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what is the max. psi can i boost with my .5bar spring?

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Old 02-28-2006, 04:58 PM
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Default what is the max. psi can i boost with my .5bar spring?

as title, just wondering if this spring can hold 20+psi range?? or do i have to get a bigger spring.
Old 02-28-2006, 05:11 PM
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ok call me dumb, but i have no idea what you mean by that. Are you going to use an MBC??
Old 02-28-2006, 05:13 PM
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Default Re: (Schister66)

Yeah I belive he wants to see how muh boost he can run utilizing the spring he has
Old 02-28-2006, 06:09 PM
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yes, will be running mbc
Old 02-28-2006, 06:41 PM
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Default Re: (eg:R)

then your boost limits are governed by your engine and your turbo. You can go above the .5 bar spring in the wastegate but not below it without changing springs
Old 03-02-2006, 04:19 PM
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how much above .5 bar can i boost?
Old 03-02-2006, 04:23 PM
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most ppl say the highest you can go is double the wg spring
Old 03-02-2006, 06:20 PM
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anybody ever boost more than double of their wastegate spring?
Old 03-06-2006, 12:19 PM
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Default Re: (eg:R)

well 1 bar is 14.5psi....so .5 bar would be 7.25psi....and you wouls have to almost triple it
Old 03-06-2006, 12:21 PM
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you mid as well get a bigger spring anyway....i would a wastegate spring is better then a mbc....once you install a mbc..especially a cheap one you start getting all types of boost spike ....one my first turbo setup ever i had a wastegate spring at 5psi aand added a cheap 3$ mbc to up the boost to 13 and it would always spike to like 20
Old 03-06-2006, 01:12 PM
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Default Re: (hotimportcrx)

You can about 22-23 out of the .5 springs. I have the .4 and got 22lbs before the wastegate goes open. I wouldn't recommend more than 2.5x the spring.

Adriano
Old 03-06-2006, 01:15 PM
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Default Re: what is the max. psi can i boost with my .5bar spring? (eg:R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eg:R &raquo;</TD></TR><TR><TD CLASS="quote">as title, just wondering if this spring can hold 20+psi range?? or do i have to get a bigger spring. </TD></TR></TABLE>

I ran 23psi on my .5 bar spring no problem. I had a dual stage turbo xs manual boost controller. No spike problems at all.
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