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My 2 cents...worth 1.2 cents American
By John - 11/06/2001 5:31:14 PM; IP 142.177.55.94
First...sleeving...It weakens the block incredibly if done on all 8 cylinders I am told. Sleeving is meant to be a repair for a single cylinder due to unusual damage and should be limited to one sleeve per cylinder bank.

Second....Sonic Checking...Yes, by all means have this done...then you can go "offset bore" the little bugger. But what do the actual results mean? Just remember....no one has ever set "exact limits" on the actual thickness that should be OK. It would be impossible anyway as different HP levels command different wall thicknesses. I hear Chev guys say 0.125" min wall thickness, but most FE's will be well under 0.100" and be OK.

So...what to do...here's a few options that make sense to me:

Option 1/ Bore 0.040" over as you intend...after all, that's only 0.005" thinner than what you had before which worked fine..er....did it? I guess so...you didn't mention any cracks in the block.

Option 2/ Get another block...hey, a 390 block is easy to find...some will bore out OK, but usually not. If it will, you can reuse your pistons...ooops...not such a good idea, they arn't stock, but already 0.030" over,... so obtain 410 pistons and overbore the 390 to 0.030". You probably won't notice the difference between a 410 and a 428 in a street car unless you intend to race it.

Option 3/ forget about the 428 problems....spend the money on a tweaked out 390 and sell me the 428 crank cheap!....chuckle! (not such a bad idea actually)

OK...I have to tell 1 joke seeing you are from Australia......What do you get when you cross a mink with a kangaroo?

A fur coat with pockets!

(learned that one in grade 3, but I also learned that you spell it "know" vs "no" ...hehehe..yes, I make lots of typo's too.....chuckle)

John (a Shoe wannabe.....lol.....not really, I just like cars and engines and think the general consensus about Chevy small blocks is for lemmings who follow each other over the cliff)
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=9096&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9096" onclick="return false;">428 cj bore size maximum?</a>&nbsp;-- <font color=#0000ff>peter, <i>11/04/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9096', contentMargin: 60, icon: $('anchor9096') }); </script>  428 cj bore size maximum? -- peter, 11/04/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9099&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9099" onclick="return false;">RE: 428 cj bore size maximum?</a>&nbsp;-- <font color=#0000ff>Mel Clark, <i>11/04/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9099', contentMargin: 60, icon: $('anchor9099') }); </script>  RE: 428 cj bore size maximum? -- Mel Clark, 11/04/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9103&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9103" onclick="return false;">RE: 428 cj bore size maximum?</a>&nbsp;-- <font color=#0000ff>peter, <i>11/04/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9103', contentMargin: 60, icon: $('anchor9103') }); </script>  RE: 428 cj bore size maximum? -- peter, 11/04/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9109&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9109" onclick="return false;">Check the back of the block.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>11/05/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9109', contentMargin: 60, icon: $('anchor9109') }); </script>  Check the back of the block. -- Dave Shoe, 11/05/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9112&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9112" onclick="return false;">RE: Check the back of the block.</a>&nbsp;-- <font color=#0000ff>peter, <i>11/05/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9112', contentMargin: 60, icon: $('anchor9112') }); </script>  RE: Check the back of the block. -- peter, 11/05/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9134&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9134" onclick="return false;">RE: Check the back of the block.</a>&nbsp;-- <font color=#0000ff>Hugo, <i>11/06/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9134', contentMargin: 60, icon: $('anchor9134') }); </script>  RE: Check the back of the block. -- Hugo, 11/06/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9135&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9135" onclick="return false;">RE: Check the back of the block.</a>&nbsp;-- <font color=#0000ff>peter, <i>11/06/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9135', contentMargin: 60, icon: $('anchor9135') }); </script>  RE: Check the back of the block. -- peter, 11/06/2001
Collapse <a href=../ForumFE/reply.aspx?ID=9137&Reply=9096><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor9137" onclick="return false;">RE: Check the back of the block.</a>&nbsp;-- <font color=#0000ff>Bob, <i>11/06/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=9137', contentMargin: 60, icon: $('anchor9137') }); </script>  RE: Check the back of the block. -- Bob, 11/06/2001
Collapse <b>My 2 cents...worth 1.2 cents American</b>&nbsp;-- <font color=#0000ff>John, <i>11/06/2001</i></font>My 2 cents...worth 1.2 cents American -- John, 11/06/2001
 RE: My 2 cents...worth 1.2 cents American -- peter, 11/07/2001
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