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Gas/Oil Premix Thread

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Old 08-20-2007, 05:51 PM
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yep about the only thing you can do is to keep the tank as full as possible at all times.
OD
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Old 08-20-2007, 08:08 PM
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Originally Posted by olddragger
yep about the only thing you can do is to keep the tank as full as possible at all times.
OD
i looked for that post last night... it was during the time lots of pm were flying..

o well at least we have a better idea..

beers
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Old 08-20-2007, 08:27 PM
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I run my tank nearly bone dry all the time. Filter is clean.
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Old 08-21-2007, 05:54 AM
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So basically the issue of dirty filters and premixing might be a bit overblown? Phew...
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Old 08-21-2007, 10:04 AM
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thats the latest----if you have dirty gas you will have problems. pre mix will compund that--but it is thought to be affecting the pump--not the filter. we still have the problem of fuel starvation on the track and fi boys are having problems with the stock fuel system. nothing has been solved--just a better focus obtained.
MM glad yall have clean gas out that way--send me some.
meanwhile us dirty gas boys will keep a high level of gas in the tank so as much sediment as possible can be washed out of the ruel pump unit and doesnt settle. Best lodgic approach i can think off.
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Old 08-21-2007, 01:42 PM
  #481  
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But wouldn't you guys just introduce more and more sediment into the tank after fill ups and it would reach a saturation point after awhile where you're forced to clean your tank?
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Old 08-21-2007, 02:28 PM
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Yeah, not letting it go down means it will just accumulate.
You want to keep disturbing the bottom of the tank so that it dissolves as best as it can.
Track days will probably do that pretty well.
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Old 08-21-2007, 07:49 PM
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the thing about it is that you want enough gas in the tank to continue to move fresh gas in and out the little sump tank. Dont run low and let it build up in there.
i dont think we will have any difficulty keeping it stirred up!
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Old 08-21-2007, 07:54 PM
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If the filter accumulating oil really was the issue it wouldn't just happen under track cornering, it would be a continuous issue that would just as easily occur in a straight line with a low tank level and not just on long track sweepers in one particular direction, totally retarded ...
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Old 08-21-2007, 08:06 PM
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how ya figure that?
OD
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Old 08-22-2007, 02:42 AM
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Mark is mixing up his symptoms. He's talking about the left-hand starvation issue, not the filter discoloration.
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Old 08-23-2007, 08:49 PM
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I'm not mixing up anything, the LH starvation issue is exactly how this all this fuel pump vs pre-mix BS got started ...
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Old 08-23-2007, 09:36 PM
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Apparently, but it is obviously two separate issues.
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Old 08-24-2007, 01:02 AM
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Wow guess you should get a few extra bottles next time you order premix ~_* .
This is from Idemitsu main web sight...


Idemitsu Racing Rotary Engine Oil 10W-30 ......(Out of Stock until Oct '07)

(Full Synthetic)



Idemitsu Racing Rotary Engine Oil 20W-50......(Out of Stock until Oct '07)

(Full Synthetic)


Idemitsu Racing Rotary Fuel Lube (Premix)......(Out of Stock until Oct '07)

(Synthetic Blend)

Designed For Use In Gasoline Engines Only
*

Improved Sealing Performance
*

Provides Additional Wear Protection For Apex Seals, Side Seals, etc.
*

Keeps Fuel Injectors Clean For Reduced Maintenance
*

Minimizes Exhaust Port Clogging
*

Reduces Friction
*

Application: 1/2 oz. Per 1 Gallon of Gasoline


Enhanced Film Strength Provides Excellent Durability and Wear Protection


Special Additives Reduce Carbon Deposits on Piston Rings, Minimizing Compression Loss and Maximizing Power Output


Superior Shear Stability Decreases Viscosity Breakdown, Which Ensures Consistent Quality Performance Over the Life of the Oil
*

Special Molybdenum Agents Reduce Friction, Boosting Horsepower & Torque
*

Formulation Exceeds API SM Standards



Idemitsu Racing 4-Cycle Gear Oil 75W-90 ......(Out of Stock until Oct '07)

Last edited by Noobzilla; 08-24-2007 at 01:52 AM.
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Old 08-24-2007, 01:16 AM
  #490  
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Thanks for quoting their entire page.

You can still get the stuff, just not directly from Idemitsu at the moment. I have another case coming next week.
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Old 08-24-2007, 01:54 AM
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I never said you could not get it, but if there stock is out that would mean others will be as well once there invo is depleted.
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Old 08-24-2007, 02:04 AM
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I know Mazdatrix is out of their engine oil cause I tried to order some last week and Chris called to tell me they were out.

I did manage to get a case of pre-mix...just in time I guess.
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Old 08-24-2007, 02:22 AM
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Shh! We don't want the heathen to download all of our private stock of oil!
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Old 08-24-2007, 03:02 AM
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Originally Posted by MazdaManiac
Shh! We don't want the heathen to download all of our private stock of oil!
Good point. Last time I ran out of pre-mix I started getting the shakes. I didn't know what to do when I went to fillup at the QT.
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Old 08-24-2007, 03:21 AM
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I keep a couple of quarts of the RP stuff around, but it isn't optimal.
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Old 08-24-2007, 10:23 AM
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has anyone removed the omp yet and just ran pre mix?
i currently am on a trial/evaluation of 1 oz per gallon--got to admit--car runs better.
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Old 08-24-2007, 11:53 AM
  #497  
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Originally Posted by MazdaManiac
Shh! We don't want the heathen to download all of our private stock of oil!
I have a surplus of premix so I guess I should try selling it at inflated rates!
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Old 08-24-2007, 01:29 PM
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Originally Posted by olddragger
has anyone removed the omp yet and just ran pre mix?
i currently am on a trial/evaluation of 1 oz per gallon--got to admit--car runs better.
olddragger
You would have to run 12 to 14 oz per tank for that.
Given your pump problems, I don't know if you would be happy with that.

I run 8 - 10 oz with the OMP still hooked up (but, seemingly, not operating).
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Old 09-13-2007, 08:57 PM
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Whew, 21 pages later....

Ok, finally got around to reading this... Going to start premixing this weekend. I have my list of stuff that will work, so I'll just check around the PB/AZ/AAP to see what they got. I have a gas mileage log with every fillup since I got the car, so I have a pretty good handle on what my gas mileage looks like (18.5 hw / 13 city - "You have a heavy foot! You'll blow yourself to pieces!!")

Anyway, got a couple questions:

1) Anyone using premix in colder climate? I plan to do alot of winter driving, and temps in upstate NY can get to -40 at times. Any issues with the premix clumping or gelling and settling on the bottom of the gas tank?

2) In general, anyone have any issues starting the car after letting it sit a while (say a week or more)?
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Old 09-21-2007, 01:38 AM
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Can we get a summarization of the main points here? All I got was use 1/2 oz per gallon of something synthetic with no castor. And there is a potential premixing will do voodoo to your fuel filter.. Does that sound right? How does something like the FP60 get into picture? Can you alternate using that with a 'real' 2-cycle oil? Or do you have to sit there mixing 2 oz of one and 2 oz of the other?
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