Rs Airbox

Not sure about GGR's statement about their airbox.

"The 'self-compensation' of the standard management system means that there is no measureable power increase on a standard car"

http://www.grahamgoode.com/website/parts.p...mp;item=GGF3001

Surely 3.5% more air = more power?

Or the standard set-up is pretty good!

Anyone running the RS with the lid off or drilled dyno'd the supposed improvement?

If this is ok on the RS can't see why the following should'nt be ok on the ST then.

http://www.focusstoc.com/forums/Modded-Kan...mp;hl=45+degree

QUOTE(mitchst @ 23 Nov 2009, 04:25 PM) <{POST_SNAPBACK}>Not sure about GGR's statement about their airbox.

"The 'self-compensation' of the standard management system means that there is no measureable power increase on a standard car"

http://www.grahamgoode.com/website/parts.p...mp;item=GGF3001

Surely 3.5% more air = more power?

Or the standard set-up is pretty good!

Anyone running the RS with the lid off or drilled dyno'd the supposed improvement?

If this is ok on the RS can't see why the following should'nt be ok on the ST then.

http://www.focusstoc.com/forums/Modded-Kan...mp;hl=45+degree

Surely if GGR could claim power gains for their airbox they would? So bearing in mind the seriously complicated ways that standard ECU maps seem to work these days, working to torque targets (ref DS mapping article in Perf Ford) it's possible the ECU reigns in other settings that prevent the extra airflow giving a power increase.

Pumabuild quote better dyno figures in a magazine article once they ran an RS with the airbox lid off, seen the same with a Wolf car run on the dyno at Collins too. Poss gains of 15 to 20 bhp seen iirc. Problem is compounded by the flexi-pipe from the airbox collapsing due to the vaccum created when the standard RS set-up can't flow enough air. After all the RS airbox is the same as the basic Focus, with a secondary air intake feeding into it.

I've been running a similar set-up to Glenn for some time now but modified the K&N Gen 2 pipework so the filter is still located in the wheelarch area.

QUOTE(troy45 @ 23 Nov 2009, 05:39 PM) <{POST_SNAPBACK}>Surely if GGR could claim power gains for their airbox they would? So bearing in mind the seriously complicated ways that standard ECU maps seem to work these days, working to torque targets (ref DS mapping article in Perf Ford) it's possible the ECU reigns in other settings that prevent the extra airflow giving a power increase.Pumabuild quote better dyno figures in a magazine article once they ran an RS with the airbox lid off, seen the same with a Wolf car run on the dyno at Collins too. Poss gains of 15 to 20 bhp seen iirc. Problem is compounded by the flexi-pipe from the airbox collapsing due to the vaccum created when the standard RS set-up can't flow enough air. After all the RS airbox is the same as the basic Focus, with a secondary air intake feeding into it. I've been running a similar set-up to Glenn for some time now but modified the K&N Gen 2 pipework so the filter is still located in the wheelarch area.All I'm saying is if removing the RS lid improves performance and GGR's kit does not then Glen's ST set-up should be ok - perhaps improved only by adding heat shield open to the front of the car only.This then will be the approach I take forgetting about the airbox.QUOTE(boost junkie @ 23 Nov 2009, 06:31 PM) <{POST_SNAPBACK}>Wouldn't you be able use pumabuild's air box and filter with a hose instead of the fexipipe that the rs useshttp://www.pumabuild.co.uk/catalog/product...8768d230b0bca5fThats only a drilled RS lid by the looks of it.