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Author Topic: horsepower  (Read 3925 times)

csittko

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horsepower
« on: July 21, 2009, 10:17:17 AM »
How does one find out the horsepower of there 9n, any description on block, etc
« Last Edit: July 21, 2009, 10:19:28 AM by csittko »
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lha

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Re: horsepower
« Reply #1 on: July 24, 2009, 07:23:08 PM »
about 20hp more or less for some reason 8n has about 23
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Pete P.

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Re: horsepower
« Reply #2 on: July 27, 2009, 02:35:52 PM »
Per original Ford literature, the 9N is 23.87 belt HP max, rated belt HP = 20.29.   The 2N is same.  The I&T shop manual lists 9N & 2N at 23.6 HP max belt, 16.3 HP max drawbar and the 8N at 27.3 HP max belt, 23.2 HP max drawbar.  Sorry, don't have original Ford specs for 8N and don't know why Ford data is slightly off from I&T. 

The 8N is more powerful because the compression ratio for later 8Ns is 6.5 : 1 compared to the original 6.0 : 1.

Hope this helps,

Pete P.
Harborcreek, Penna.
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