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skitz_supra Occasional Poster Location: North Brisbane Registered: May 2002	Re: BOV's & Wastegates Sat, 01 June 2002 14:01 boost is created by by exhaust gas leaving the engine and turning a turbine (rear one), which is connected to a compressor (front turbine) this compressor sucks air and compresses it (funnily enough), to stop the turbo making as much boost as it possibly can (fun but not good) you must detour some exhaust gas around the rear turbine, this is what a wastegate does, it opens at a preset boost level and prevents the turbo from making anymore boost.... when you close the throttle quickly after boosting it up (gear changes) the turbo is still making boost (engine still outputing exhaust, so it's still spining) so all this pressure is put on the throttle body, and the turbo itself, this pressure causes premature ware of the turbo, (plus venting it reduces lag after gear shifts)... so yeah, in any descent turbo car, both of these things are a very good idea... anyone wish to correct me feel free, i'm still learning just like everyone else... c-ya, [Report message to a moderator]

	Subject	Poster	Date
	BOV's & Wastegates	RAV-GT4	Sat, 01 June 2002 13:22
	Re: BOV's & Wastegates	skitz_supra	Sat, 01 June 2002 14:01
	Re: BOV's & Wastegates	mr_messy	Sat, 01 June 2002 16:49
	Re: BOV's & Wastegates	RAV-GT4	Sat, 01 June 2002 17:32
	Re: BOV's & Wastegates	wilbo666	Sun, 02 June 2002 00:36
	Re: BOV's & Wastegates	RAV-GT4	Sun, 02 June 2002 04:11
	Re: BOV's & Wastegates	wilbo666	Sun, 02 June 2002 05:01
	Re: BOV's & Wastegates	jza70-mel	Sun, 02 June 2002 06:56
	Re: BOV's & Wastegates	stradlater	Sun, 02 June 2002 12:24
	Re: BOV's & Wastegates	RAV-GT4	Sun, 02 June 2002 13:01
	Re: BOV's & Wastegates	stradlater	Mon, 03 June 2002 00:33
	Re: BOV's & Wastegates	RAV-GT4	Mon, 03 June 2002 04:34
	Re: BOV's & Wastegates	stradlater	Mon, 03 June 2002 05:57
	Re: BOV's & Wastegates	RobertoX	Mon, 03 June 2002 06:33
	Re: BOV's & Wastegates	RAV-GT4	Wed, 12 June 2002 14:25
	Re: BOV's & Wastegates	RAV-GT4	Mon, 03 June 2002 11:37
	Re: BOV's & Wastegates	wilbo666	Mon, 03 June 2002 11:53
	Re: BOV's & Wastegates	stradlater	Mon, 03 June 2002 11:56
	Re: BOV's & Wastegates	RAV-GT4	Mon, 03 June 2002 12:55
	Re: BOV's & Wastegates	RobertoX	Tue, 04 June 2002 03:37
	Re: BOV's & Wastegates	stradlater	Tue, 04 June 2002 03:46
	Re: BOV's & Wastegates	RAV-GT4	Tue, 04 June 2002 07:24
	Re: BOV's & Wastegates	BigWorm	Tue, 04 June 2002 07:48
	Re: BOV's & Wastegates	RobertoX	Wed, 05 June 2002 02:47
	Re: BOV's & Wastegates	justcallmefrank	Thu, 13 June 2002 00:24
	Re: BOV's & Wastegates	RobertoX	Thu, 13 June 2002 01:07
	Re: BOV's & Wastegates	Red2Door	Thu, 13 June 2002 01:53

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