GolfGTIforum.co.uk
Model specific boards => Golf mk4 => Topic started by: Screech16v on 03 January 2014, 19:50
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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.
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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
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Thanks wazzer I was just wishful thinking :grin:
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Also the maf calculation doesnt take into account ignition timing.
Usually fairly accurate tho