Quote Originally Posted by GeeCee View Post
Not exactly sure what it proves. If the CAV is first in series, then I would hope it would capture more.
Or is your point that it lets something though?

Me: ditch the Nissan filter and change the CAV more regularly - they're cheap enough to do it every 5000 and still be in front.

Not sure if it proves anything.
And I have no point, only put the thread for discussion.
My observations are;
The CAV has a lot of crud in it, did it come from the fuel or my fuel tanks?
The CAV filter caught a lot of the rubbish, the Nissan looked to be fairly clean therefor did the CAV do a good job? or not?
Do you think the Nissan filter was a good backup?
Did I leave it too long between filter changes?
Do I replace the CAV more frequently?
If there was only the Nissan filter would it have let an amount of fine contaminants through to the pump / injectors?
What would have happened if they were the other way round?

Lots of questions, and hope some answers here will be of value to myself and others.

CAV cost about $7.00 Nissan $50.00 maybe change the CAV at each oil change and leave the genuine longer, a good point.
I will still leave the Nissan in circuit as it has the water alarm, my CAV is a cheapy without the alarm.
Cheers Macca