Originally Posted By: modularv8
Ford claims to its dealers that the formulation is unique and will not honor warranty claims by dealers that don't fill 5w20 from Motorcraft. Ford doesn't take this stance with 5w30.
I'd like to see some documentation on this. All oil formulations are "unique". If a 5W20 oil meets Ford's spec, I highly doubt they wouldn't honor it. My truck started it's life with dealer service only and they used QS bulk 5W20. I had a TSB issue with oil seeping from a head gasket (excess metal flashing between the head/block) and it was repaired under warranty.
Regarding oil consumption, my truck uses no oil at all with 5-6K changes on any 5W20 I've used. I just pulled about 11-12K lbs over the Rockies on a cross country trip using NAPA conv. 5W20. She did fine. I have noticed that 5W30 runs a little quieter, but I can only tell with the hood open. I don't think a non-auto person would notice.
These mod motors are like rocks. This is my first Ford (former GM guy) and it kicks bum. My next truck will be a Superduty and I hope Ford has a winner with it's 6.7L Scorpion. If not, I'll check the V10 box when I buy.
Ford claims to its dealers that the formulation is unique and will not honor warranty claims by dealers that don't fill 5w20 from Motorcraft. Ford doesn't take this stance with 5w30.
I'd like to see some documentation on this. All oil formulations are "unique". If a 5W20 oil meets Ford's spec, I highly doubt they wouldn't honor it. My truck started it's life with dealer service only and they used QS bulk 5W20. I had a TSB issue with oil seeping from a head gasket (excess metal flashing between the head/block) and it was repaired under warranty.
Regarding oil consumption, my truck uses no oil at all with 5-6K changes on any 5W20 I've used. I just pulled about 11-12K lbs over the Rockies on a cross country trip using NAPA conv. 5W20. She did fine. I have noticed that 5W30 runs a little quieter, but I can only tell with the hood open. I don't think a non-auto person would notice.
These mod motors are like rocks. This is my first Ford (former GM guy) and it kicks bum. My next truck will be a Superduty and I hope Ford has a winner with it's 6.7L Scorpion. If not, I'll check the V10 box when I buy.