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L-350 max overbore?
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Mackey58
Posted 2018-09-02 4:36 PM (#569451)
Subject: L-350 max overbore?


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Posts: 21

Location: port leyden ny
My original block has major wear. It may need sleeves. What is the biggest I can go?
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Mopar1
Posted 2018-09-02 9:33 PM (#569469 - in reply to #569451)
Subject: Re: L-350 max overbore?



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Sonic check
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56D500boy
Posted 2018-09-02 11:05 PM (#569477 - in reply to #569451)
Subject: RE: L-350 max overbore?



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Mackey58 - 2018-09-02 4:36 PM
My original block has major wear. It may need sleeves. What is the biggest I can go?


Based on the factory parts list, they only thought 0.040 over but that was them. See below:





(58PlymouthOverSizedPistons.jpg)



Attachments
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Attachments 58PlymouthOverSizedPistons.jpg (218KB - 20 downloads)
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57chizler
Posted 2018-09-03 2:44 PM (#569531 - in reply to #569451)
Subject: RE: L-350 max overbore?



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Mackey58 - 2018-09-02 1:36 PM

My original block has major wear. It may need sleeves. What is the biggest I can go?


Major wear on the original bore or major wear on an oversize bore? Standard bore 361 pistons are .0625" over the 350 but large overbores are risky without sonic testing.
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