Driven GP1 vs DT in 1,200 HP Hellcat running E-85

[JoshyMania]

Looking for some insight from those of you much wiser on this topic then me. I’ve got a 2015 challenger hellcat making a little over 1200whp on e85. I’ve been running Driven DT50 as per recommendation from a user on here with a lot of knowledge in driven oils and haven’t had any issues. But I’m currently at the PRI show and talking to the guys at driven they say no matter what with e85 I should be using GP1. They didn’t really care to elaborate why but that’s what they said. This is mostly a street car but doesn’t get driven a whole lot. Maybe 1-2k miles a year.

I’d love to hear what your guys take on this is. Maybe @RDY4WAR has some opinions here? Thanks.

 

[02SE]

I'm running Redline 10w60 in my forced induction Viper ACR. It's a relatively mild setup producing 1100 hp and torque on pump gas, still with a strengthened TR6060 Transmission.

On E85 I would be watching for fuel dilution of the oil, especially if you're only driving short distances each time it's driven.

 

[FZ1]

Looking for some insight from those of you much wiser on this topic then me. I’ve got a 2015 challenger hellcat making a little over 1200whp on e85. I’ve been running Driven DT50 as per recommendation from a user on here with a lot of knowledge in driven oils and haven’t had any issues. But I’m currently at the PRI show and talking to the guys at driven they say no matter what with e85 I should be using GP1. They didn’t really care to elaborate why but that’s what they said. This is mostly a street car but doesn’t get driven a whole lot. Maybe 1-2k miles a year.

I’d love to hear what your guys take on this is. Maybe @RDY4WAR has some opinions here? Thanks.

What does the gas filler door say? Would think it run would better on higher octane. .02

 

[HemiBenny]

What does the gas filler door say? Would think it run would better on higher octane. .02

E85 is a higher octane fuel.

 

[Z28racecar]

E85 is a higher octane fuel.

Not so much about it's octane rating, it's mostly about its latent heat of vaporization. Alcohol fuels cool the air and combustion temperatures that allow a higher threshold before knock occurs. The only reason there is gasoline content in E85 is to help the engine start, it's more difficult for ignition to start with ethanol and methanol at lower temperatures.

GP1 is designed to resist dilution/milking with alcohol fuels. It's a great oil, but any race quality synthetic oil will handle E85 just fine. As long as you get your engine above 170 degrees, you wont have to worry about condensation and gunk forming in your engine that could cause corrosion.

 

[HemiBenny]

Not so much about it's octane rating, it's mostly about its latent heat of vaporization. Alcohol fuels cool the air and combustion temperatures that allow a higher threshold before knock occurs. The only reason there is gasoline content in E85 is to help the engine start, it's more difficult for ignition to start with ethanol and methanol at lower temperatures.

GP1 is designed to resist dilution/milking with alcohol fuels. It's a great oil, but any race quality synthetic oil will handle E85 just fine. As long as you get your engine above 170 degrees, you wont have to worry about condensation and gunk forming in your engine that could cause corrosion.

Not so much about its octane rating? It is concerning what I was replying to.

Does E85 not have a higher octane rating than what Dodge "recommends" for the 6.2L HEMI? (Yes, it does.)

Are you not looking at the post that I'm replying to? Look at the post that I'm replying to and tell me I'm wrong.

E85 has a higher octane rating than the premium fuel that Dodge recommends.

 

[Z28racecar]

Not so much about its octane rating? It is concerning what I was replying to.

Does E85 not have a higher octane rating than what Dodge "recommends" for the 6.2L HEMI? (Yes, it does.)

Are you not looking at the post that I'm replying to? Look at the post that I'm replying to and tell me I'm wrong.

E85 has a higher octane rating than the premium fuel that Dodge recommends.

You are half right. E85 has an octane rating of roughly 100, now go re-read what I read. My 565 runs on E85 and has a compression ration of 14:5:1 locked at 38 degrees timing, tell me I can run 100 octane gasoline on it no problem. How much you want to bet his 1200hp hellcat can run 100 octane gas no problem too..

 

[HemiBenny]

You are half right. E85 has an octane rating of roughly 100, now go re-read what I read. My 565 runs on E85 and has a compression ration of 14:5:1 locked at 38 degrees timing, tell me I can run 100 octane gasoline on it no problem. How much you want to bet his 1200hp hellcat can run 100 octane gas no problem too..

Regarding my post, I am 100% right.

I'm not going to argue nonsense with you.

The post I replied to said, "What does the gas filler door say? Would think it run would better on higher octane. .02" (Copied and pasted)

My reply was, "E85 is a higher octane fuel."

E85 is a higher octane fuel than the premium that Dodge recommends.

Cheers.

 

[Z28racecar]

Regarding my post, I am 100% right.

I'm not going to argue nonsense with you.

The post I replied to said, "What does the gas filler door say? Would think it run would better on higher octane. .02"

My reply was, "E85 is a higher octane fuel."

E85 is a higher octane fuel than the premium that Dodge recommends.

Cheers.

You definitely have absolutely no idea how race cars or fuels operate. Stick to the PCMO section. Latent heat of vaporization goes over your head.

 

[HemiBenny]

You definitely have absolutely no idea how race cars or fuels operate. Stick to the PCMO section. Latent heat of vaporization goes over your head.

You have no reading comprehension skills.

Does E85 have a higher octane rating than what Dodge recommends on its fuel door, in the manual, or anywhere else?

Does E85 have a higher octane rating than 91 or 93 premium at the pump?

Please, just answer yes or no.

 

[Z28racecar]

You have no reading comprehension skills.

Does E85 have a higher octane rating than what Dodge recommends on its fuel door, in the manual, or anywhere else?

Does E85 have a higher octane rating than 91 or 93 premium at the pump?

Please, just answer yes or no.

Question was already answered, you can stop acting like a child now. You came into this thread with a simpleton answer for a question borne of ignorance, and when someone comes in with actual knowledge of fuels, you deflect like child because you don't know how ethanol works.

Congratulations on being a moron.

 

[HemiBenny]

@Z28racecar

Wow. You really are thick.

What does the gas filler door say? Would think it run would better on higher octane. .02

^ The post I replied to.

E85 is a higher octane fuel.

^ My reply.

100% correct.

E85 is a higher octane fuel.

I was not getting into the science of E85, tuning, larger injectors, or anything else that's called for in a 6.2L Hemi to run E85 properly.

F'n hell.

 

[doverlabs]

What does the gas filler door say? Would think it run would better on higher octane. .02

Bruh lol

 

[scrllock]

really breaking the mopar stereotypes here eh?

@JoshyMania why wouldn't they elaborate about DT50? If we have to speculate, it's that the mineral bases in GP-1 have enough of an improvement on solubility that it helps keep ZDDP in suspension when diluted with ethanol. Or being a polar base reduces phase separation.

 

[TXHunter]

Looking for some insight from those of you much wiser on this topic then me. I’ve got a 2015 challenger hellcat making a little over 1200whp on e85. I’ve been running Driven DT50 as per recommendation from a user on here with a lot of knowledge in driven oils and haven’t had any issues. But I’m currently at the PRI show and talking to the guys at driven they say no matter what with e85 I should be using GP1. They didn’t really care to elaborate why but that’s what they said. This is mostly a street car but doesn’t get driven a whole lot. Maybe 1-2k miles a year.

I’d love to hear what your guys take on this is. Maybe @RDY4WAR has some opinions here? Thanks.

Speculating, but GP1 is supposed to be designed for high fuel dilution environments (including alcohol fuels). GP1 is more tolerant of fuel contamination, and with 1-2k miles per year moisture and ethanol may not burn off fully.

Have you done any oil analysis reports to see what fuel dilution on this one is? I'm running DT50 now in my setup, so curious to see which direction you end up going here.

 

[RDY4WAR]

I'm not sure how I missed this thread. Very late to the party here but...

I wouldn't use GP-1 in a 1,200 HP engine nor with E85, much less both. The higher aromatic content of group I base oil does not play well with alcohol dilution. The VII content, while rather decent, isn't something I'd trust with that high of BMEP. The DT series is a better choice, but there's still better out there.

For a couple bucks a quart cheaper, you can get HPL No VII 10W-40 which doesn't shear (at all), no VII to wreck havoc with alcohol, multiple FMs in synergy, very low volatility, and unrivaled oxidation resistance. That oil would take whatever abuse you could throw at it for 10k miles or 1 year and will not shear or oxidize.

 

[kschachn]

Looks to be a bit of a drive-by post.