> >Dieselhead wrote: > > > > Modern machining allows all cyl to be the same within .001mm > > and the same for pistons. Process control (SPC) and better > > machines make this possible. It is the main reason why > > american engines routinely go 300k miles , not 40k to 120k as > > in the 60s.
> Mitch wrote: > > I thought it was partly due to better oil but mainly due to the > demise of carburetors and chokes, eliminating wash down of the > cylinder walls and reducing dilution of the oil. > Were the first TBI small block Chevy engines (which routinely > went 200k+) that much different from the 1950s versions? Maybe. I think the place to look is the mid 1980's. See if an '83 engine with a carburetor typically wore out sooner than an '86 with a TBI. My _guess_ is it's about the same. -- Philip, guessing with little data. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
