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I am ashamed to say It's been 11 years since my last post, but boy am I surprised to see what I am reading here now. When I last frequented the boards, the FL820s for my f150 was highly regarded on this forum, and Fram filters were spawned by the Devil.....Seems the roles have reversed now. I...

Which would you say is better for my F150 4.6l ? The M1 is only $2 more than my Motorcraft I have been running, so the price doesn't matter to me. I am running 10W-30 M1 EP. The thing I noticed is the M1 is actually a little shorter than the Motorcraft Thanks

I don't know whats going on I changed from M1 5w-30 to the new EP 5w-30 on my last oil change, and after 1 month and less than 1,000 miles, I was almost 3/4 of a quart low. When I used the regular Super-syn, I didn't use that much make up oil in 5,000 miles. The 4.6 SOHC Supercrew only has...

Well, I had recently finished my RX rinse phase and had decided to use Pennzoil 5w-20 GRP III In my 2001 Screw due to extended warranty (Ford Spec) concerns. I figured if I was gonna use thin 20 wt, I should at least go to "synthetic" for the extra protection. I decided to go buy another batch...

My 2001 F150 Supercrew says I can use Fords green or yellow Antifreeze. The overfill tank looked dark green to me(kinda dirty with 32,000 miles), so I bought the Prestone yellow bottle, and when I drained and refilled, The Prestone looked more Bright Yellow than green. Did I screw up and mix a...

Wow, surprise me ! I just finished my clean phase (1500 miles Castrol 5w-20). The truck (2001 4.6L Supercrew) was purchased 1year old with 16,000, and I have done religious 3k OCI, some even sooner (now have 32,000mi)and the oil came out really dark ( about as dark as straight RX, only blacker...

I have done a few searches, and in the few dated threads I found, Penzane was mentioned. I have seen some of the newer Pennzoil "Synthetic" bottles, and they dont have Penzane written on them. Is this the same stuff ? I know it is Group 3, but the 5w-20 MEETS Fords specs, and since I have the...

I thought it kinda strange, when I went to Wal-Mart today for a new filter to do my Auto-rx treatment, I noticed there was no more M1 0w-20 on the shelf. I looked at all the price tabs under plastic, and even that was missing for the 0w-20. I wonder if they are not going to sell it at my store...

Ok, I have flip flopped several times.5w-20,5w-30 GC30, 5w-20 again. I bought the extended Ford ESP that will bring me out to 6 year 75,000, and have decided to be warranty compliant again, so my question to you is this: 5w-20 syn blend or 0w-20 M1. I will change at 3000 miles. Those are the...

I have a 2001 Supercrew with 30,000 miles (bought it with 16,000). I have changed the oil at 3000 miles OCI since I purchased it with quality oil. Question: Should I do a full treatment since I don't know the history of the 1st 16,000 miles, or should I just start doing maintenance doses? The...

Since the 0-30 GC is on the thick side, do you think it would be a problem running it in my 2001 SCREW with SOHC Triton 4.6.? (hope not, I just put some in) I live in a pretty warm area that seldom sees freezing temps and summers usually in the 90's and sometimes 100's, and tend to drive it a...

Well, it's here.....but at almost 5.00 per quart, I dont know if I'll be switching anytime soon....just thought you might want to know its out there now

Hi, I've been lurking here for several months, and decided to join. Here is my question: I have a 2001 F150 Supercrew with 21,000 miles on the 4.6 V8. I want to keep within warranty specs which means I will continue to use the 5w-20. I change every 3000 miles and put more city than highway miles...