Dustin don't know anything about a 24 or a 270 but if you bore a 248 to a
270 where does this leave your wall thickness? And does it leave any room
for the next rebuild? Just me thinking about something I know nothing about!
:>)
Jeff Davis
'51 custom
>From: CLLLSLS@aol.com
>Reply-To: CLLLSLS@aol.com
>To: oletrucks@autox.team.net
>Subject: [oletrucks] Oops! My 270's a boat anchor! (was happy update)
>Date: Fri, 18 Feb 2000 23:21:00 EST
>
>Running a rag through the piston bores after I got all the pistons out
>today.
>Got to #6 piston and, oops, there's a crack going nearly from the deck and
>almost to the bottom on the side of the cylinder. My machine shop says they
>can sleeve it as long as it doesn't extend into the deck and it doesn't go
>beyond the bottom.
>
>But I got to thinking. I don't really want a sleeved block. Especially in a
>motor that's going to be heavily used and turbocharged like this one.
>So....I
>need another 270 block-right? I'm thinking maybe not.
>
>What if I have the 248 I was replacing with this 270 bored .0625" over
>standard bringing it to 270 standard bore. I can put the 270 crank in it
>and
>use standard bore 270 pistons. Viola! Instant 270!
>
>Will this work, or are there problems with a 270 crank in the 248 block?
>
>Pulled the 248 tonight and gonna tear into it in the morning. Sure hope
>it's
>good.
>
>Dustin
>50 & 53 GMC 1/2 tons
>48 GMC 3/4 ton
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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