- #5 of 24
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Purpose of Oil flush??
by vic10
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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??
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- #6 of 24
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Re: Chrylser 300C Oil [shipo]
by coolrunning
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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.
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- #7 of 24
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Re: Chrylser 300C Oil [coolrunning]
by shipo
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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
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- #8 of 24
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Re: Chrylser 300C Oil [shipo]
by coolrunning
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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!
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- #9 of 24
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Re: Chrylser 300C Oil [coolrunning]
by shipo
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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
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- #10 of 24
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Re: Chrylser 300C Oil [coolrunning]
by xtec
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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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- #11 of 24
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Re: Chrylser 300C Oil [xtec]
by shipo
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Mar 25, 2008 (4:02 pm)
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Replying to: xtec (Mar 25, 2008 2:45 pm)
Like I said before, my understanding is that the Direct Connection "Crate" motors DO NOT have MDS, regardless of which transmission they're hooked to.
I do like the specs though, 360 HP and 360 lb-ft of torque out of the box. Not too shabby.
http://www.mopar.com/muscle/whatshot1002.htm
Best Regards,
Shipo
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- #12 of 24
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Re: Chrylser 300C Oil [shipo]
by xtec
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Mar 25, 2008 (6:49 pm)
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Replying to: shipo (Mar 25, 2008 4:02 pm)
The '09 Hemi will be 375 horse better yet.
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- #13 of 24
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Re: Chrylser 300C Oil [xtec]
by shipo
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Mar 25, 2008 (8:15 pm)
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Replying to: xtec (Mar 25, 2008 6:49 pm)
Nice. I wonder if that extra power will find its way into the crate motors.
Best Regards,
Shipo
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- #14 of 24
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JOHN
by jloiacono
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Jun 06, 2008 (9:22 pm)
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I HAVE AN 06 CHRY HEMI 5.7. I ONLY USE ROYAL PURPLE 5 W 20. SMOOTHER IDLE WHEN COLD---STARTS EASIER--GREAT STUFF
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