6.1L Questions

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6.1L Questions - 11/2/2006 7:51:11 PM    higg13001   Posts: 8 Joined: 11/2/2006 Status: offline Two questions regarding my Charger SRT8: 1.) To maintain the warranty, am I required to have it serviced (i.e. oil changes) at the Dodge dealership? I'd prefer to change the oil myself and just keep a maintenance log. 2.) My 6.1 seems to run hot, about 220+ deg. at times. Is this normal? If so, can I install a cooler thermostat without changing the computer? Thumbnail Image Attachment (1) Post #: 1

RE: 6.1L Questions - 11/3/2006 10:35:25 AM    prpaster Posts: 169 Joined: 10/18/2006 Status: offline 1) Is no (in reply to higg13001) Post #: 2

RE: 6.1L Questions - 11/3/2006 11:58:49 AM    higg13001   Posts: 8 Joined: 11/2/2006 Status: offline Thanks! When I bought the car the dealership said I did. (in reply to prpaster) Post #: 3

RE: 6.1L Questions - 11/3/2006 6:28:40 PM    MagnumSRT8   Posts: 9 Joined: 10/14/2006 Status: offline Re: 1) As long as your SRT8 is maintained per the recommendations in your owners manual & service log, your warantee status should be fine. It would be a real good idea to use your service log to keep a record of your service & keep applicable receipts in case DaimlerChrysler is looking for a way out of honoring the warrantee at some time in the future. 2) Both the oil temp & the coolant temp seem to stay right around 220 deg when my SRT8 is fully warmed up. Unless you have a specific reason that you want temps in someother range, I recommend sticking with the way the designers intended. Denny (in reply to higg13001) Post #: 4

RE: 6.1L Questions - 11/4/2006 1:35:11 PM    bmdmc   Posts: 41 Joined: 7/30/2006 Status: offline I found a simple way to make the engine run cooler. Install an Airaid cold air intake kit. My engine temps dropped by about 15 degress just with that. And you get the add horsepower just becuase the car breaths better. (in reply to MagnumSRT8) Post #: 5

RE: 6.1L Questions - 11/6/2006 12:37:28 PM    higg13001   Posts: 8 Joined: 11/2/2006 Status: offline Great, thanks! (in reply to MagnumSRT8) Post #: 6

RE: 6.1L Questions - 11/7/2006 11:50:50 PM    Mullens   Posts: 25 Joined: 7/13/2006 Status: offline I agree with Denny. I read a post where someone asked one of the SRT8 engineers why the 6.1 runs so hot, and they replied that the engine is designed to run at 215 deg, so I wouldn't mess with that. Mine also runs between 205-220, and I live in the NV desert. Also, I put a K&N CAI on it. It definitely made a difference in throttle response and sound, but the car doesn't run any cooler. < Message edited by Mullens -- 11/7/2006 11:52:16 PM > (in reply to higg13001) Post #: 7

RE: 6.1L Questions - 12/17/2006 12:51:08 PM    bmdmc   Posts: 41 Joined: 7/30/2006 Status: offline Any CAI kit will allow the car to run cooler, I just happen to use the Air-Raid kit.  Instead of running that cool air over the engine it goes into the engine.  Now I'm talking a CSRT8, not a magnum.  More cold air in the cooler the engine runs, just a fact of physics.  And if it happens to be raining, wow I get water cooling too. (in reply to Mullens) Post #: 8

RE: 6.1L Questions - 1/1/2007 10:06:18 PM    Blaze560   Posts: 14 Joined: 1/1/2007 Status: offline Jet performance recommends a 180 degree thermostate if you install a stage 2 module. (in reply to higg13001) Post #: 9

RE: 6.1L Questions - 2/7/2008 2:09:22 PM    MrC1 Posts: 34 Joined: 1/2/2008 Status: offline quote: ORIGINAL: bmdmc Any CAI kit will allow the car to run cooler, I just happen to use the Air-Raid kit.  Instead of running that cool air over the engine it goes into the engine.  Now I'm talking a CSRT8, not a magnum.  More cold air in the cooler the engine runs, just a fact of physics.  And if it happens to be raining, wow I get water cooling too. Not really.  That's why there's a thermostat. If you make a change (like running without a hood in the rain) that provides more engine cooling, the thermostat will just close a little to keep the coolant temp at the same place. (in reply to bmdmc) Post #: 10

RE: 6.1L Questions - 3/20/2008 1:12:40 PM    uglyman8   Posts: 14 Joined: 3/18/2008 Status: offline I installed a 170 thermo and boy it throws codes!!  I have a Diablo tuner and they said that there is a fix in the works.  There is a very big difference when at the track and your running a 170 deg engine versus the 215 deg.  it runs smoother and revs quicker.  Its like havning a different vehicle.  my trap speed is up to 109 versus the 104 stock.  I like it!! (in reply to MrC1) Post #: 11

RE: 6.1L Questions - 3/21/2008 1:18:13 PM    MrC1 Posts: 34 Joined: 1/2/2008 Status: offline I installed a 195* stat this morning and the light went off in about 15 minutes.  It still runs cooler than stock, just not quite as cool at it did before.  It's now at about 1/4 of the gauge instead of 1/8. < Message edited by MrC1 -- 3/21/2008 1:35:53 PM > _____________________________ 1970 Dodge Challenger 440-4bbl-4sp (the toy) 1972 Chevy C20 Pickup 2000 Buick Regal GS (the beater) 2001 Ford Mustang GT (ex-daily driver) 2007 Dodge Charger SRT-8 (daily driver) (in reply to uglyman8) Post #: 12

RE: 6.1L Questions - 3/21/2008 1:26:10 PM    uglyman8   Posts: 14 Joined: 3/18/2008 Status: offline When I went looking for thermostats I could only locate the 185 and the 170.  The stock is 203.  Mine is still throwing codes about the termal temp too low.  Diablo is working on it now and should have a fix soon.  Im hitting the trak tomorrow and hope to break 12's.  My last pass was 13.08.  I broke out of my dial in and didnt get anymore runs.  Really ruined my day!!  I hope to better that tomorrow!! Also planning a cam/spring swap soon.  Trying to wait for the warrenty to expire but its eating me alive!!  (in reply to MrC1) Post #: 13

RE: 6.1L Questions - 3/26/2008 4:50:35 PM    mathew778   Posts: 4 Joined: 3/26/2008 Status: offline i installed a 180 degre stat and it runs fine and alot smoother. it will not void your warranty (in reply to uglyman8) Post #: 14

RE: 6.1L Questions - 4/6/2008 3:04:36 PM    1BADSRT8   Posts: 7 Joined: 10/24/2007 Status: offline To answer the 1st question I would refer you to look up the Magnuson-Moss Warranty Act. Simply put, it states that any Manufacturer that requires you to have them provide any service to maintain your warranty, must then provide that service free of charge. So you can have your transmission service performed anyware as long as the fluid used meets the Manufacture specifications. If the Dealership is saying that to keep your warranty in effect that they must do all the service, I would call them on it. The 2nd Question, I too have thought about trying a cooler thermostate but after reading what the SRT engineers stated in their Chat session I just left it alone. (in reply to higg13001) Post #: 15

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