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2009 Chevy cutaway chassis. Chevron Dex 6. Aim for a 40,000 mile service interval, doesn't always happen.

2009 Chevy Express cutaway chassis. LMM Duramax. Delo 5W40, 20k (ish) OCI's. Current odo is 649,678.

Valvoline, Klondike, Delco, Motorcraft all have ULV fluids. Anyone else brought a real (~4.5 Cst) ULV to market?

Available now at Walmart, there is a new full syn Delo XSP 15W40 available in gallons and 2.5 gallon jugs. I thought it was a typo and it was actually 5W40 but my Chevron rep confirms it is a new product and is 15W40 full syn. I checked online at a few Walmarts in MI and it pretty widely...

Looking for experiences with the new 600 Delo in DIESEL TRUCKS (or pickups). Have some new ones coming in (Duramax L5P) and I'm thinking about using it. If your using it in a gasser or your car...thanks but not relevant to me.

A while back I posted the averages after 400,000 miles of oil samples on one of my Duramax engines. That engine has now gone 100,000 plus more miles all on CK4. Below is a Summary and the actual data. Did anything change about the truck? Yes, it does more short trips now vs the constant long...

Noticed this on a PDS for an ATF where the product was "suitable" for some specs (like MB 236.12 etc). The suitable spec numbers all had an asterisk behind them that led to this... *California law prohibits all manufacturers of multi-vehicle ATF from recommending products in certain...

Anyone know who is a full line dealer for these? (ie not Amazon 1 offs)

OK...the disclaimers first, 1. This test is not scientific. The additives were used as prescribed (correct dose)..science ends there. 2. This represents the worst case scenario. This is summer fuel from ElPaso TX...in -15F temps!! 3. I do not have gelling problems...at all. I did this for fun...

This is from the same Duramax as the 400,000 miles of samples. Filter is a Fleetguard FS20002. The inner screen covering the final fuel filter was purposely cut and lifted out of the way.The filter was in service for 40,000 miles during the summer, hence all the black staining from the...

This is a filter from the Duramax I posted the 400,000 miles of samples. Filter is an LF16102, plain cellulose. Service interval is 20,000 miles.

I was a bit surprised at what came back, including the total lack of any moly. Will be interesting to see how it does. Line 1 is the CJ-4 oil (packaged in Aug of 2017), Line 2 is the CK-4 oil (packaged in Oct of 2017)

I bought some diesel fuel a while back in El Paso specifically to bring home and do some winter fuel additive testing. My thought is to fill new clean Mason jars with the fuel, 5 of them with untreated fuel, 1 each with the prescribed dose of additive from Howes, Power Service and, Stanadyne. I...

Does anyone have any long term or fleet experience with Delo ESI grease (the red Delo stuff)? I switched to it a couple years ago from the regular Delo grease (blue stuff) and I'm starting to see steering component wear in applications that never did before. Trying to figure out what's up. Both...

The Delo The Klondike

Vehicle 2009 Chevy 3500 cutaway chassis. In service date Aug 2011 Engine: Duramax LMM Oil: Chevron Delo 5W40 Full Syn CJ4 for whole life. NO Additives! Filter: Fleetguard LF16102 Service Interval: 20,000 miles for oil and filter Below is a data summary report for this unit. On the right side...