Couldnt I just use the oil return line from the turbo and connect it to the existing drain plug??Or do i have to drill a hole on the side and why?

 

why tap another hole into the oil pan when the kit comes with a 2inlet T adapter and then connects to your existing oil pan

 

it is not recommanded to install the oil return to the oil pan. Stillen SC kit and Nigel's turbo kit route the oil return to somewhere else.

I forgot why though...can someone explain to me? thx

 

NO! All oil drain lines are gravity feed.... It must be above the level of the oil in the pan... Even above the oil level, my brother messed up his turbo because he only used a 10AN drain line.

 

well then..whats the correct drain line size???

 

I made a mistake ... He was using 8AN but is now using a 12AN drain line. This is on a '85 Supra...

 

So what would happen if my oil is being drained back to the pan and a hole was drilled on the pan right in the middle of the pan from the side. It is a large line, like about 3/4" braided line.

Dixit

 

I don't know if that particular point on your pan is above or below the oil line (especially when the engine is running)... Higher is better but if you've had it in for a while and you haven't had any problems... just leave it.

12AN is 3/4" (12/16) I.D...

 

I really don't see how it makes any difference to the turbine whether the oil return line enters the oil pan above or below the oil level. Making the entrance below the static oil level won't stop oil from flowing into the oil pan from the turbine. The only things that matter are that the turbine is above the oil level, and that you use a big enough return line to handle the flow rate.

 

Have you been 20+ feet underwater? Liquids have mass... mass exerts pressure -> restriction.... memories of good old Physics back in highschool.... LOL

 

Yeah, that's right, liquids have mass. That means you can plumb a line to the bottom of a container and pour liquid into the line and you will fill the container, as long as the fill point is above the level of the liquid in the container.

 

The very top of the oil pan is near or above the top of the oil level when the car is running from what i have been told, is this correct? I return my oil to the very top of the oil pan, for one reason - gravity. I want my oil going downhill, not horizontal or almost, into the valve cover, granted that is easier/closer? In all reality we know that the upper oil pan is the most ideal place, if you have the time/patience or in some cases money to pay someone else..

I would not advise returning it to the oil pan screw though, as this is the very bottom of the system...