So I threw the car on Komet Motorsport's Mustang Dyno to see if my shift points are correct and it put down some decent numbers for the tiny stock K16 turbos.

Car has a MAFLess Cobb AP tune by Sam@ByDesign with filters on the turbos, 5 bar FPR, 997GT2RS intercoolers and Speedtech 2.5 X-pipe with 100 cell cats and is RWD.

482whp and 483wtq on 93 octane tune.

The fact that it did this on pump gas on a Mustang dyno should put to bed the idea that stock K16s can't make 500whp.




Video of one of the runs.


Not super exciting, but the car moves pretty good for a lightly modded 15 year old pile.

1/4 mile numbers this fall when the weather cools down.

 

Thanks Sam! Will get some logs soon.

 

 

are you out of fuel to the point you need 5 bar or is it just for additional safety?

 

 

Yea, I was running out of fuel prior to the 5 bar.

 

Any guesstimate on how much gain there is from filters on Turbos vs. the stock system?

I like the response of my tiny like K16's but not sure i want to go full filter on turbo's incase i get caught in the rain, etc.

 

Seat of the pants tells me 30-40whp, but I have no data to actually confirm. It's a large difference.

I've been caught in several downpours. Zero issues. Filters getting wet isn't a problem. Driving through standing water that goes up past the height of the filter is, but I would never drive through standing water in this car.

 

 

 

This is true, but my car is not tapped out. I was making just under 1 bar on the dyno and I have catted 2.5in exhaust plus no breathing mods post turbo. Add that Mustang dynos (when properly setup) typically show less power than a Dynojet and I could see an AWD easily pass 500whp especially on race gas or E85.

 

All this makes me want to dyno my car ASAP.

 

 

I think eliminating the intake plumbing and going filters on the turbos when I went MAFless was a HUGE help. That stock convoluted intake piping is super restrictive. That said, if the car feels great, who cares what it puts down on a dyno? I mainly put mine on the dyno to figure out shift points and see what the curve looked like. What it does in the 1/4 and 1/2 mile is more important to me than just dyno numbers.

 

My car shaved off 3/10ths in the 1/4mi by going filters on turbos. Huge difference IMO.