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The Terminator
Terminator Talk
Ported Eaton vs Twin Screw at Stock Boost
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<blockquote data-quote="jm@ReischePerf" data-source="post: 6026170" data-attributes="member: 48129"><p>I read both of the links you provided and could not find that info. Whipple doesn't provide anything for less than 13lbs of boost and the other author said flat out that the roots blower has low end advantages over the twin screw. He also went on to say that under equal conditions the twin screw outperforms the roots in peak hp primarily by making MORE BOOST :shrug: He also said beware of info being provided by someone with financial stake in the matter. Did you read his entire page?If you're obsessed with running the engine at stock boost then port the Eaton, plenum and get a better TB. There's probably some fine tuning that could be done to the exhaust with the right set of headers and a catless X, and you could do cams and head porting. Your goal could be possible if you throw enough money at the situation. But running a twin screw at less than 10lbs is a complete waste of time and money and will not have the results you want. You will lose power down low because the blower is too large for what you are using it for. Larger blowers are for making more boost, proper sizing and efficiency go hand and hand. Go back and read that other link again, it's all spelled out right there for you.</p></blockquote><p></p>
[QUOTE="jm@ReischePerf, post: 6026170, member: 48129"] I read both of the links you provided and could not find that info. Whipple doesn't provide anything for less than 13lbs of boost and the other author said flat out that the roots blower has low end advantages over the twin screw. He also went on to say that under equal conditions the twin screw outperforms the roots in peak hp primarily by making MORE BOOST :shrug: He also said beware of info being provided by someone with financial stake in the matter. Did you read his entire page?If you're obsessed with running the engine at stock boost then port the Eaton, plenum and get a better TB. There's probably some fine tuning that could be done to the exhaust with the right set of headers and a catless X, and you could do cams and head porting. Your goal could be possible if you throw enough money at the situation. But running a twin screw at less than 10lbs is a complete waste of time and money and will not have the results you want. You will lose power down low because the blower is too large for what you are using it for. Larger blowers are for making more boost, proper sizing and efficiency go hand and hand. Go back and read that other link again, it's all spelled out right there for you. [/QUOTE]
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Ported Eaton vs Twin Screw at Stock Boost
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