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My last analysis with 7600km was 15. That was with the Delo 400 5W40. Not really concerned as it is my first sample using Delo 15W40 so will trend this for a few OCI. Blackstone universal average is 17 in 5000 miles.

Early 99 converted to a late

Pretty pleased with this sample. I removed my oilguard bypass and just ran a Fleetguard Stratapore. Going to run this oil to 10,000km and change it out. the 15W40 dino performed just as well as the 5W40 Delo Syn I used to run for 1/2 the cost. ALUMINUM - 4 CHROMIUM - 1 IRON - 19 COPPER - 4 LEAD...

He is crazy. With the high pressure oil responsible for operating the injectors in the 7.3L HEUI system, just how badly has he damaged them? Oil is cheap, new stock injectors are $2000.

When I lived in Edmonton I ran the 5W40 Delo and plugged in at less than -15C for an hour or 2 otherwise it romped pretty hard on startup. Did that even with the 15W40 AME I ran for one winter. Now that I live in in the BC interior (and have a heated garage) I shouldn't have any more cold...

The oilguard bypass came off too. Just going with a Fleetguard Stratapore and the 15W40 and see how it goes.

Most recent report on my 1999 7.3L using Delo 400 5W40 CI-4 Synthetic and Oilguard Bypass. Run was 7608km mostly towing my 10k 5th Wheel. ALUMINUM - 2 CHROMIUM - 0 IRON - 15 COPPER - 5 LEAD - 6 TIN - 0 MOLYBDENUM - 7 MANGANESE - 2 NICKEL - 0 SILVER - 0 TITANIUM - 0 POTASSIUM - 7 BORON - 13...

Well I have an update. After dropping this oil I put the same Shaeffers back in for 1700km. Lead was at 7 already. Ran Delo 15W40 for a 1000km lead dropped to 3. Dropped that and went back to the Delo 5W40 CI-4 Synthetic. After 7674km of towing my 10k # fifth wheel through the Rockies I took a...

By any chance did you add an anti-foam additive? I used fleetrite anti foam once and my silicon level spiked up from 6 to 20. Stopped using the fleetrite and now back to around 6

Any time I want I can roll out the black smoke.

Yeah 4700km is 2900 miles. THe CJ-4 version of the 9000 that I am running starts at 10. I am going to dump it and try again...and hope for better results next time.

I am going to drop this oil when I get home and refill with the same 9000 5W40. All of the other wear metals are very close to the results I saw with the Delo 5W40 so it may very well be just the change in oils. I want to keep using the Shaeffers as I get great service from my rep here in Canada.

I am a little alarmed with this analysis. Just the lead though. Everything else looks well within limits based on my previous samples. (Last lead content was 5) ALUMINUM - 1 CHROMIUM - 0 IRON - 10 COPPER - 4 LEAD - 20 TIN - 1 MOLYBDENUM - 273 NICKEL - 0 SILVER - 0 TITANIUM - 0 POTASSIUM - 7...

I run 5W40 Chevron in my 99 Powerstroke. Starts easy in the winter. Good analysis results and very easy to find up here. Check the United Farmers of Alberta stores about $20 per gallon.

Just sent my analysis away today Had 5800 miles on this sample using Delo 400 5W 40 synthetic and an LF9027 Will post the results when I get them back

Looking for a bypass setup for a 99 7.3L Powerstroke I know enough to stay away from the amsoil dual bypass Was looking at a Frantz or Oilguard but am open to suggestions Thanks