How do you know if a 66 289 is a HI PO or not? - Ford Truck Enthusiasts Forums



How do you know if a 66 289 is a HI PO or not?

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Old 05-16-2009, 05:35 PM
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How do you know if a 66 289 is a HI PO or not?

Hello,
I am out of my normal domain on this small block. I just picked up a C5 block, C8 4V intake and 66 heads that say 289 with angle plugs.

My question is how to identify a HI PO 289, is mine ?

Thanks,
Kevin Bigwin
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Old 05-16-2009, 09:58 PM
Beechkid Beechkid is offline
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The A, C, D code engines have hydraulic lifters & vacume distributors. The K codes have solid lifters & duel point mechanical distributors.
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Old 05-16-2009, 10:11 PM
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There should be a counter weight between the dampner and the crank sprocket if it is indeed a real K motor.
-Johnboy
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Old 05-17-2009, 12:38 AM
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Also on the HIPO heads, they had screw in rocker studs. The others had pressed in studs like my 289 heads on my 302.
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Old 05-18-2009, 05:30 PM
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Also beefier main caps
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Old 05-18-2009, 06:11 PM
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And 3/8s rod bolts in most cases....
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Old 05-19-2009, 11:52 AM
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Thanks for the replies, Its NOT a HI PO. Oh well !

Thanks Kevin Bigwin
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Old 05-19-2009, 03:05 PM
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Still a good engine with lots of potential. 200, 250, 300 or more hp depending on your budget. Note the Hi-po motors were gross rated at 271 hp, so net they were probably 230 or so net.
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Old 05-19-2009, 05:46 PM
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I like mine
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