groundpounder

I'm still reading all of the posts but have several questions I haven't seen before:

- Since there are quite a few injector threads and they are soooo expensive to replace, does anybody have any good info/pics on all of the workings and why they cost so much ?

- I've read a lot of threads about additives (including the ones about emulsify vs. demulsify) and everybody has different opinions. Does anyone have bad stories about which ones NOT to use and damage ?

- Is there a fuel test that can be done to check the bad things (water, algae, etc) ?

- Do the commercial applications have a much better filtering system or do they have issues too ?

groundpounder

Bump Bump ?

billie

1) Injectors are machined to incredibly accurate tolerances with an electric solenoid that must open and close about 10x per second and last for millions of cycles.

2) Don't use them and don't endorse them.

3) Not that I know of, use a rated filter.

4) No idea.

papaduck

Water in diesel fuel will cause the most damage to a diesel engine. It doesn't take much to cause damage to the injectors or to cause algae to grow in the fuel. Some water will emulsify in the fuel and can pass through a filter with the fuel. If algae gets through the filter it can cause varnish in the injector and cause it to stick open.

Clean fuel is a must. Always buy your fuel a station that has a large turnover of diesel fuel and avoid the small stations that you don't know.

The best protection is better filtration and water removal. The one step OEM fuel filter/water seperator on our engines I feel is not quite adequate to completely do a good job of cleaning up the fuel.

I am running 4 filters now with a filter/strainer before the lift pump. If I see a drop in lift pump pressure (just before the cp3) I will know that I need to change a filter(s).

isb07

a 2 mikron fuel filter setup is a good investment, any small particules that go through the injector at 20k psi could eventually affect the spray pattern causing other problems. i only run additives in the winter to prevent gelling, good clean diesel and a heavy trailer are good for these trucks.

carl48

as papaduck stated buy only from truck stops or high fuel sale stations and install a 2 micron filter