My 2007 Mazdaspeed3 dyno!

justanotheradikt said:
test drove one tuesday.... it has torque steer...pretty bad IMO, i could deal with it but it kinda upset me how much was there. right after i drove a ms6, now THAT is a beauty. so smooth. i love that car.
I don't really know what to compare the torque steer to, as I've never driven a FWD car with this much torque or HP before. I do know that it's a bit unpredictable when the torque steer will occur. I usually get some wheelspin and TS when accelerating a bit too early out of a 90 degree turn...it's easily correctible, so far.
 
nondual said:
I don't really know what to compare the torque steer to, as I've never driven a FWD car with this much torque or HP before. I do know that it's a bit unpredictable when the torque steer will occur. I usually get some wheelspin and TS when accelerating a bit too early out of a 90 degree turn...it's easily correctible, so far.

I traded in an MSP that was modified quite a bit for the MS3. I had never dynoed my MSP, but judging by numbers that forum members with similarly modified MSPs ran, I figured that it was sitting at about 200-210HP. The MSP was a torque-steer monster. If you hit it while you weren't really paying attention, the steering wheel would almost be ripped out of your hand. Once you were used to it though, it was just a quirk that made the MSP interesting to drive.

As the MS3 hasn't been broken in yet, I haven't really had a chance to assess it too much. Not to mention the fact that it rained for 6 hours straight when I drove it home and again all week. However, in the few dry moments when I have been driving it, I found the torque steer to be noticeable, but not as bad as the MSP for sure. The added HP available in the MS3 is more likely to spin the tires than jerk the wheel out of your hands like the MSP did. I have been wondering what this car will be like with stickier rubber...but whatever it is like, I doubt that the torque steer will be unmanageable.

R
 
Rainman said:
I traded in an MSP that was modified quite a bit for the MS3. I had never dynoed my MSP, but judging by numbers that forum members with similarly modified MSPs ran, I figured that it was sitting at about 200-210HP. The MSP was a torque-steer monster. If you hit it while you weren't really paying attention, the steering wheel would almost be ripped out of your hand. Once you were used to it though, it was just a quirk that made the MSP interesting to drive.

As the MS3 hasn't been broken in yet, I haven't really had a chance to assess it too much. Not to mention the fact that it rained for 6 hours straight when I drove it home and again all week. However, in the few dry moments when I have been driving it, I found the torque steer to be noticeable, but not as bad as the MSP for sure. The added HP available in the MS3 is more likely to spin the tires than jerk the wheel out of your hands like the MSP did. I have been wondering what this car will be like with stickier rubber...but whatever it is like, I doubt that the torque steer will be unmanageable.

R
I remember when yo u got your MSP6 it was raining every day then too. Congrats on the MSP3
 
MS6S2K said:
The SRT was intentionally underrated. If those numbers were real and accurate, that would = goodnight EVO and STi from a roll. I formerly owned an STI, and that car dynos on average 240whp and 250 torque. Lets just say that my former STI would run rings around my current Speed 6. In fact, it's not even close. I've seen several 220-225whp dynos on the Speed 3 so far, and most Speed 6s are in the 220-230whp range. This is definitely inaccurate, or the car is modified. If the Speed 6 was putting out these numbers or close to the whp number on average, it would be running into the 13s without a problem. The engine is definitely capable of this, and the torque is definitely there, but the HP in most of these vehicles is lacking. The tuning just isn't quite right as of now. :)

Um... but many Speed6 owners ARE doing high 13's bone stock or nearly bone stock. I posted a thread on the other Mazda forum with a couple videos I came across. I've also seen many on youtube and streetfire (MANY on streetfire)... just run a search yourself and see.
 
MS6S2K said:
T.... I've seen several 220-225whp dynos on the Speed 3 so far, ...:)

A little time has gone by but I just noticed this. How many dynos have you seen on the car and can you share them with us? So far I've nothing but the low (2@216 hp) and the high (1@241, 1@242, and this bizarro one). The ones you've seen seem in a more normal range. What kind of dyno machines were the ones you've seen done on, etc. I'm trying to keep a rough track of these things.
 
Oz owner with 50 mph fan and "bonnet" closed. Running synth in the engine and trannie, but no mods:
zzzoomdyno.jpg


Official Mazda MSP3 dyno:
dyno-ms3.jpg


Another Oz owner, hood closed, no mods:
krnagetha2.jpg
 
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Nice to see another dyno. Although the original pulls that I made indicated close to 260whp. Having gone back a couple times since (owner of the dyno says calibration may have been off when I first went) we've been seeing closer to this number which is around 240whp. These are still quite impressive numbers! Man I love this car, and can't wait to let the modding begin. On a slightly unrelated note, I completely walked away from a lightly modded 3rd gen RX-7 and a turbo'd civic hatch last night on a couple freeway pulls. (glare)
 
Refonbass said:
Nice to see another dyno. Although the original pulls that I made indicated close to 260whp. Having gone back a couple times since (owner of the dyno says calibration may have been off when I first went) we've been seeing closer to this number which is around 240whp. These are still quite impressive numbers! Man I love this car, and can't wait to let the modding begin. On a slightly unrelated note, I completely walked away from a lightly modded 3rd gen RX-7 and a turbo'd civic hatch last night on a couple freeway pulls. (glare)

Hey, thanks for updating. Please post so we can see the curve, torque etc. and add your results to the collection.
 
Refonbass said:
Nice to see another dyno. Although the original pulls that I made indicated close to 260whp. Having gone back a couple times since (owner of the dyno says calibration may have been off when I first went) we've been seeing closer to this number which is around 240whp. These are still quite impressive numbers! Man I love this car, and can't wait to let the modding begin. On a slightly unrelated note, I completely walked away from a lightly modded 3rd gen RX-7 and a turbo'd civic hatch last night on a couple freeway pulls. (glare)

I think the RX-7 driver didn't care to race you... The 3rd gens dyno 220whp, weigh 2800 lbs and run mid 13's stock. Lightly modding it can take it into the 12's easily. I know, I own one.

Post the new dynos! I'm thinking about the MS3 for my daily driver... :)
 
These dynos numbers are all over the place. IMO good tuning should be consistent tuning as well. That's what production quality is all about
 
ken has a before and after dyno of an MS3 on protegegarage for his top mount interooler. also a lot lower that this. and still lower even after the upgrade. so that is another reason to think this dyno is not real.
 
matsuda said:
The posted dyno results are absolute nonsense. Why???

A dyno measures torque and the torque curve is completely wrong. Mazda quotes peak torque @ 3000 RPM. On the posted dyno graph, the torque is very low at 3000. In fact, it is much, much lower than the Automobile dyno, which correctly has the peak torque at ~3000 RPM's.

Numbers may change with different cars, dynos, temperatures, etc. but the shape of the torque curve should be fairly constant. Sorry folks, this one isn't even close.
Not trying to bring s*** back up, but thank you, this is so right. Sorry but fluctuations don't occur to the variable that is being displayed. I will agree that depending on temperature, car, and other factors, that dynos will produce different numbers, but most proffesional dynos all work under close parameters that will keep numbers quite similar and to produce numbers like that with a stock sp3 whether there interchanged or not is highly unlikely, otherwise yes that torque curve is ****** up. That looks like something my integra with 13+:1 compression would produce, not a turboed 4. But I still love my MS3 so kudos to those other lucky owners out there, hopefully with a couple of mods we'll be pushing that to the ground.
 
Also in case yous haven't noticed it says the max hp is 259.9 acording to the graph i'm going to assume, if you look closely the graph is almost hitting 300 on the supposed hp numbers. Same with the torque:bs:
 
WTF MATE said:
Not trying to bring s*** back up, but thank you, this is so right. Sorry but fluctuations don't occur to the variable that is being displayed. I will agree that depending on temperature, car, and other factors, that dynos will produce different numbers, but most proffesional dynos all work under close parameters that will keep numbers quite similar and to produce numbers like that with a stock sp3 whether there interchanged or not is highly unlikely, otherwise yes that torque curve is ****** up. That looks like something my integra with 13+:1 compression would produce, not a turboed 4. But I still love my MS3 so kudos to those other lucky owners out there, hopefully with a couple of mods we'll be pushing that to the ground.

He already said he talked to the dyno shop again and they said the dyno was miscalibrated. Still waiting for him to post the follow up dynos which he say were in the 240 range. Cobb's dyno came in at 212, so this 240 stuff is just flukey, and just proves what people have been saying about ignoring the absolute numbers and just looking to the changes post-mod. I'm looking forward to seeing what Cobb can do. I don't know as I really want to change either intake or exhaust, so it'd be nice to get another 25-30hp out of ECU changes.
 
SeanMSIII said:
He already said he talked to the dyno shop again and they said the dyno was miscalibrated. Still waiting for him to post the follow up dynos which he say were in the 240 range. Cobb's dyno came in at 212, so this 240 stuff is just flukey, and just proves what people have been saying about ignoring the absolute numbers and just looking to the changes post-mod. I'm looking forward to seeing what Cobb can do. I don't know as I really want to change either intake or exhaust, so it'd be nice to get another 25-30hp out of ECU changes.
I still don't understand how the graph doesn't match the numbers listed. Any ways This is the first Mazda for me, driven rx7s but thats about it so i'm trying to get as much info as possible on tuning upgrades also how this motor is affected by them. I can't wait to get more power out of this thing. Not saying the car is slow but by no means at all is it quick or fast. But I will say it definetly has potential.
 

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