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Mach 1
400hp NA
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<blockquote data-quote="tmhutch" data-source="post: 9968505" data-attributes="member: 4434"><p>Stroker engines do just fine. Some of that early stuff was basic R&D. Piston manufacturers have it figured out now.</p><p></p><p>If you are staying 4.6, there wouldnt me much justification in going stage 3 vs stage 2 port. The smaller engine just doesnt need that much port volume.</p><p></p><p>Dump the FR500's. They're a nice mild cam but lack serious power compared to something in the 226 duration range. The HiTechs are great cams. So are the comps. Once you decide how high you are willing to spin the engine and the capabilities of your intake manifold, you can zero in on a cam grind. If you're shifting at 7000 RPM, you can stay in the 226 range for duration. If shifting at 7500 you will want at least 234 degrees duration.</p></blockquote><p></p>
[QUOTE="tmhutch, post: 9968505, member: 4434"] Stroker engines do just fine. Some of that early stuff was basic R&D. Piston manufacturers have it figured out now. If you are staying 4.6, there wouldnt me much justification in going stage 3 vs stage 2 port. The smaller engine just doesnt need that much port volume. Dump the FR500's. They're a nice mild cam but lack serious power compared to something in the 226 duration range. The HiTechs are great cams. So are the comps. Once you decide how high you are willing to spin the engine and the capabilities of your intake manifold, you can zero in on a cam grind. If you're shifting at 7000 RPM, you can stay in the 226 range for duration. If shifting at 7500 you will want at least 234 degrees duration. [/QUOTE]
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