NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Pre-mix Info Needed (https://www.nopistons.com/2nd-generation-specific-17/pre-mix-info-needed-29158/)

RX7 13B 4 UR AZZ 11-23-2003 11:35 AM

I put in a little less than 16 ounces of Xcel 2 stroke in the tank It says that it is good for injection and pre-mixing Is this stuff any good or should I use some other brand?

j9fd3s 11-23-2003 12:33 PM

all you need is a tcw3 oil

RX7 13B 4 UR AZZ 11-23-2003 12:47 PM

what is tcw3?

75 Repu 11-23-2003 12:51 PM

thats the rating of the oil.. you will see it on the quart somewhere.. usually on the front....

RX7 13B 4 UR AZZ 11-23-2003 01:21 PM

im not sure if it is since the bottel is in the car and im up stairs but what if it is not?

surfpac 11-24-2003 09:30 AM

tcw3 is safe for fuel injection. I use premix of 1 oz per gallon of gas. I have my OMP diabled, actually used block off plates and plug the injector lines.

slow87turbo 11-24-2003 01:15 PM

thats the same thing i did. i use either valvoline or the wal-mart 5gal jug for $5. i use about 16 oz. per tank, unless i know i will be driving "spotry"https://www.nopistons.com/forums/pub...#>/BURNOUT.gif then its a little more. basically a 1oz. per gallon is a 100:1 ratio. most weed eaters use a 50:1 ratio. its a pittle ritcher.



ej

i.didnt.do.it 11-24-2003 01:17 PM

https://www.nopistons.com/forums/pub...IR#>/blink.png Did you put regular 2 stroke in there????

Jims5543 11-24-2003 01:27 PM

Damn!! You guys are mixing in a lot of oil. What ratio are you shooting for 60:1?? I was instructed by pettit racing to mix 4oz per tankful of their Protek premix. 6oz when I am racing.



When I used Amsoil premix I did the same. When I tried to run 8oz per tankful I was fouling plugs and my car was breaking up real bad at high RPM's.

RX7_ARG 11-24-2003 06:35 PM

16oz its a lot!, like jim said 4/6 oz its ok for me



what ratio most people use?

RX7 13B 4 UR AZZ 11-24-2003 07:29 PM

the 2 stroke oil i put in says meets tcw standard I guess it is alright car still runs fine 1/4 tank later feels smoother and puls hard like ****. Next time I will get the good stuff.

turborotor 11-25-2003 01:29 AM

4oz for a full tank is enought for street driving, I double it when i go to the track when the engine is going rev high all day.

ZenRXSeven 11-26-2003 02:09 AM

Is it possible that having way too rich pre-mix mixture could cause a freshly built large streetport s4 turbo motor (stock injectors) to not idle? i.e. too much oil, not enough fuel? Seriously, I think I've got something around a 200:1 ratio in the tank, lol. Since I was gonna be starting the motor for the first time, I wanted to put a good amount of oil in the tank just to be safe, so I dumped 16oz. in there.... and then I realized I only had half a tank of gas... https://www.nopistons.com/forums/pub...DIR#>/wink.png

BigTurbo74 11-26-2003 03:43 PM

put more gas in?

setzep 11-26-2003 06:59 PM

with 8 gal of gas and 16 oz of oil you have a 64:1 ratio. Fill the tank with gas.

ZenRXSeven 11-27-2003 12:49 AM

Probably couldn't hurt, lol. https://www.nopistons.com/forums/pub...DIR#>/wink.png


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