Advice on full decat
Thread Starter
Scooby Regular
Joined: Jun 2002
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From: Didcot, South Oxfordshire
Say, for arguments sake, I was to fully decat the old MY00 Sport, what should I look out for re induction, AFR, lambda sensors, remap, rolling road setup, etc?
Have been offered some interesting pipework but have never done this sort of thing before...any (constructive) advise welcome
Cheers, Jon
Have been offered some interesting pipework but have never done this sort of thing before...any (constructive) advise welcome

Cheers, Jon
Thread Starter
Scooby Regular
Joined: Jun 2002
Posts: 1,999
Likes: 0
From: Didcot, South Oxfordshire
I don't know about my neighbours but I sure will 
AFAIK, decatting will mean I can expell the gases out quicker so should I match this with suitable induction?
If I increase the flow of air in, will it not run the risk of running lean or will the ECU automatically compensate for this?
I'm not looking for big BHP (ie more than 150
) just a bit more pickup and a sweet rumble

AFAIK, decatting will mean I can expell the gases out quicker so should I match this with suitable induction?
If I increase the flow of air in, will it not run the risk of running lean or will the ECU automatically compensate for this?
I'm not looking for big BHP (ie more than 150
) just a bit more pickup and a sweet rumble
I have a MY00 (turbo) and was told by Ian at H&S when he fitted my full de-cat that he has fitted hundreds upon hundreds of full de-cat systems and that they will cause no engine damage.
I have a ITG filter (the one that causes the MAF to fail) but I will soon be replacing this with a dry K&N soon. Can't say I noticed a difference between this and a standard filter to be honest.
Don't be to paranoid about getting the zorst, just do it.
I have a ITG filter (the one that causes the MAF to fail) but I will soon be replacing this with a dry K&N soon. Can't say I noticed a difference between this and a standard filter to be honest.
Don't be to paranoid about getting the zorst, just do it.
Cheers John 
Just looking at Induction now...you say you are going for a K&N? I have looked at replacement panels such as Green and ITG but my beef is with the pipping leading to the airbox - very twisty and restricted.
Think I may go for the K&N 57i Gen2 kit as seen on Newport_White_scooby's Sport as it completely replaces the airbox and pipe work - does anyone know who sells these?
Should something go wrong, what is likely...ie can it run too lean and what effect would this have on the engine?

Just looking at Induction now...you say you are going for a K&N? I have looked at replacement panels such as Green and ITG but my beef is with the pipping leading to the airbox - very twisty and restricted.
Think I may go for the K&N 57i Gen2 kit as seen on Newport_White_scooby's Sport as it completely replaces the airbox and pipe work - does anyone know who sells these?
Should something go wrong, what is likely...ie can it run too lean and what effect would this have on the engine?
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jon, i was gonna say but thought you would know where they are.
rsm, white lund, morecambe , phone to order so youre not waiting days. make sure you check the parts when you get it (not rsm but k&n mistakes). Give us a shout it you want help fitting
martin
rsm, white lund, morecambe , phone to order so youre not waiting days. make sure you check the parts when you get it (not rsm but k&n mistakes). Give us a shout it you want help fitting

martin
John - drop Ian@ScoobyExhausts.co.uk (Hayward & Scott) an email and he will do you a cracking (and popping) good deal 
If you order now, he will bring the bits up to the NBO for you thus saving postage costs
Only got prices for Sport so don't know about your UK Turbo
Jon

If you order now, he will bring the bits up to the NBO for you thus saving postage costs

Only got prices for Sport so don't know about your UK Turbo

Jon
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