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STS part throttle boost

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Old 02-07-2007, 05:05 PM
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Default STS part throttle boost

Wondering if this is normal or not. Under normal driving conditions at part throttle i don't build any boost, my boost gauge goes up to 0 and you can here the wastegate open and let the boost out.

at WOT its fine but is it suppose to be like that at part throttle?
Old 02-07-2007, 06:31 PM
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Yes, if there is no load on the motor it will not build boost.
Old 02-07-2007, 06:38 PM
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i know that, i mean when accelerating under part throttle. Sorry if that wasn't clear.
Old 02-07-2007, 06:40 PM
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seems normal i have to go bout past half to see some boost but im running 10 pounds
Old 02-07-2007, 07:58 PM
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what im saying here is that i have no boost at all unless i am WOT, there isn't any even at say 3/4 throttle accelerating from a dead stop. Are you saying that is normal?
Old 02-07-2007, 09:49 PM
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how about when you drive up a big hill? or if you have a load in the truck?
Old 02-07-2007, 09:53 PM
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not many hills around here, and i never carry a load. The bumper is only about 6 inches off the ground as it is, lol
Old 02-07-2007, 10:55 PM
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ummm yea somethin seems off i would c boost at 3/4 how many pounds u running?
Old 02-07-2007, 11:05 PM
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only 6lbs at the moment.
Old 02-07-2007, 11:23 PM
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It doesn't sound normal to me. If I baby it, I go to 0. If I go mid throttle I am well in boost, (at least 10 psi) but I have a manual trans and I run 20+psi on the street. This info may not be helpfull. Sorry, I don't know the response yet with an Automatic.


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