What's the highest MAF Hz that you've logged with the stock MAF? I need to know how high it can go for a patch that I'm working on.

 

Highest I have logged so far is 2985hz

 

2byte airflow? ~1900 hz

what turbo is that Bryan?

Makes my 1900 seem a bit lame

 

dam highest i logged was 1900 and some change. Still on stock 9.8

 

It's a PT6262 on E85

My personal evo is 2199hz or so on FPgreen

 

2byte-2341/2342

PT61mm BB

 

That's impressive. What was the whp?

 

I've been able to artificially get over 3000hz, but the highest I've seen with my specific turbo and a stock MAF was around 2900hz, Since I run a blowthrough MAF, I actually have the settings calibrated to be alot lower even though boost is very high.

 

Stock charger with 10.5cm2 WG housing. MAF is upside-down and use HKS pipe and filter which, both change the signal quite a bit. My 2byte air readings are jagged for some reason and when smoothed appear up to 200hz higher than real. The actual frequency from meter (ssi4) averages about 1830hz but have seen mid 1900's with higher WG preload and less performance.

 

470 on our dyno. That was at 26.5psi up top. It maxed out the fuel system. It would have done more at 27+ but it didn't have the fuel.

 

Thanks everyone. Got the info I needed.

 

Any info on the patch you are working on MrFred?

 

Its nothing earth shattering, but will be handy for judging performance and fuel economy. Can you guess from that? :-)