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I would recommend the factory fill M1 0W40 FS from Wal-Mart. It is ranked #7 on "the list". ;) https://540ratblog.wordpress.com/2013/06/20/motor-oil-wear-test-ranking/ Mobil 1 15W50?!?..... how about #191!! Too thick and poor protection.o_O Royal Purple 10W30?!?..... try #208!!:eek: If you...

I would recommend M1 0W40 FS from wal-mart. Best protection for your engine. It is ranked #7 on "the List" https://540ratblog.wordpress.com/2013/06/20/motor-oil-wear-test-ranking/ Mobil1 15W50?!?.... how about #191!! Too thick and poor protection. Royal Purple 10W30!?!?.... worse yet...

The best way to monitor all engine environment temperatures is an OBDII to App. KNOW your temperatures real-time while driving. https://www.autoguide.com/top-8-best-bluetooth-obd2-scanners Build spec on these trucks are the SAME regardless of region. They ALL have the heavy duty cooling system...

There is your first clue...."Issue began after 170 t-stat was installed" Even though the circumstances around it do support the condition, It is important to keep in mind that this engine was designed to run at @190. Any cooler and combustion temperature will be too low. This engine is NOT...

I would like to add some information for you to digest. All the years I had my 2005 RC here in Arizona, I NEVER had oil or coolant temperatures as high as yours. Like some other members have posted, I usually saw 190-200 deg. and maybe 210 on the hottest days with A/C on. My truck ran 0W40 M1 FS...

Keep in mind that the "scoop" in the hood is designed to let the hot engine bay air OUT at road speed. It is in a low pressure area. It also helps keep the front planted with the splitter and minimize the "parachute" effect at high speed. None of the aftermarket CAI are more effective than the...

How about a 426 "Hellephant" engine in a 1500 R/T with Devils eye 20" wheels and Brembo's. :eek: :cool:

Check the "Protection ranking List" to see where these oils land. Viscosity is a huge factor. https://540ratblog.wordpress.com/2013/06/20/motor-oil-wear-test-ranking/ Note: Mobil1 0W40 "FS" is still #7 ;), Royal Purple first shows up on the list in any form at #102!! :eek:, Havoline Synthetic...

Another vote for headers causing headaches. Glad you sorted out your problem.

Ummmm........ B&B

I just purchased a jug of 0W40 FS at Wal-Mart last Sunday.

It is bitter / sweet. Over time, it was becoming more stressful to own. To keep it maintained to perfection, clean as I expected it to be, paranoid that anything would happen to it down to even a window chip. I did not like that parts are getting rare and even if the cam shaft sensor would fail...

My favorite KILL List when I had my RC: -Any Hardly Ableson Ive come across. :cool: -1988 Honda Hurricane 1000cc. From a roll at freeway speed. Guy tapped the shifter and could not catch up. -2007 Audi S8 from a roll at freeway speed. I just kept going away. -C6 LS2 Corvette. 1/4 mile and from...

I used the SCT and Torrie from Unleashed assisted with the custom tunes. Cheers!

Good write up Ronnie! Help remind the guys that the ECU keeps the engine PIG RICH (under 11-1 A/F) above 4K to rev limiter. OEM safety cushion. Even after adding my full B&B with Hi-flow Cats, my A/F wideband showed the stock AND canned tunes were still fat at 11-1. ;) So even if you do not...

My experience with the UD pulley is contrary to the above statements. I live in Phoenix metro area and the UD pulley did NOT effect the cooling. If anything, it slowed down the flow off coolant through the radiator just a touch to INCREASE heat exchange. If your cooling system is up to snuff and...

Very IMPRESSIVE work. Great detail and engineering. Cheers!

Yes, I do agree that the stock set up performs best in dynamic conditions. Static Dyno results do not reflect real world conditions. Sure, big, goofy, shiny tubes with oversized, colored filter media create a wonderful placebo effect and additional intake noise. Lets think about the basics of...

Smart for this guy. Going back to stock set up will Improve performance over the Volant which is NOT a "Ram Air" system. The goofy scoop at the hood vent is in a low pressure area. The stock system actually recovers more air volume from the front grill block off scoop to the inner fender and...

Click on the link, hit the F3 key and a search bar will show up (usually at the bottom of the page). Copy the following EXACTLY: LIST” itself, begins here: Paste it into the search bar and hit the down arrow. That should put you at the start of the Ranking list. Cheers!