Delo sae 30

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What do you guys know about the Delo SAE 30w? The bottles I've seen is SL rated. Does the SL oils have a higher zddp?
 

Badlees

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I may run the straight 30 in my outboard then. I'm running the 15w40 that is also SM rated. I think the 30w SL might be a better choice for a saltwater marine environment.
 
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 Originally Posted By: Audi Junkie
I use tons of it.
Holy Cr p... 1 Ton / 40# Pail (5 gal.) = 50 pails or 250 gallons LOL
 
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We had an F250 Econoline delivery van at a paving equipment dealership I used to work at. The 7.3L (??) diesel in that thing saw nothing but Delo SAE30 after the first drain and re-fill. It blew a head gasket at 330k miles or thereabouts. When the heads were removed, the cylinders still showed the cross hatched hone pattern. Maybe more a function of the block material than the oil......
 
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I think Delo is a great choice. Chevron just does not seem to market it as aggressively as Shell and Exxon/Mobil market their HDEO dino offerings... And as for wear/engine protection, its always a solid choice.
 
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 Originally Posted By: BoiseRob
 Originally Posted By: Audi Junkie
I use tons of it.
Holy Cr p... 1 Ton / 40# Pail (5 gal.) = 50 pails or 250 gallons LOL
Probably about right, he didn't tell you he got it for $1/gal a few years back on a mistake by AZ on a clearance price. I only scored 54 gallons!
 

JR

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I have a 97 F-250 hd 7.3l powerstroke 4oed with 3.55 screws with 230,000. i always use motorcraft filters so i am looking for a good oil and since it is summer i was thinkin a 30 wt flavor. i was wonderin which 30 would be the best? i was thinkin 250 hours, 6,000 miles on dino, 350 hours 10,000 miles on syn. that seem tolorable, i am running 85+% highway? does amsoil still have there hdd 30wt? ken
 
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 Quote:
I belive that "typically" SL rated oils have more Zddp than their SM rated counterparts.
Approximate numbers, SL = 1100 PPM Zinc/1000 Phos. SM = 870 PPM Zinc/800 Phos.
 
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 Originally Posted By: RWEST
 Quote:
I belive that "typically" SL rated oils have more Zddp than their SM rated counterparts.
Approximate numbers, SL = 1100 PPM Zinc/1000 Phos. SM = 870 PPM Zinc/800 Phos.
Under the SJ rating I recall the Zn levels being around 1100 PPM; am I correct to assume they did not change from the 2001 SJ standard to the 2004 SL standard ? Also is it safe to assume that an HDEO 15W40 CJ-4 has approx 1200 ppm zn, only 100 ppm more than an HD30 SL ?
 
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Chevron Delo 400 single grade SL rated is speced at 1270 ppm zinc, can I assume this is close to other HD single grade oils such as Rotella T, Warren/Super tech etc ?
 
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