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how sluggish is boost motor B4 boost?

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Old Apr 14, 2006 | 11:06 AM
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Default how sluggish is boost motor B4 boost?

As the question asks.... I know the compression has a lot to do with it. Does the addition of headers, better intake/TB, tune, etc. make up for the lower compression performance loss before boost? I've heard some boost motors can be real slugs before boost. Tnx in advance.
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Old Apr 14, 2006 | 11:27 AM
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not v8 motors...
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Old Apr 14, 2006 | 12:15 PM
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Originally Posted by WindWalker
As the question asks.... I know the compression has a lot to do with it. Does the addition of headers, better intake/TB, tune, etc. make up for the lower compression performance loss before boost? I've heard some boost motors can be real slugs before boost. Tnx in advance.
As far as I know if the car is tuned correctly it should not feel sluggish out of boost...
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Old Apr 14, 2006 | 02:07 PM
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what motor are you talking about? if its a lsx series then....well I have never seen a sluggish lsx motor, even stock... now if your talking the little 4 banger out of an evo... then yes they are sluggish....
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Old Apr 14, 2006 | 04:51 PM
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My pre-boost 9.3CR 402 had more power than my cammed 347 @ 10.x (whatever stock LS1s are).
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Old Apr 14, 2006 | 05:11 PM
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A point drop in compression drops you how much horsepower? Not much.

It's pretty difficult to make a LSx V8 motor feel sluggish, especially down-low.... I think mods would easily make up for the point drop (or two) drop in CR. With 4-cyls it's another story, because they don't have a lot of down-low power as it is... V8's do.
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Old Apr 14, 2006 | 06:10 PM
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when you nail it, it will go
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Old Apr 14, 2006 | 07:02 PM
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Question answered. Thanks guys!!
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