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330 High comp piston photo anyone?

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Old April 14th, 2013, 11:20 AM
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330 High comp piston photo anyone?
Does anyone have a photo of a hc piston out of a 330 olds?
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Old April 14th, 2013, 01:03 PM
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330 Hi Comp Piston
I pulled this out of a 67 330, 4bbl Car, so I would say it's High Compression.
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Olds 330 Enighe Parts (4).jpg (68.3 KB, 50 views)
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Old April 14th, 2013, 01:16 PM
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Here's how the '65 CSM shows it - Low-Comp have a U-shaped notch, Hi-Comp have a V-shaped notch.



- Eric
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1965 Olds Piston Crowns.jpg (72.1 KB, 113 views)
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Old April 14th, 2013, 01:24 PM
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So, the picture i posted is indeed a HC Piston.
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Old April 14th, 2013, 01:58 PM
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Originally Posted by 65B01Delta
So, the picture i posted is indeed a HC Piston.
The dish looks like one to me.

The photo is angled so it's impossible to see the shape of the groove, so I can't say it is 100%, but I assume you can verify that it is V-shaped.

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Old April 14th, 2013, 05:01 PM
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looks like HC
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Old April 14th, 2013, 05:02 PM
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If your looking for pistons I have nice 400 E block flat tops. You can bore the 330 to 4" and make a nice little motor with good compression. Comes out to 340 cubes.
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Old April 14th, 2013, 06:35 PM
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300 High Compression Piston Picture
Ok.... Here's a better picture of a 67 330 Olds High Compression piston.

V shaped.....
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Old April 14th, 2013, 06:54 PM
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Yup. High compression. No doubt.

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