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Chrylser 300C Oil

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

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What is this discussion about? Chrysler 300C SRT-8, Sedan


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#1 of 24
Chrylser 300C Oil by hemied
Oct 27, 2006 (4:09 am)
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Any ideas of a good oil to use in the 5.7L Hemi?
Regular or Synthetic and a good brand name?
#2 of 24
Re: Chrylser 300C Oil [hemied] by shipo
Oct 27, 2006 (4:51 am)
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Replying to: hemied (Oct 27, 2006 4:09 am)

It is my understanding that the MDS Hemi was designed for 0W-20. Period, full stop, the end. Apparently if any other weight of oil is used the valve scheme that causes the MDS operation will simply not work. Disclaimer: I don't have a car with a Hemi (yet) but I have read the above enough times to suspect that it is true.
 
So, operating upon the above factoid, I would only go with a full synthetic oil as there is no way I would trust a conventional (or even semi-synthetic for that matter) 0W-20 oil. Specific to the brand, I've been using Mobil 1 (which can be had as a 0W-20) for over twenty years and been impressed with the longevity of my engines (and turbochargers when I've had engines with forced induction) as well as the incredible internal engine cleanliness that Mobil 1 seems to foster. Granted I've never used 0W-20 and that my experience is anecdotal, however, if you check around you will find volumes of data that support what I've said.
 
Let us know what you decide.
 
Best Regards,
Shipo
#3 of 24
Re: Chrylser 300C Oil [shipo] by hemied
Oct 27, 2006 (6:17 pm)
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Replying to: shipo (Oct 27, 2006 4:51 am)

Shipo,
Thanks for the immediate response. I have been doing some research on synthetics. I have a 92 Vette that calls for Mobil 1 in the user manual. I have had no problems with it. I am leaning towards the Mobil 1 5W-20W that is what the manual calls for. It takes 7 quarts. I never heard of that in a passenger car. A little costly but I do my own oil changes and so it won't be too bad Thanks again.
Hemied
#4 of 24
Re: Chrylser 300C Oil [hemied] by shipo
Oct 27, 2006 (7:29 pm)
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Replying to: hemied (Oct 27, 2006 6:17 pm)

"I am leaning towards the Mobil 1 5W-20W that is what the manual calls for. It takes 7 quarts. I never heard of that in a passenger car. A little costly but I do my own oil changes and so it won't be too bad."
 
Both of my six cylinder BMWs called for 7 quarts, I believe there are a few Mercedes-Benz cars that need more as do some (all?) Porsches. I wouldn't be at all surprised to see more cars adopt a larger oil sump as folks want longer and longer maintenance intervals on their new cars.
 
Best Regards,
Shipo
#5 of 24
Purpose of Oil flush?? by vic10
Oct 30, 2006 (11:15 am)
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Have no idea what kind of oil the dealer has in the car, but have been thinking of switching to a synthetic. I noticed in the maintenance schedule that somewhere around 40K (mine has 26K) there is an "oil flush", not just an oil change, scheduled. Would probably be a good time to change. But, why the flush in the first place. Those MDS passages get gummed up??
#6 of 24
Re: Chrylser 300C Oil [shipo] by coolrunning
Mar 16, 2008 (2:59 am)
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Replying to: shipo (Oct 27, 2006 7:29 pm)

I switched to synthetic on my first oil change. I made sure it was a full synthetic (not a blend), and yes it does take a full seven quarts to fill my 5.7 HEMI. I have experienced no problems at all, and if anything, I believe the engine is quieter at cold idle than it was with the hydrocarbon based lubricant. I never fret much about what it costs because I believe it is the best insurance policy you can buy for your engine. Just for the sake of curiosity, I asked the parts guys at the dealership what it would cost to replace my engine if it blew up someday. They said it would be around $12,000 in the crate. Installation not included. I'll gladly pay the $70 every six months for the best lubricant I can get for my engine.
#7 of 24
Re: Chrylser 300C Oil [coolrunning] by shipo
Mar 16, 2008 (5:06 am)
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Replying to: coolrunning (Mar 16, 2008 2:59 am)

You've got to kidding me, $12,000 for a crate engine? I think your parts guy was exaggerating a tad. FWIW, I just checked http://www.dodgeparts.com and found that a new short block 5.7 liter Hemi can be had for $1,365, a new set of heads run $440, and a gasket set to slap it all together is $170. The grand total for those parts is less than $2,000, and I'm sure that the labor to mount the heads, manifolds, oil pan, valve covers, fuel injection and electronics cannot possibly be another $10,000.
 
Hmmm, I've been toying with the idea of buying an old 1967 Cuda and dropping in one of the new Hemis, and your comments got me to thinking. I just looked up what the Mopar Direct Connection folks are getting for crate Hemis for use in vintage cars, and their complete fuel-injected "Plug and Play" crate motor (meaning that all of the engine management electronics and wiring harnesses are included as well) ,part number P4510593, can be had for only $7,500. Not too shabby.
 
Best Regards,
Shipo
#8 of 24
Re: Chrylser 300C Oil [shipo] by coolrunning
Mar 25, 2008 (10:54 am)
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Replying to: shipo (Mar 16, 2008 5:06 am)

I'll bet the new HEMI would be an incredible upgrade for your Cuda. I wonder what you would need to get the MDS system to work. The 5.7L MDS engine has computers for the fuel manahement system, MDS, and the transmission. There are additional computers for the emissions sytems, traction control, antilock brakes, etc.. I would consider the 6.1L HEMI (non-MDS) for your Cuda and mate the Mercedes 5 speed tranny to it. The new HEMI engines are all aluminum and extremely efficient compared to the old originals. I would rather have a new stock HEMI that runs on all available fuel, than one of those performance "race" engine builder specials that you can't find high octane fuel to feed. Plan "B" would be, break the piggy bank and buy a new Dodge Challenger!
#9 of 24
Re: Chrylser 300C Oil [coolrunning] by shipo
Mar 25, 2008 (12:14 pm)
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Replying to: coolrunning (Mar 25, 2008 10:54 am)

I don't believe that the 5.7 liter Direct Connection Hemi does the MDS thing, although I could be wrong. The way I understand it, the D-C engine comes with all of the electronics that are needed to retrofit it to an older Mopar vehicle and get the engine running, however, no heavy emmissions controls and no MDC. Personally I'm thinking that the 5.7 will be more than enough engine for a car that should weigh in at less than 3,000 pounds, so I won't bother with the 6.1.
 
Regarding the transmissions; I've never learned how to drive an automatic, so I'll have to stick with the New Process 4-Speed.
 
Best Regards,
Shipo
#10 of 24
Re: Chrylser 300C Oil [coolrunning] by xtec
Mar 25, 2008 (2:45 pm)
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Replying to: coolrunning (Mar 25, 2008 10:54 am)

If you choose a standard tranny,there is no MDS.The new Challengers with standards have no MDS.Automatics,the MDS is standard equipment.

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