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Classique71 Forums Junkie Location: Colac, Victoria Registered: May 2002	Re: GT4 modification and performance ... Sun, 15 May 2005 02:32 for higher boost , and reliability , look at 3 or so areas - Fueling , headgasket , clutch , Turbo upgrade for low boost around 12 PSI - youll defenatly have to look at a FCD at least - though expect your headgasket to complain after a while Clutch will start to slip if you have a stock one at anything over stock boost so you may need to upgrade that too Anything more than 12psi you start looking at things such as aftermarket management , intternal strengthening of the engine , and the need for a greater capacity fuel pump and injectors. turbo wise the limit on these are debatable - youll def' need steel internals for anything over 14 PSI as the ceramic coating on them ( non oz spec or group a ct26 i mean ) will start to de laminate .. usual fix is upgrade your turbo wirth either something aftermarket - or highflw the ct26 using a to4 wheel and supra compressor ( or something like that ) Mines an extreme end of example - but it will be able to handle upwards to 25 PSI with new turbo without much fuss power figures is a dirty big variable - no one can say that X combination of parts will yield Y results - though with more ( around 16 - 18psi boost, better fuelling and a dcent head gasket - over 140 - 150 KW without much fuss at the wheels ( big guess here from other results ive seen ) [Report message to a moderator]

	Subject	Poster	Date
	GT4 modification and performance ...	carsanactra	Sun, 15 May 2005 02:24
	Re: GT4 modification and performance ...	Classique71	Sun, 15 May 2005 02:32
	Re: GT4 modification and performance ...	RWDboy	Sun, 15 May 2005 03:56
	Re: GT4 modification and performance ...	RWDboy	Sun, 15 May 2005 04:04
	Re: GT4 modification and performance ...	Toobs	Sun, 15 May 2005 04:21
	Re: GT4 modification and performance ...	berad	Sun, 15 May 2005 04:38
	Re: GT4 modification and performance ...	carsanactra	Sun, 15 May 2005 05:25
	Re: GT4 modification and performance ...	RWDboy	Sun, 15 May 2005 07:00
	Re: GT4 modification and performance ...	berad	Sun, 15 May 2005 08:03
	Re: GT4 modification and performance ...	StuC	Sun, 15 May 2005 08:33
	Re: GT4 modification and performance ...	ralfross	Sun, 15 May 2005 08:56
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Sun, 15 May 2005 09:15
	Re: GT4 modification and performance ...	Classique71	Sun, 15 May 2005 12:08
	Re: GT4 modification and performance ...	carsanactra	Sun, 15 May 2005 12:28
	Re: GT4 modification and performance ...	Classique71	Sun, 15 May 2005 12:37
	Re: GT4 modification and performance ...	RWDboy	Sun, 15 May 2005 14:45
	Re: GT4 modification and performance ...	berad	Mon, 16 May 2005 07:26
	Re: GT4 modification and performance ...	carsanactra	Tue, 17 May 2005 02:57
	Re: GT4 modification and performance ...	justcallmefrank	Tue, 17 May 2005 03:15
	Re: GT4 modification and performance ...	Classique71	Tue, 17 May 2005 08:21
	Re: GT4 modification and performance ...	justcallmefrank	Tue, 17 May 2005 08:25
	Re: GT4 modification and performance ...	Classique71	Tue, 17 May 2005 08:57
	Re: GT4 modification and performance ...	berad	Tue, 17 May 2005 09:27
	Re: GT4 modification and performance ...	carsanactra	Tue, 17 May 2005 12:42
	Re: GT4 modification and performance ...	RWDboy	Tue, 17 May 2005 16:02
	Re: GT4 modification and performance ...	RWDboy	Tue, 17 May 2005 16:11
	Re: GT4 modification and performance ...	berad	Wed, 18 May 2005 09:42
	Re: GT4 modification and performance ...	RWDboy	Wed, 18 May 2005 14:43
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Thu, 19 May 2005 08:34
	Re: GT4 modification and performance ...	RWDboy	Thu, 19 May 2005 14:12
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Thu, 19 May 2005 21:46
	Re: GT4 modification and performance ...	berad	Fri, 20 May 2005 02:57
	Re: GT4 modification and performance ...	berad	Fri, 20 May 2005 02:59
	Re: GT4 modification and performance ...	carsanactra	Fri, 20 May 2005 03:13
	Re: GT4 modification and performance ...	RWDboy	Fri, 20 May 2005 03:17
	Re: GT4 modification and performance ...	berad	Fri, 20 May 2005 03:19
	Re: GT4 modification and performance ...	berad	Fri, 20 May 2005 03:23
	Re: GT4 modification and performance ...	RWDboy	Fri, 20 May 2005 15:33
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Fri, 20 May 2005 23:03
	Re: GT4 modification and performance ...	Toobs	Sat, 21 May 2005 13:11
	Re: GT4 modification and performance ...	RWDboy	Sat, 21 May 2005 01:36
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Sat, 21 May 2005 04:49
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Sat, 21 May 2005 13:45
	Re: GT4 modification and performance ...	RWDboy	Thu, 23 June 2005 14:37
	Re: GT4 modification and performance ...	-==L=a=N=c=E==-	Thu, 23 June 2005 21:34

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