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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: usmcchevy on May 01, 2006, 08:43:00 pm

Title: 250, .60 over = ?
Post by: usmcchevy on May 01, 2006, 08:43:00 pm

what is the cubic inches of my 250 straight 6 bored .060 over?

Title: Re: 250, .60 over = ?
Post by: 123 pugsy on May 01, 2006, 07:57:00 pm

Should be 257.57 c.i.

Title: Re: 250, .60 over = ?
Post by: Lt.Del on May 02, 2006, 08:08:00 am

.60 over?  wow, that's a huge hole.  

Title: Re: 250, .60 over = ?
Post by: usmcchevy on May 02, 2006, 02:07:00 pm

yup, it had a big ridge on top due to the fact the previous owner never changed oil.