This filter is twice the length as OEM and bigger diameter, it would be pretty risky installing this filter full of oil at the angle it sets on the cast housing.

The idea of a 15 micron oil filter is great, but the risk of having a disaster of possibly breaking off and loosing the engine, isn’t worth it for me.

First off, let me start by saying that i have read things on this forum posted by you and bob that i have agreed with, and things i have not agreed with, so this post is about numbers and not fanboy status.

ok so lets do some math here because clearly no one else is and it shows.

oil has a density of 0.93 g/cm3 this is slightly less then water which is why oil floats on water. Water has a density of 1.00.

The mass of all things in the universe is a function of there density and the volume they occupy. 1 gallon of water weighs what 1 gallon of water weighs regardless of the shape that 1 gallon occupies so long as both gallons are on earth, and both gallons are liquid. Since engine oil is a liquid at any temperature were facing, and we are all hopefully driving on earth (i wonder about a hand full of members some days) mass and weight will be related.

Torque is defined as a force over a distance. If you have a 3' wrench, and you put 10 pounds on it, you are putting 30 ft lbs on whatever is at the center of the wrenches rotation (usually a nut or bolt). I think we are all familiar with this.

To calulate the actual torque of the filled filter on the housing you would use calculus to solve a fomula for the mass of each slice of oil filled filter times the distance from the housing all added together to give you a total torque. This is hard, so instead we will assume that all of the mass of the oil is at the point farthest away from the filter head. This will give us an incorrect value, however it will be incorrect in a way that favors failure as the actual values will be quite a bit less then the way we are about to calculate the load on the filter head.

First we need to know the weight of the oil, for that we need to know the volume of the oil. We will assume the filter is a perfect cylinder, despite the cap being hemispherical again, to make the math nice.

the formula for volume of a cylinder is pi*r^2*h (pi = 3.14) So the radius of the filter squared, times pi, times the height of the filter gives us the volume of the filter.

Lets say the filter is 2.5" in diameter, this is larger then it actually is, but that accounts for the metal being more dense then the oil, again, were heavily favoring the error in this towards the side of making the torque greater then the actual torque applied as safety factor.

I believe it was sad that the height of this filter was 10.7", lets call it a foot.

2.5*2.5*12*pi = 235.5 cubic inches.

1 cubic inch = 16.4 cubic cm

= 3862.2 cubic cm

Mass = volume * density = 3862.2 cm3 * 0.93 g/cm3 = 3591.7 grams

454 grams per pound = 7.91 pounds (again, this value is significantly inflated)

total distance from the head is 12"

torque = force over distance

**Torque on head is at an absolute unrealistic maximum of 8 foot pounds. **
can we all stop worrying about cracking the bottom of the engine off with an oil filter now?