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SVTPerformance's Chain of Restaurants
Road Side Pub
Which Modular Engine is the Toughest?
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<blockquote data-quote="RedVenom48" data-source="post: 16320319" data-attributes="member: 166576"><p>On my former 2002 Explorer 4.6L, the Romeo 2v had the plastic intake with aluminum crossover tube. That was the first upgrade. It still relied on molded groves in the plastic flanges to locate and support the o-ring style gaskets. Still a weak link. Mine was puking from the upper plastic groove after it burst.</p><p></p><p>The latest version has aluminum crossover that now features the sealing ring grooves on it. The Manifold to cylinder head flange is now all flat and there is a special gasket assembly located by the manifold location studs.</p><p></p><p>Ive had to replace the manifold on my old 4.6 2V and my dads 5.4 2V. No issues on my dads 5.4, the 4.6 is still in the family and ok so far.</p><p></p><p>As for the 4.6/5.4 3v, the 2013-2014 GT500 oil pump is listed as an upgrade part for the 3v's. My guess is that the original factory 3V oil pumps simply couldnt supply the system with enough oil volume and pressure.</p><p></p><p>If Im not mistaken, that was Ford's first attempt at V8 cam phasing wasnt it?</p></blockquote><p></p>
[QUOTE="RedVenom48, post: 16320319, member: 166576"] On my former 2002 Explorer 4.6L, the Romeo 2v had the plastic intake with aluminum crossover tube. That was the first upgrade. It still relied on molded groves in the plastic flanges to locate and support the o-ring style gaskets. Still a weak link. Mine was puking from the upper plastic groove after it burst. The latest version has aluminum crossover that now features the sealing ring grooves on it. The Manifold to cylinder head flange is now all flat and there is a special gasket assembly located by the manifold location studs. Ive had to replace the manifold on my old 4.6 2V and my dads 5.4 2V. No issues on my dads 5.4, the 4.6 is still in the family and ok so far. As for the 4.6/5.4 3v, the 2013-2014 GT500 oil pump is listed as an upgrade part for the 3v's. My guess is that the original factory 3V oil pumps simply couldnt supply the system with enough oil volume and pressure. If Im not mistaken, that was Ford's first attempt at V8 cam phasing wasnt it? [/QUOTE]
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Which Modular Engine is the Toughest?
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