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Monsters Among US - More Details Emerge on Ford's New Godzilla (7X) V8 Engine
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<blockquote data-quote="RedVenom48" data-source="post: 15951523" data-attributes="member: 166576"><p>[USER=8858]@SID297[/USER] If you have contact with your source again, Id be interested to hear about how they are addressing carbon buildup. D4 systems are notorious for coking oil vapor on intake runners and intake valves. Toyota's (Lexus) D4S features both port and direct injection, probably very similar to the system Ford wants to employ on Godzilla.</p><p></p><p>Even with the port fuel, we would often find some carbon on the back of the intake valves, though not nearly as bad as the D4 only IS250 engine. Ive also heard the process of DI can leave more carbon deposits than usual on the piston faces.</p><p></p><p>It would be interesting to hear how they are combating this irritating phenomenon that occurs with direct injection.</p></blockquote><p></p>
[QUOTE="RedVenom48, post: 15951523, member: 166576"] [USER=8858]@SID297[/USER] If you have contact with your source again, Id be interested to hear about how they are addressing carbon buildup. D4 systems are notorious for coking oil vapor on intake runners and intake valves. Toyota's (Lexus) D4S features both port and direct injection, probably very similar to the system Ford wants to employ on Godzilla. Even with the port fuel, we would often find some carbon on the back of the intake valves, though not nearly as bad as the D4 only IS250 engine. Ive also heard the process of DI can leave more carbon deposits than usual on the piston faces. It would be interesting to hear how they are combating this irritating phenomenon that occurs with direct injection. [/QUOTE]
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Monsters Among US - More Details Emerge on Ford's New Godzilla (7X) V8 Engine
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