6066 (1960-1966) GMC Truck Club - compression 305 v6

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- - compression 305 v6 (https://6066gmcclub.com/showthread.php?t=51438)

fritz

October 13th, 2022 01:10 AM

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

Funky61

October 13th, 2022 04:59 AM

Re: compression 305 v6

1 Attachment(s)

Found this Fritz

AZKen

October 13th, 2022 06:29 AM

Re: compression 305 v6

Your motor is AOK.

fritz

October 13th, 2022 12:37 PM

Re: compression 305 v6

Funky and Ken thank you for the info.

Fritz

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