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Offline Trevor Hume

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More power
« on: August 19, 2015, 10:24:38 pm »
What has more power, a 16 hp vanguard twin or a 18 hp flathead oppy

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Offline chavez

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Re: More power
« Reply #1 on: August 19, 2015, 11:52:30 pm »
Stock.....16<18....easy. Modified no way to tell without knowing each build.  Will say the oppy is heavier...
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Offline berthyd

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Re: More power
« Reply #2 on: August 20, 2015, 10:52:28 am »
Factory horse power ratings mean nothing. An OHV engine will generally have more potential,  and a V configuration will generally be better than an opposed. The 16hp Vanny is short on displacement, though. Only 30 cid.

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Offline rotten ron

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Re: More power
« Reply #3 on: September 14, 2015, 05:57:08 pm »
With 23 hp heads with a good port job and nice valves and about 14 to 1 compression you could probably get 2 hp per cubic inch.You can't do that with an opposed,not even if your Rooster
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