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SVT Shelby GT500
Whipple 2.9 Gen3 - Slight hesitation
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<blockquote data-quote="RBB" data-source="post: 15882029" data-attributes="member: 152686"><p>Yeah, I meant open. If you're around 16" you should be fine at idle, which it appears you've verified. I don't know why you'd be going into boost at part throttle. I can tell you, though, that I just put a low vacuum bypass on my car and it exhibits the same type of behavior you're describing. My data logs look fine and I'm not having any lean spikes, but sometimes when I'm in part throttle situations and my vacuum gets low enough to release the actuator (4") I get a surge into boost. It's almost like an on/off switch....the stock bypass never acted like that.</p></blockquote><p></p>
[QUOTE="RBB, post: 15882029, member: 152686"] Yeah, I meant open. If you're around 16" you should be fine at idle, which it appears you've verified. I don't know why you'd be going into boost at part throttle. I can tell you, though, that I just put a low vacuum bypass on my car and it exhibits the same type of behavior you're describing. My data logs look fine and I'm not having any lean spikes, but sometimes when I'm in part throttle situations and my vacuum gets low enough to release the actuator (4") I get a surge into boost. It's almost like an on/off switch....the stock bypass never acted like that. [/QUOTE]
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SVT Shelby GT500
Whipple 2.9 Gen3 - Slight hesitation
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