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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Roush Supercharger real world PSI at altitude?
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<blockquote data-quote="MTF" data-source="post: 1343271" data-attributes="member: 499"><p>When you add headers the PSI will drop 1.5 to 2 PSI</p><p>But you went with a smaller SC pulley which will increase boast a PSI maybe a bit more.</p><p>So you number shouldn't really change.</p><p></p><p>But 6 PSI does not sound right, you should be up around 9-10 PSI, like most have stated.</p><p>Either the gauge is faulty or you need to double check that your hooking it up correctly.</p><p>Wish I could help you further but I don't have a Roush.</p><p></p><p>Now I just spent about a half hour on the internet there are quite a few guys confused where to hook up a gauge on a Roush.</p><p>Basically you need to hook it to the manifold directly not on any hose or bypass hose.</p><p>I couldn't find a Raptor Roush combo. Sorry</p></blockquote><p></p>
[QUOTE="MTF, post: 1343271, member: 499"] When you add headers the PSI will drop 1.5 to 2 PSI But you went with a smaller SC pulley which will increase boast a PSI maybe a bit more. So you number shouldn't really change. But 6 PSI does not sound right, you should be up around 9-10 PSI, like most have stated. Either the gauge is faulty or you need to double check that your hooking it up correctly. Wish I could help you further but I don't have a Roush. Now I just spent about a half hour on the internet there are quite a few guys confused where to hook up a gauge on a Roush. Basically you need to hook it to the manifold directly not on any hose or bypass hose. I couldn't find a Raptor Roush combo. Sorry [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Roush Supercharger real world PSI at altitude?
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