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SVT Shelby GT500
Whipple 2.9 Gen3 - Slight hesitation
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<blockquote data-quote="RBB" data-source="post: 15881692" data-attributes="member: 152686"><p>The remedy for cars with cams that are making low vacuum is a low vacuum bypass....has a much lighter spring. Not sure why you'd need one of those if you're not cammed and making the normal amount of vacuum, unless your high elevation is causing you to make low vacuum. Put a vacuum pump on the top port (with the line going to the passenger side of the blower) and see how much vacuum it takes to close your valve. Here's a link to the light spring bypass.</p><p></p><p><a href="https://www.teambeefcakeracing.com/whipple-bact-1015.html" target="_blank">https://www.teambeefcakeracing.com/whipple-bact-1015.html</a></p></blockquote><p></p>
[QUOTE="RBB, post: 15881692, member: 152686"] The remedy for cars with cams that are making low vacuum is a low vacuum bypass....has a much lighter spring. Not sure why you'd need one of those if you're not cammed and making the normal amount of vacuum, unless your high elevation is causing you to make low vacuum. Put a vacuum pump on the top port (with the line going to the passenger side of the blower) and see how much vacuum it takes to close your valve. Here's a link to the light spring bypass. [URL]https://www.teambeefcakeracing.com/whipple-bact-1015.html[/URL] [/QUOTE]
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SVT Shelby GT500
Whipple 2.9 Gen3 - Slight hesitation
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