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MS-75 Regular Location: Adelaide Registered: June 2002	Re: BOV on an auto? Mon, 30 June 2003 22:31 Yep-second that Bigworm-I ran one on my 5m and have a big custom one on my turbo (auto) 1FZ (start-up this weekend!) On an auto they serve the same purpose as they do on manual cars-to stop the air that is compressed between the turbo and the closed throttlebody rushing back out the turbo and shaking the crap out of the turbo shaft-and hence reducing turbo life (that is the primary function-not for decreased spool-up time-they help relatively little in that department.) The only time they go off in an auto is when you get off the gas (at the end of the strip...)-they don't go off as the car up shifts at all (at WOT of course-they can hiss and carry on at light throttle though, although they do that regardless of being auto or not.) Remember of course that generally the louder the valve the more restriction they cause-of course reducing their effectiveness. On factory cars they are fitted for turbo longevity (auto or manual) All turbo cars should have them for turbo reliability. Can be fun for scaring pedestrians too..... Sean [Report message to a moderator]

	Subject	Poster	Date
	BOV on an auto?	ybs1ow	Mon, 30 June 2003 12:15
	Re: BOV on an auto?	Cool1	Mon, 30 June 2003 12:22
	Re: BOV on an auto?	draven	Mon, 30 June 2003 12:25
	Re: BOV on an auto?	silverfox	Mon, 30 June 2003 12:41
	Re: BOV on an auto?	Cool1	Mon, 30 June 2003 12:41
	Re: BOV on an auto?	Intensevil	Mon, 30 June 2003 12:46
	Re: BOV on an auto?	Cool1	Mon, 30 June 2003 12:50
	Re: BOV on an auto?	BigWorm	Mon, 30 June 2003 13:10
	Re: BOV on an auto?	rob_RA40	Mon, 30 June 2003 21:57
	Re: BOV on an auto?	Cool1	Mon, 30 June 2003 22:11
	Re: BOV on an auto?	MS-75	Mon, 30 June 2003 22:31
	Re: BOV on an auto?	Norbie	Mon, 30 June 2003 23:33
	Re: BOV on an auto?	Soarer	Mon, 30 June 2003 23:38
	Re: BOV on an auto?	justcallmefrank	Tue, 01 July 2003 02:11
	Re: BOV on an auto?	Norbie	Tue, 01 July 2003 02:55
	Re: BOV on an auto?	Les	Tue, 01 July 2003 04:08
	Re: BOV on an auto?	justcallmefrank	Tue, 01 July 2003 04:48
	Re: BOV on an auto?	Bugman	Tue, 01 July 2003 06:33
	Re: BOV on an auto?	Soarer	Tue, 01 July 2003 08:46
	Re: BOV on an auto?	strober	Tue, 01 July 2003 13:43
	Re: BOV on an auto?	Soarer	Wed, 02 July 2003 00:06
	Re: BOV on an auto?	Celia-Sue	Wed, 02 July 2003 04:28
	Re: BOV on an auto?	Helmann	Thu, 03 July 2003 10:37
	Re: BOV on an auto?	Norbie	Thu, 03 July 2003 13:53

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