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Cobra R's
Updated 2000 R FAQ and info document
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<blockquote data-quote="Fourcam281" data-source="post: 1564366" data-attributes="member: 8621"><p><strong>Lots of false info...</strong></p><p></p><p></p><p></p><p>'00R heads are completely different castings than any of the other modular 4v heads to date--save the '05 GT which uses a slightly modified version of the '00R heads. '00R heads use a +2mm exhaust valve sizing (32mm vs. 30mm) and even have a specific vavletrain (featuring a Dodge Neon adjuster) not shared with any other head. '00R heads flow more stock than a stage II (80-85%) set of ported Navis. </p><p>The rods are billet steel, not Ti. </p><p>Crank is a regular forged ( 8 bolt) Navi unit. </p><p>The '00R engine has stock dimensions (no extra stroke) those being 3.55"x4.165"</p></blockquote><p></p>
[QUOTE="Fourcam281, post: 1564366, member: 8621"] [b]Lots of false info...[/b] '00R heads are completely different castings than any of the other modular 4v heads to date--save the '05 GT which uses a slightly modified version of the '00R heads. '00R heads use a +2mm exhaust valve sizing (32mm vs. 30mm) and even have a specific vavletrain (featuring a Dodge Neon adjuster) not shared with any other head. '00R heads flow more stock than a stage II (80-85%) set of ported Navis. The rods are billet steel, not Ti. Crank is a regular forged ( 8 bolt) Navi unit. The '00R engine has stock dimensions (no extra stroke) those being 3.55"x4.165" [/QUOTE]
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Updated 2000 R FAQ and info document
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