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049 piston lightening Empty 049 piston lightening

Post  James clive Fri Jul 16, 2021 9:33 pm

Hi all
Anyone tell me the correct piston lightening dimensions
I have depth of lightening depth .150 width .008 do these
Sound about right
Thanks all
James clive
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049 piston lightening Empty Re: 049 piston lightening

Post  getback Sat Jul 17, 2021 6:56 am

Here you go James did a search within the forum with your words and found this old post ,, read all of it before going at it ... https://www.coxengineforum.com/t4279-lightening-a-piston-using-common-tools?highlight=piston+lightening Very Happy Very Happy Very Happy
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049 piston lightening Empty Re: 049 piston lightening

Post  crankbndr Sat Jul 17, 2021 9:02 am

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049 piston lightening Empty Piston lightening

Post  James clive Sat Jul 17, 2021 6:53 pm

Thanks crankbndr & get back that gives me a depth of
.193 & wall thickness of .015 i have a lathewill make a mandrel
From delrin to hold the piston all too easy
Thanks
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