It's probably been asked before, but here goes anyway.

96 Passport with 118K on it. 3.2 V6 Auto. With the tapping :disappoin on startup until warmed up and oil circulated. I've read pros and cons on going to Synthetic to eliminate/minimize the valve tapping.

The truck to this point has used Mobile dino oil 10/30 for the most part, changed every 3K and filter. Also uses about 1/2 to 1 Qt oil every 3k.

So is going synthetic going to help, or just spring some leaks.

Thanks for the opinions.

there is a s/b that says change the oil and filter and use mobil synthetic 0w-30. run the engine at 2500 rpm for a half hour and if the noise goes away then your done. aparently there is a build up of varnish that gets in the lifters and the 0w-30 helps to remove it. you could try it but i wouldn't leave the 0w-30 in i would drain it and maybe put in 5w-30.