I'm sure 501ml of premix will adversely effect it tho, But I just filled up with the Gas advantage credit card, and it saved me like 4.75 or something, I paid 1 cent more then the guys buying regular did. I guess for the first 30 days, you are garenteed to get the full 10 cents off.

 

exactly.
i am going to go for this card. my parents say they already spend about $800 on their card. i can easily make it $1000. of course this is not just gas expenditure. i convinced them that the gas savings is worth giving me a card on their account. just have to make sure i make my payments...

 

Yes, Nismo, my little creampuff...that extra 1mL is all the difference in the world

 

i ain't need your interllectual humer!


and eViLRotor is not banned yet? did my vote in the other thread not count for anything?

 

I guess not, I voted band the bastard too....

I guess my vote was actually a negitive vote for the banning.

 

The newbfactor of this forum would be increased by a few points if I was banned. I am unbannable!

 

Here ya go: https://www.rx7club.com/1st-gen-archive-71/fuel-intake-what-kind-gas-do-you-use-yours-485219/

 

Whats you're point, it's just guys saying what was already stated here, that high octane is a waste of money.

 

And here ya go: https://www.rx7club.com/1st-generation-specific-1979-1985-18/premix-rex-im-just-trying-understand-225649/

12th post down starts explaining the octane drop.
And there is a post somewhere on here (I just spent an hour looking for it) about an email sent to one of our coleagues from the chemical engineer that works for the company that developed MMO that talks about him using it in his 3 RX's without a problem.

 

I don't think people said that using stuff like that was a problem, if you want to use it go ahead.

Also, if anything in a n/a car it's going to help performance, because all the stuff you posted says that lower octane is better for the n/a motors. Honestly I can't see one octane point even makint a huge difference on a turbo car either, and for all we know 94 could be 96 because of a higher refining standard, or it could be lower, due to a lower refining standard. And because premix has a BTU value, because it's a petroleum product, I don't think it's going to make a huge difference, if you added a substansial amount of water you might bring it down, but a little bit of oil is out there.

 

So according to "how to modify your rx-7", premix lowers octane. How was this fact obtained? Was there a test performed? I would like to see the results of it if there was. Also, are all 2 stroke oils the same?

 

You want to use an ashless 2 stroke oil. I think the ones meeting the latest SAE standards are OK.

 

All of this discussion is missing some major points that add to its relevence.

Regarding brands of gas, most major oil companies have a reciprocal storage and distribution agreement for most of their products. This allows the oil companies to set up their own production and storage facilities and have other major oil companies share space and product so that they dont have to have duplicate and triplicate, quadriplicate and even septiplicate (I just made up a new word!!!) facilities across Canada. Granted the sharing of product varies by load and location. Who knows, the load of PetroCanada gas you got today in New Brunswick might have actually been produced and stored in an Irving Facility, or the tank of Esso you got in B.C., might actually be produced in a Conoco facility. The only completely separate sytem that I am aware of is the whole, Husky/Sunoco/Pioneer and that weird B.C. company Chevron that has high levels of methanol/ethanol in it as an octane increaser and oxygen adder.

Secondly worrying about the effects of premix is a moot point. A stock Mazda injects oil into the combustion chamber at a set level thereby theoretically reducing the effective octane (the octane drop actually falls within manufacture allowed octane variation). The oil that Mazda injects is common crankcase oil. As long as you don't go wacky and pre-mix so much oil that you are in danger of clogging your cat. The octane drop is not a concern on N/A and stock Turbo's. As you stress the car more by adding boost or increasing revs beyond Mazda designed levels, you have to be more concerned about what you feed your motor.

The reason that most racers buy "race gas" outside of the octane levels required by some piston engined cars, which octanes are not required by stock N/A rotaries, is to have a consistent product. This allows you to tune your car to the knifes edge and not worry about variability in product that may cause detonation.

I have said my piece, now this whole subject bores me and I am going to go back and ponder the whole effectiveness of different car waxes in improving gas mileage.

Eric

 

Maguiar's NTX has the lowest coefficient of drag, out of any wax out there...

 

I thought bikini wax was more aerodynamic......

 

agreed, compared to turtle wax. turtle shell...

 

Can I take the oil out of my engine to reduce parasitic loss? I'll just route the air from the air pump into the bearing space.

 

yup. Your e-shaft will turn a lot easier without them thar heavy rotors installed, too.

 

As I understand it, under hard acceleration oil cannot always be supplied quickly enough to keep up. The last version of the RX7 (1999+) had the metering system revised to address the situation. Therefore, some feel adding a premix ensures proper lubrication at all times.

 

Hmmm.. air lube.
Sounds like when feds can't find the KY. air lube works for a while before things break down and start shooting out parts. Change the air pump from vacuum to boost and you'll be fine (Think "spaceballs" vacuum scene)

"SHe's gone from...."

 

Canadian works, too?