Saying can't in the world of cars is a big, well, no-no. There's always, almost, an exception. How about the 4" bore 4.0L based stroker that's reported to be at 150,000 miles! IIRC, It's not sleeved either! They did sonic check several blocks to find one that would go to 4" though. -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 " I was different before people dared to be different" -------------- Original message ---------------------- From: "John Elle" <johnelle@xxxxxxxxx> > Frank > > SNIP > You can't bore a 290/304 out to 343/360 dimensions and expect it to last > and etc. > SNIP > > The statement that you can't do this, does not conform to the generally > > accepted story of the Service Replacement Block which is un-marked > as to the size, as it is stored unfinished, but understood to be > machined > to the appropriate dimensions as needed for warranty repairs. There > must be some fudging around capability as manufactured, although it very > well may depend on what year one is talking about. > John > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > http://www.amc-list.com/pipermail/amc-list/attachments/20070729/56f9212f/attachm > ent.htm > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list