, so why should Mazda have to pay for it? If you want to play, you have to pay!!
Besides, now you can buy a bullet proof bottom end that can handle 30 psi.
rocketspeed
Member
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- 03.5 Mazdaspeed Protege, Titanium Gray
Mazda has been known to read these boards, so you might have a tough time trying to warranty it anywhere.
funnylittlman
Member
- :
- Protege
Probably getting other estimates and finding a used FS-DE
SpicyMSP said:
Becuase the car was not ment to boost to the level people are putting it too. There is no fuel or proper timing curves in the ECU to support it.
Most people will hopefully remember those that warned against raising the boost on an MSP to even 10 PSI. Several of us made it very clear that it was not a good idea but then 20 others would comment that they have been fine doing it. We replied with its simpy a matter of time. THat time for her was now. Others' time will come aswell.
