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Message: <blockquote data-quote="shiroitenshi" data-source="post: 1344240" data-attributes="member: 27518">Thanks for joining the fray... I'm really hoping to widen my knowlegde about possible mods in Honda engines and the effects they might incur and also possible mods that have been done in Malaysia before.I know that compression isn't affected by bigger valves, just the flow. It was that I was thinking another purpose for the bigger valves, since we know that high lift cams and oversized valves are used to improve flow. Thinking about how oversized valves needing to have less lift, I assume that it will allow us to use higher compression pistons without risking hitting the valves as they return to their seats, as there is a limit to how fast the valves can return to their seats even with better springs and retainers (or is this assumption wrong totally?)As for the higher compression, I'm thinking of eeking better power from pump fuels, not racing fuels. As such I'm hopefully expecting that we can run higher compressions to (try) obtain more power from the combustion. I know it's gonna be hell with the ignition settings, but sometimes learning is best done through discovery, if no one has done it yet. But if someone has done it, why not learn from them? Of course, with drag races being a priority for most H badge fans right now, everything is 'TRADE SECRET', which really sucks for people who just want more power without involving in drag battles.There's a stroked B18C here, (no more, his damaged head was the above pic, and he went back to B16A after selling his stuff). I can't say for sure what you mean by power 'tak cantik' since we're not drag racers (just ppl with fully kitted interiors), and really just people interested in getting more power from a stock engine, thus we don't really compare our engine output, just discovering different forms of engine mods that can increase power. I agree with you about the B20B strokers since there was a fellow here (visiting) that had a B20B with 260+whp on strokers. (he has the dyno sheet from an accquaintance's shop to prove it).Currently one of the peeps is building a stroked B20B, and by chance (more like a mistake, actually) bought an oversided head from Japan. We're still trying to figure out the piston and cam choices, which sort of made me bring up this question.</blockquote>

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