Piston dome.

Old 11-17-2009, 05:38 AM
  #1  
wmeabates
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Default Piston dome.

If I remove 10 gr.weight from the dome of a 2618 piston what would the change be in dome cc.Thanks Bill Bates.
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Old 11-17-2009, 07:35 AM
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zipper06
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That's almost impossible to caculate due to the configuration of the dome shape. The only acurate way is to make a reverse cup and CC it before and after.

Zip.
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Old 11-17-2009, 08:03 AM
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wmeabates
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Hi Zip, I might have asked that the wrong way.What I would like to know is how much 1 cc of 2618 aluminum weighs.Say 1 cc=5 gr.I can do work to the top of a piston and know by the weight differance before and after what I removed in cc.It's easyer for me to check weight than dome cc. How's the 434 doing.Bill Bates.
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Old 11-17-2009, 11:44 AM
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zipper06
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That makes it easier, it's 2.6 to 2.8 grams per CC of 2618 alum.

The 434" is ready to drop in, i was just waiting for the end of the season. I've got to make some changes in my motor mounts and front plate due to the 2" to 2 1/8 step headers, in fact i have to cut the stock motor mounts off the chassis to clear the headers. They are Lemons and i don't want to beat up a $1400.00 set of headers.

Zip.
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Old 11-17-2009, 06:50 PM
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wmeabates
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Thanks Zip that's what I was looking for.I hear you on the Lemons,nice headers.Bill Bates.
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