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Home > Help Needed / General Tech Chat > boost gauge vacuum

jimbodevo

15 Posts
Member #: 9835
Member

bexleyheath, Kent

11th May, 2014 at 08:26:57pm

Off boost gauge reading - 7 negative vacuum on idle, which is the norm. But sometimes on cruise off boost it drops down round to -1. Then creepsback to -7. Why is this.


Brett

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9502 Posts
Member #: 1023
Post Whore

Doncaster, South Yorkshire

11th May, 2014 at 09:09:55pm

Usually because thats the pressure in the manifold

Yes i moved to the darkside *happy*

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jimbodevo

15 Posts
Member #: 9835
Member

bexleyheath, Kent

12th May, 2014 at 02:50:23pm

That's ok then. Went it round to -1.0 I thought that'snot cool.

stevieturbo

3594 Posts
Member #: 655
Post Whore

Northern Ireland

12th May, 2014 at 10:27:25pm

As long as it doesnt go into the red danger zone...then things really get nasty !!

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

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