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Chrylser 300C Oil

24 messages,  Last post on Mar 17, 2009 at 7:58 AM

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#22 of 24 Re: Chrylser 300C Oil [shipo] by smithed Jun 18, 2008 (11:34 am)
Replying to: shipo (Jun 18, 2008 10:33 am) Thanks for the technical information   I wonder if, in a vehicle that is lighter because of an aluminum engine of the same size, that might be more efficient, even if the engine is not as efficient taken by itself. Not arguing, just wondering. Replies to this message: shipo (Jun 18, 2008 1:04 pm)
#23 of 24 Re: Chrylser 300C Oil [smithed] by shipo Jun 18, 2008 (1:04 pm)
Replying to: smithed (Jun 18, 2008 11:34 am) Hmmm, well, if we lose the word "efficient" and replace it with "better power to weight ratio" and "better weight distribution", then yes, the car will have better performance in most areas. In fact, the case study that I referred to earlier is a good example of that. Two identical 1967 Corvettes, both with 427 cubic inch engines hooked to the rear end via the good old Muncie Rock Crusher 4-Speed manual transmission. The only difference was that one car had a conventional iron engine, and the other had an aluminum one. The lower powered ligher car was significantly faster on a tight race track (better braking, better/more neutral handling at the limit, quicker steering response), however, the heaver and higher powered car was faster in straight ahead acceleration (but not by much).   At least, that's how I recall the summation.   Best Regards, Shipo
#24 of 24 Re: Chrylser 300C Oil [shipo] by brit5 Mar 17, 2009 (7:58 am)
Replying to: shipo (Oct 27, 2006 4:51 am) Chrysler specifically recommends 5W20 not 0W20 -- period -- full stop -- the end

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