Re: [Amc-list] Synthetic vs Conventional

[msproviero@xxxxxxxxxxx]

Its not exactly a "break-in", but there are dyno tests performed on every car by some of the OEM's at the end of the assembly lines these days.  My last job frequently took me inside the Ford Wixom plant where they made a variety of cars.  It would always make me cringe to see all the new Lincoln LS's being tested as they are driven off the end of the line.


-Spro

-------------- Original message -------------- 
From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker) 

> " From: David Crooks 
> " 
> " 
> " Engine break in: There's been a lot of stuff written about using 
> " conventional oil during the break in period. The counter point is that 
> " some of the most exotic motors come with synthetic from the factory... 
> 
> they might be pre-broken-in. it's possible today to make engines that 
> require little break-in time, and they might be running them on test 
> stands before installing them in cars; lincoln did this back in the 
> early '60s - 2h on -every- 430, incl. 30m at full throttle. those 
> cars would regularly go 250000mi without touching the engihe. even 
> more remarkable considering the inattention they likely got and the 
> oils of the day. 
> 
> " Personally, I believe it makes some economic sense to use conventional 
> " for the first couple of changes, when you're changing it on really short 
> " intervals, but if you've money to burn, I see no reason you couldn't use 
> " synthetic from day one. 
> 
> i've heard that synthetics are too slippery to allow proper break-in 
> wear. 
> ________________________________________________________________________ 
> Andrew Hay the genius nature 
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