Bhp calculation

[Screech16v]

Got myself vag com so this afternoon i did a few logs,two 3rd gear pulls and a 4th gear aswell ,seen that a rough bhp figure can be had from the maf mg/s reading by dividing it by 0.8,how accurate or inaccurate compared to a dyno  is this from peoples experience,I was told by a vw mastertech that if the maf is reading correctly which it is, that it can be as close as 5bhp correct  mine was 169 mg/s so came out at 211bhp but I only got a remapped ko3 with the supporting and most people say ko3 is maxxed out at 200.Not forgetting the outside air temp was low.

[Wazzzer]

it's a bit of a guess really, I've had readings that are 15bhp over and others that are bang on the money. A K03 won't hit any more than around 200bhp so you can rightly assume your calculation is slightly out

[Screech16v]

Thanks wazzer I was just wishful thinking 

[Chris.]

Also the maf calculation doesnt take into account ignition timing.

Usually fairly accurate tho