OMP Premixing Oil
#2
version 2.0
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any brand is just as good as the other.... well some is about $1.50 more expensive than other, which MUST mean it does a better job. I know Pettit racing makes a specific pre-mixing oil for our cars, but I don't know if it is actually any better since I haven't used it.... or how one would tell (BOOM! REBUILD!!)
#3
Clean.
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Any TCW certified oil is good. Even the cheap stuff usually meets TCW.
Going synthetic, etc. is just like getting synthetic motor oil: It'll survive extreme conditions better, produce less wear and keep your internals cleaner, but it costs more and the cheap stuff still works great. People often bash on synthetics because your engine will last a very long time even on the cheap stuff. Synthetics are still good for certain situations. But if you don't want to bother looking into it, just get the cheap stuff (as long as it meets TCW) and don't worry.
Btw, I think the actual standard is "TCW-13" or something.
Going synthetic, etc. is just like getting synthetic motor oil: It'll survive extreme conditions better, produce less wear and keep your internals cleaner, but it costs more and the cheap stuff still works great. People often bash on synthetics because your engine will last a very long time even on the cheap stuff. Synthetics are still good for certain situations. But if you don't want to bother looking into it, just get the cheap stuff (as long as it meets TCW) and don't worry.
Btw, I think the actual standard is "TCW-13" or something.
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TCW-3 is what everyone reccomends.
2 stroke oils have certain flash points so you wan't a 2 stroke oil that doesn't have a real low flash point, such as 150-190 which I believe is for air cooled engines such as those in planes. You want above 220 or so.
2 stroke oils have certain flash points so you wan't a 2 stroke oil that doesn't have a real low flash point, such as 150-190 which I believe is for air cooled engines such as those in planes. You want above 220 or so.
#5
Licensed Zip Tie Mechanic
We use Amsoil Sabre Professional 100:1 premix oil, but mix it at a ration of 80:1. Before that, we used Yamalube 2-stroke Racing Oil, which is available through most motorcycle shops.
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80:1 is too much imo. A lot of people here use 1 once per gallon = 128:1...I go with 100:1 in metric system. Meaning 1ml of TCW3 for 100ml of gas. I always put in 30 litres at a time so 300ml of TCW3 and I am good to go. 80:1 would make your car smoke a lot imo....and even might reduce performance since the mix is to saturated....My opinion.
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#8
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I run 1/2 oz per gallon with no performance or reliability issues so far.
My question is this. 2 stroke has a much lower flash point then your standard motor oil which can be around 400*F whicl 2 stroke can be lower then 250*F. I wonder if you would need more 2 stroke to do the same job as motor oil since it burns off quicker?
My question is this. 2 stroke has a much lower flash point then your standard motor oil which can be around 400*F whicl 2 stroke can be lower then 250*F. I wonder if you would need more 2 stroke to do the same job as motor oil since it burns off quicker?
#9
I used this stuff, and would use a smaller quart bottle to refill with the bigger bottle.
My engine died, but I'm sure it was due to the 156,000+ miles, and the frequent redlining and autocross.
My engine died, but I'm sure it was due to the 156,000+ miles, and the frequent redlining and autocross.
#10
Licensed Zip Tie Mechanic
80:1 is too much imo. A lot of people here use 1 once per gallon = 128:1...I go with 100:1 in metric system. Meaning 1ml of TCW3 for 100ml of gas. I always put in 30 litres at a time so 300ml of TCW3 and I am good to go. 80:1 would make your car smoke a lot imo....and even might reduce performance since the mix is to saturated....My opinion.
#11
The Silent but Deadly Mod
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80:1 is too much imo. A lot of people here use 1 once per gallon = 128:1...I go with 100:1 in metric system. Meaning 1ml of TCW3 for 100ml of gas. I always put in 30 litres at a time so 300ml of TCW3 and I am good to go. 80:1 would make your car smoke a lot imo....and even might reduce performance since the mix is to saturated....My opinion.
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Anything TCW-3 I normally get a 16oz bottle from Walmart for $1.57 ea
and 86-88 cars dont have an electric omp so there is no limp mode due to that.
and 86-88 cars dont have an electric omp so there is no limp mode due to that.
#19
Shooting for 500
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I'm running 160:1 (10 gallons on fill add 8 ounces of 2 stroke). I used to run 128:1 (1 gallon to 1 ounce) but it would smoke like a mother at idle.
I'd heard that for racing N/A's Racing Beat reccomended 256:1 (1 gallon to 1/2 ounce) but I haven't confirmed that.
128:1 has worked good for me so far.
Josh
I'd heard that for racing N/A's Racing Beat reccomended 256:1 (1 gallon to 1/2 ounce) but I haven't confirmed that.
128:1 has worked good for me so far.
Josh
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ok but how do i do the ECU on a 90? also the car does not currently run. it crakes but wont fire. so would that cause it to do that? i can hear the compresion so that is not my problem.
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You can look at this thread here about removing the OMP on S5.
I was trying to think of a way to trick the ECU into thinking the OM Pwas still active and operating at a certain position at a preset throttle position. I just don't have a S5 to play with so I can't try it.
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/s5-omp-removal-searchable-thread-326577/
Most of the time people just stash the OMP to the side, but my question is why? Leaving it on is best solution for factory engine.
I would also start a new thread addressing the issue you have with your engine.
I was trying to think of a way to trick the ECU into thinking the OM Pwas still active and operating at a certain position at a preset throttle position. I just don't have a S5 to play with so I can't try it.
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/s5-omp-removal-searchable-thread-326577/
Most of the time people just stash the OMP to the side, but my question is why? Leaving it on is best solution for factory engine.
I would also start a new thread addressing the issue you have with your engine.
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