mixed fuel in my gas tank.
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mixed fuel in my gas tank.
hello guys I recently changed the piston and ring on my 86 spree. I read that you should run mixed fuel while breaking in the motor, I'm mixing 4oz of oil per every gallon of gasoline. I have a working oil pump supplying the oil mixture as well. now my question is: is that extra oil mixture on my gas tank will make my engine run leaner since it is less fuel with the same amount of air. is this good or bad? are any of you guys running mixed gas? thanks.
- mustangwagz
- Elite

- Posts: 477
- Joined: Sun Mar 21, 2010 9:10 pm
- Location: Western, PA
Re: mixed fuel in my gas tank.
Well from what i can figure (running 3oz to every gal plus stock pump on a fresh 44mm big bore, piston, and rings) your lean on fuel, rich on air and oil such as i am. which means your lubing the heck outta the thing which is good for what we're doing.. i hope i'm right on this all. lol otherwise everthing i've thought about breaking in is wrong. lol
but if you pull your plug it ougha be good N oily! or black in color. which is will be ok for breaking in. just TAKE IT EASY ON IT!
but if you pull your plug it ougha be good N oily! or black in color. which is will be ok for breaking in. just TAKE IT EASY ON IT!
-Zac 
1981 HD-Ironhead Sporty. 1000cc, 4 speed, drag pipes, and drag bars.. (chic/cop magnet)
72 Rupp Roadster 2 (aka. RUMP ROASTER!!)
05 vinson
78 bronco (Log skiddin Hog!!)
1981 HD-Ironhead Sporty. 1000cc, 4 speed, drag pipes, and drag bars.. (chic/cop magnet)
72 Rupp Roadster 2 (aka. RUMP ROASTER!!)
05 vinson
78 bronco (Log skiddin Hog!!)
Re: mixed fuel in my gas tank.
thanks but I'm running a standard 41mm piston no big bore piston.mustangwagz wrote:Well from what i can figure (running 3oz to every gal plus stock pump on a fresh 44mm big bore, piston, and rings) your lean on fuel, rich on air and oil such as i am. which means your lubing the heck outta the thing which is good for what we're doing.. i hope i'm right on this all. lol otherwise everthing i've thought about breaking in is wrong. lol
but if you pull your plug it ougha be good N oily! or black in color. which is will be ok for breaking in. just TAKE IT EASY ON IT!
Re: mixed fuel in my gas tank.
Same rules apply. You want to run more oil than normal during the break-in, as there is more friction in the cylinder during that time.felospree wrote: thanks but I'm running a standard 41mm piston no big bore piston.
1986 Spree w/Taz 44mm BBK

