Does this look right? (dyno)

tjhynes12

Member
:
Mazda Protege LX
I thought for sure the engine would be making more power then this, at least 105 hp:


2002 Mazda Protege 2.0 LX
Mods: COSMO CAI, MSP axle back exhaust
 

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that looks about right... im assuming your automatic too?

intake and axleback wont yield any sort of gains on this engine.
 
The axle back will get you very little in terms of power unless you've changed headers... that's where the big restriction in the stock set-up is. Intakes could go either way... you have to make sure your MAF is comfortable with your intake.

Looks about right... possibly had some cobwebs to shake loose on the first two runs.
 
Easy way to find out what's wrong... swap your stock intake back in and do the run again.

We've found that you can lose power with poor CAI fitment... anything that messes with the airflow around the MAF is bad for power (up to 5 hp on the dyno, given the same airfilter, depending on pipe shape and filter placement)

Otherwise, it's time to start checking your sensors. A crank position sensor or cam position sensor problem, for example, will not manifest in regular driving, but will show up as a 7-10 hp drop on the dyno.
 

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