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The piston slap in my F-150 was noticeably quieter when I was running Valvoline Maxlife. I actually go away form using it after reading some posts here regarding it's additives or now the lack thereof. The Maxlife 5w30 seemed to be thicker than the Motorcraft 5w30. Now it is back to the way it...

mikep, My 97 F-150 also has the piston slap. It was 18 degrees here in the Nashville area this morning. Mine usually subsides after 30-45 seconds. Currently running 5-30 Motorcraft and would like to find one that keeps it a little quieter although according to many mine is not very severe. So...

I have off and on used the Supertch ST2 filters on my F-150 5.4 Those and Motorcraft. Bought a few Mobil 1 AC Delco and Castrol Maxpro when K-Mart had them on sale. I found some of the Supertech filters at Wally World with the bypass spring in the top like Ford says it should be. You guys think...

My truck uses practically no oil barely moves on the dipstick at all between changes. If the Motorcraft is good I may stay with that. you think 10-30 is okay for it?? I had read where a lot of you seem to prefer Pennzoil?? I would like to quiten the piston slap a little but other wise it runs...

mikep, I use bot the Motorcraft FL-820s and Walmart Supretech. Have tried AC Delco and Castrol Maxpro made by WIX??? Has no real effect either way. Mine is remote mounted and hangs vertical. The worst of mine is over in just a couple of seconds but if you listen closely it makes a slight noise...

5w30 Motorcraft at the present

New member here and looking for suggestions. I have a 97 F-150 5.4 ohc v-8. It has 95,000 miles and I have been using Motorcraft Oil and filters or sometimes supertech filters. Really do not want to start the synthetic on it this late although Mobil 1 goes in my wife's Explorer. I drive...