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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old October 13th, 2022, 01:10 AM
fritz fritz is offline
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Default compression 305 v6
Hello Gents,
tested the compression on my 1960 305 and it ranged from 105 to 115. Looked on the data page to see what it would have been originally and could not find any information. Can someone let me know what it should be?

thank you Fritz
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Old October 13th, 2022, 04:59 AM
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Funky61 Funky61 is offline
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Default Re: compression 305 v6
Found this Fritz
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Old October 13th, 2022, 06:29 AM
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AZKen AZKen is offline
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Default Re: compression 305 v6
Your motor is AOK.
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  #4  
Old October 13th, 2022, 12:37 PM
fritz fritz is offline
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Default Re: compression 305 v6
Funky and Ken thank you for the info.

Fritz
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