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Message: <blockquote data-quote="Veloc" data-source="post: 1064399581" data-attributes="member: 92511">There are no 5 valve per cyl engines made for the Neo. If you want, you will have to go for the 4AGE Blacktop but in my opinion, would be a total waste.The Neo engine is not bad, and if modded properly, cit can achieve the output of what the blacktop can achieve. 5 valve per cyl is not superior than 4 valve per cyl and this is even more true if you want to mod it to a higher output. Engineers have found out that 5 valve per cyl gives better breathing efficiency compared to 4 valves per cyl and has better aural qualities (slightly unique sound). But if you talk about high power, valve per cylinder makes better power. The reason is 5 valves per cyl has more moving parts that decreases the efficiency of the engine especially at high revs. The max power for an NA blacktop that I have ever heard of is 220 hp, while for the red top 4AGE, it is 250 hp. This is why they still stick with the redtop 4AGE in the Formula Atlantic rather than switching to the 20 valves engines.If you want to play NA, play NA. If you plan to turbo, skip the initial NA mods. Build a turbo from the beginning because the mods for NA and turbo engines are different especially in the breathing. Especially camshafts, exhaust, intakes. If you build and NA engine using Works engineering stuff and you plan to turbo later, all your NA mods are wasted.</blockquote>

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