More cai concerns

[Sacrilicious]

Nice posting. Some people seem so anti CAI cause they have SRI. It is getting ridiculous! CAI has been proven many times to be the best hp gainer over the 2. Hope more people realise this. Not to say the SRI is not worth getting. It definately has some benefits over CAI, but for overall gains the CAI is by far the best way to go.

honestly, these charts say absolutely nothing about how a SRI would compare with the CAI. the best way to find out is to simply convert the car that had a CAI into a SRI by taking off the piping into the fender and re-running the test. as long as there's a fan blowing into the front grille, i'm willing to bet that you're not going to see a large difference between the two.

 

[desperado-c]

We did a Mazda Dyno Day on Saturday. There were 2 stock MS3's and 1 with MS CAI, 1 with MS CAI / TurboXS Test Pipe, 1 With ECU / CP-E CAI / CP-E Exhaust.

The Stock MS3's adveraged 208-210 HP, the CAI ran 230HP, the CAI/RP Ran 229, the ECU ran 229 with ECU off, 247 with ECU on.

Please keep in mind that this was on a Mustang Dyno and the one we ran on was an AWD version (Not sure if all Mustangs are) and known as the heartbreaker! Hoods were down and I think they had frontal fans on. No cheating with hoods up or dry ice on the IC's.

So the moral of all this text is that the CAI will net you close to 20hp Dyno proven once again. Your butt dyno is off is all

230 hp on a Mustang is pretty nice. I know at least one MS6 came in under 200 hp stock on one. Was there a correction factor applied? Also, really nice output for the CP-E CAI/Exhaust with ECU. CBE or TBE? And, last but definitely not least, what kind of ECU management?

 

[Sacrilicious]

230 hp on a Mustang is pretty nice. I know at least one MS6 came in under 200 hp stock on one.

+1

you're definitely sitting damn pretty with 230 on a mustang dyno with just a CAI...

 

[cosmic_spd3]

The Stock MS3's adveraged 208-210 HP, the CAI ran 230HP, the CAI/RP Ran 229, the ECU ran 229 with ECU off, 247 with ECU on.

Am curious as to where these #'s came from..u telling me the stock MSP3 comes with only 208-210hp..
what happen to the 263hp..??

 

[Vengure]

The Stock MS3's adveraged 208-210 HP, the CAI ran 230HP, the CAI/RP Ran 229, the ECU ran 229 with ECU off, 247 with ECU on.

Am curious as to where these #'s came from..u telling me the stock MSP3 comes with only 208-210hp..
what happen to the 263hp..??

Depends on Dyno's and testing conditions certain dyno's are more accurate then others. As far as CAI vs SRI I think the both work well I'm just gonna go with the MS CAI b/c it has to be warrantied by the MFG. If I had to choose somthin other then the MS CAI I'd prolly grab up the HKS intake.

 

[Dream]

263hp is CRANK hp. I acually would say these cars might be alittle under rated from the factory....

 

[Sacrilicious]

Am curious as to where these #'s came from..u telling me the stock MSP3 comes with only 208-210hp..
what happen to the 263hp..??

the manufacturer always quotes what the engine's peak hp is at the crankshaft, whereas the dyno chart you see here is measuring how much is actually put down to the ground. the car may have started with 263hp at the crank, but it loses a good amount of power due to friction in the powertrain, inefficiencies in the transmission, and power sapped rotating the wheels+tires.

also, as vengure mentioned, different dyno types give different numbers. dynos are not perfect, so certain types will inflate the numbers based on how they calculate hp/torque whereas others will deflate them. the best you can get from dyno runs is to average the results you get and see what kind of differences you made in your power from a before and after set of runs.

 

[cosmic_spd3]

Ok..so those #'s are at the wheel???
well right now i love the feel of my speed 3's, power especially from 3rd gear up..and i actually just ordered the cobb SRI..so i'll see if it feels any different after installing....am not really doing much on this car for now..am actaully enjoying it stock..

 

[Vengure]

Ok..so those #'s are at the wheel???
well right now i love the feel of my speed 3's, power especially from 3rd gear up..and i actually just ordered the cobb SRI..so i'll see if it feels any different after installing....am not really doing much on this car for now..am actaully enjoying it stock..

You probably will love it even more once you turn off TCS for 1st and 2nd although you should be careful since you'll eat tires up like no tomorrow. 1st and 2nd are limited in turbo boost for added traction control. The SRI should make a noticeable diff.

 

[cosmic_spd3]

You know i've never turn off the TCS..bUt i guess i'll test it with it off..right now my first and second gear when i punch it just light the tires or makes a sound like the motor wants to jump out the car..lolll
Anyway with both intakes it seems like the difference in power or gain is coming from where the filter is located..make sense or no??
MS CAI IS RATED FOR A 15-20HP GAIN..AND
COBB SRI IS RATED FOR 11-16HP GAIN..

 

[Bravnik]

not to try to spoil the mood, but are you saying that you compared stock vs CAI numbers based on dyno charts from different cars?

Yah they were on different cars but the stock MS3's dynoed basically the same. There was only one with just a CAI and 2 with CAI and Exchaust work.

The CAI MS3 ran 230 while both mine (CAI / TurboXS RP and udontknowjack's CPE SB, CPE-CAI, CPE-TBE) both ran 229 (him with his SB Turned off). With his SB turned on he hit 247 and like 263+ TQ.

Now what was the differance in the cars numbers and why, we don't know. It would seem that the CAI alone gives 20+ HP as previously reported by other peoples dyno's. But it would also seem that a Test Pipe would give more HP than just a CAI, but that was not the case.

I'm happy with my numbers, specially on a Mustang Dyno. I now have a baseline to gage by. I wished I would have had one with just the CAI but I just couldn't wait

My next mod will be MBC/BCD sometime in the next few weeks and I will dyno again to see what I hit.

 

[Betelgeuse]

Another thing to consider is many people quote peak horsepower, so without actually seeing the dyno and how much is being made at what rpms, we're really only seeing half the picture. I know the dynos I've seen of the COBB SRI show more torque lower in the power band than the ms CAI which would explain why the low end seems better.


Here are two dynos, one from cobb and one from a member:

http://www.cobbforums.com/forums/images/DaveCOBBDyno1.JPG


http://w w w. m a z d a 3 f o r u m s . com/index.php?topic=93932.0

Both dynos show peak torque just above 3k rpms. The CAI dynos I've seen tend to make the most torque a little higher (closer to 3.5k rpms). Of course there are exceptions but those cars had other mods as well. And all the CAIs are not exactly the same so that does complicate things a bit. I'm mostly referring the most common CAI which seems to be the MS.

 

[J.Scott]

See graph attached. Power and torque are higher than stock at a lower RPM.


I believe this is a fuel pressure issue. My fuel graphs show an initial drop in pressure to 400psi when I first punch it, then it climbs up to ~1700-1800 psi.


The car does pull harder at lower RPMS (See Dyno comparison), but it also pulls even harder at high RPMS.


No.


Yes. I went back to stock to Dyno the car in the "before" configuration. I was glad to get the CAI back on a few days later.


Solution is to go dyno it for yourself, then afterwards take off the CAI and dyno it again. If you still feel like the gains are not what you expect, put the CAI on ebay and stay in the stock config!

Thanks for the excellent reply- sorry didi not see it sooner
you know xmaas and all
Scott

 

[D_Roc7822]

the way I understand hydolocking is that you have to be sitting in a puddle of water pretty high off the ground for the intake to be submerged in it for your engine to hydrolock. And even then..you would have to let your foot off the gas while in the puddle for a bunch of water to get into the engine. I think a lot of people get confused with the definition of hydrolock.

 

[2ManyCars]

the way I understand hydolocking is that you have to be sitting in a puddle of water pretty high off the ground for the intake to be submerged in it for your engine to hydrolock. And even then..you would have to let your foot off the gas while in the puddle for a bunch of water to get into the engine. I think a lot of people get confused with the definition of hydrolock.

Yea, from what I can tell a puddle about 8 - 10" deep. Not likely where I live...

 

[Ryz]

255 on a mustang awd with my mods, horrible airflow though. If you don't want to hydrolock keep away from water up to the middle of your doors and you'll be fine. Of if you find yourself in a large "puddle" don't freakin floor it.