[O4mike]

So I had my car ran on a dyno just to see how much power my car puts out.
So the car was on a dyno super loud tons of people came over to see when the dyno number pop up the screen I was embarrassed
365whp. The guy said I should be around 440-460whp. I guess one of my o2 is bad so that's why I ran lower power?

 

[Glumpy3]

Well, if theres no check engine lights I would guess you need to get some health checks done, compression and leakdown test. miles?

 

[white out]

All dyno's have variances. I wouldn't expect an '04 (490hp) to put down 440-460whp without significant mods or a very generous dyno.

 

[iownedu]

Fo a compression check dry and then with oil squirted in the cylinder. Some blow-by is "normal" on the pre-LP.

That said, I'd expect 390-400whp from a stock one.

 

[O4mike]

I have 36k their was no check light but they ran a scan on it showing o2

 

[O4mike]

As soon as my maintenance is done I will run it again on the dyno hopefully I can gain more power.
Fabspeed ecu- catdelete- intake - Exhaust
I already have

 

[CFI Designs]

ive dynod a few pre Lps and they range 360-380.

 

[O4mike]

You would think they would be higher.
They are really just art on wheels

 

[O4mike]

All dyno's have variances. I wouldn't expect an '04 (490hp) to put down 440-460whp without significant mods or a very generous dyno.

That's the weird thing I do have mods exhaust and intake and ecu tune from fabspeed and cat delete.

 

[Jinster]

That's the weird thing I do have mods exhaust and intake and ecu tune from fabspeed and cat delete.

I am not sure if any of those adds meaningful power. The car is naturally aspirated.

The dyno figure sounds about right to me.

 

[sgfreak96]

Sadly I think that’s right. I’ve seen a few others right around that mark. 490ish crank gets beaten down pretty hard by the AWD system. If you do a RWD conversion that 365whp will jump to probably 410-420whp. The good news is the car is light so power to weight wise, 365awhp is honestly pretty substantial. Not a rocket but you get the point lol.


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[O4mike]

Sadly I think that’s right. I’ve seen a few others right around that mark. 490ish crank gets beaten down pretty hard by the AWD system. If you do a RWD conversion that 365whp will jump to probably 410-420whp. The good news is the car is light so power to weight wise, 365awhp is honestly pretty substantial. Not a rocket but you get the point lol.


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I do have rwd conversion