Hello sir! Current modification and maintenance performed: K&N drop in air filter stock airbox, Airaid throttle body spacer, Royal Purple 0w40 race oil since purchased w 11k miles, ceratec oil addetive, K&N oil filter, Oil Catchcan, Muffler and Resonator delete, 93 octane always chevron or Texaco w techron preferred, BG 44K fuel system cleaner every 10k, oil changes every 5k. Plan to keep the car as a forever car and wanted any advice you might offer as it is a Dodge, not your favorite. I plan to have a mild 93 octane tune performed to dial it in and disable the MDS system w the computer while tuning. That way we still have the eco tune but w/o cylinders dropping out to 4cyl mode in hopes that helps with the hemi lifter issues down the road. Also considering a high flow oil pump, people recommend a hellcat or melling pump and this helps with cars at idle. Supposedly at idle not enough pressure? Oil pump is affordable, but the labor is expensive and wanted your opinion on having that done. Car has plenty of power, thinking for longevity as I do drive ot hard. Is there anything else you recommend doing for this monster? Thank you sir! Appreciate what you do very much.
everything you mentioned is snake oil.
anything else you recommend
Throw the mods in the trash where they belong and just maintain your vehicle regularly
@imperator Charger Scatpack 392 2023, might be snake oil, it's possible, car reads out at 517hp on the in board dyno from the stock 485hp at peak, seems to breathe better without all that oil vapor after the catchcan. Produces approx 4 to 6 ounces of oil in 2k miles in the can
you asked how to get longevity, not better quarter mile time. You got your answer.
Thought I had it listed as the topic, it's the Charger Scatpack 392, recommended viscosity is 0w40
If 0W-40 is the recommended oil, you either got a defective oil pump when they first built the engine itself, or it's a design flaw and MOPAR hasn't done anything to rectify it. I think it's most likely the latter. They've had lubrication problems for many years on Hemi V8s when idling:
https://youtu.be/SYOXIu3Lj7A?si=4fkL4UKccGbW_sg-
https://youtu.be/hp-3JoO8Rdg?si=glFEpJSWEiRS4Qgr
They didn't make the oil pump properly and they won't fix it. Apparently, their engineers haven't been bothered enough over all these years to make adjustments to the oil pump so it will lubricate better and it's bad engineering. Chrysler Dodge and Jeep, as well as Fiat, were bought out by Peugeot, forming Stellantis. Scotty loves calling them the Three Stooges in automobile manufacturing because of things like this.
I really can't get through that dense block of text and have little idea of what the issue is with this car, something about that engine having low oil pressure at idle?
Royal Purple 0w40 race oil since purchased w 11k miles,
You never mentioned anything at all about your make and model car, other than it was made by Dodge. I'm going to assume it's a Dodge Challenger with a Hemi V8.
I highly doubt this car was intended for 0W-40 oil. Check the owner's manual for what's required.
At that vehicle's operating temperature, it has the viscosity equivalent of a 40-weight oil. My 1979 Pontiac Catalina uses 40-weight oil because there's no overdrive and I drive on the highway frequently. Unless you're driving some ancient thing from the '70s, that car has overdrive, which completely negates having to use high viscosity oil. Even if you constantly push your 0-60 time, you're more than likely not demanding full power (extremely high RPMs) from the engine all the time. You could also mess with the engine's variable valve timing, which is run by computer and has been programmed for use with the stock oil only.
Deviating from the specific oil required by your engine will shorten your engine's life.
Supposedly at idle not enough pressure?
Your engine is not designed for 40-weight oil. At idle, the oil is too thick for the oil pump to handle and is causing low oil pressure.
That way we still have the eco tune but w/o cylinders dropping out to 4cyl mode in hopes that helps with the hemi lifter issues down the road.
40-weight oil will inevitably cause lifter issues sooner. Change the oil to what is specified by your owner's manual.
@justin-shepherd Thought I had it listed as the topic, it's the Charger Scatpack 392, recommended viscosity is 0w40
