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Chevron Delo LE 400 5w-40 CJ-4 / 7687 mi / 1996 Nissan Maxima #5206563 09/06/19 05:54 PM
Joined: Mar 2004
Posts: 2,018
92saturnsl2 Offline OP
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Joined: Mar 2004
Posts: 2,018
Here is the most recent UOA performed on my '96 Maxima w/ 3.0L VQ30DE V-6. Oil used was Chevron Delo 400 LE 5w-40 CJ-4 and interval was 7,687 miles. Oil filter was a Denso in the PH3593A equivalent size.

My comment to Blackstone was regarding elevated lead that appeared on previous UOAs. My first UOA was to 10k and the results were very concerning, so immediately I began to dial back on the change interval to see if elevated wear metals correlated with extended drains. The last UOA seemed to confirm this as lead and other wear metals reduced in lock-step with mileage. Thus I was a bit gun-shy returning to > 6k intervals as Blackstone suggested. Given these results, it seems the high lead might have been a fluke or a one-time thing as nothing odd appeared after inching up to 7700 miles this time.

The previous oils used were (going left to right on the UOA):

Castrol Edge Extended Performance 5w-20 (5,817mi)
Castrol Syntec 15w-50 (8,040 mi)
Pennzoil Platinum SRT edition 0w-40 (10,012 mi)

Changed to Shell Rotella T5 10w-30 w/ Champion COS3593A filter. Might try 9k or so per Blackstone's suggestion.

[Linked Image from]


96 Grand Prix SE (project car)
04 Odyssey EX 200k Philips Shield Choice 10w-30
96 Maxima GLE 275k Shell Rotella T5 10w-30
07 Chrysler Pacifica Limited 4.0L 145k Mobil1 EP 0w-20
Re: Chevron Delo LE 400 5w-40 CJ-4 / 7687 mi / 1996 Nissan Maxima [Re: 92saturnsl2] #5206747 09/06/19 11:31 PM
Joined: Sep 2015
Posts: 2,788
zeng Offline
Joined: Sep 2015
Posts: 2,788
Very good metal wear rates.
10k oci is likely to be fine.

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