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#4541317 - 10/12/17 03:53 PM TRC motor oil for detroit diesels?
eggcaptain Offline

Registered: 10/11/17
Posts: 1
Loc: MA, USA
I have always used Detroit SAE 40 (Delvac by Mobil) in my 6V-92 marine engines. Mechanic that I recently used recommends TRC oil for better lubrication and longer wear. Does anyone have experience with TRC motor oils for diesels?

#4541387 - 10/12/17 05:13 PM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
BrocLuno Offline

Registered: 09/06/15
Posts: 5057
Loc: Kalifornia Kollective
No experience with TRC, but Delvac SAE 40 is a very stout oil for Detroit's.

I dunno where he gets his info ... I'd like to see the specs on TRC?
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

#4541410 - 10/12/17 05:45 PM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
xxch4osxx Offline

Registered: 03/11/09
Posts: 2478
Loc: Cedarbrae, Ontario
I think I would stick with the Delvac oil.
2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)

#4541419 - 10/12/17 05:59 PM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
64bawagon Offline

Registered: 01/10/17
Posts: 163
Loc: Michigan
Theres an awful lot of history with Delvac 1240 in that series of engine.
05 Duramax Chevy(SOLD), 64 Chevy wagon, 10 Jeep Wrangler, 17 Equinox (rental), 18 Silverado 1/2 ton

#4541442 - 10/12/17 06:30 PM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
Rob_Roy Offline

Registered: 10/26/08
Posts: 962
Loc: Northern, NY

I have not used their DD oil, but I have been impressed with their CJ-4 and CI-4 15w-40 in other applications. The Delvac is a good product, but it would be interesting to know what experience your mechanic has with the TRC product in Detroit 2-strokes.

If your mechanic has TRC products in stock, see if he has any of their diesel fuel treatment. Most people that use it in older diesels are pleased with the results.
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#4541449 - 10/12/17 06:46 PM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
Rudy1999 250 Offline

Registered: 07/22/05
Posts: 121
Loc: Brighton MI,
I am a sales guy for TRC... if i can help you let me know... Their Tech Department is very good.
A Salesperson/Problem Solver

#4542008 - 10/13/17 09:44 AM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
bigj_16 Offline

Registered: 07/03/17
Posts: 1240
Loc: Douglas County, Colorado
I have no experience with the 92, and just a little with the 149. Most of my experience is with much bigger Detroits. I would use the Delvac 40 weight, if it has been working for you.

#4542017 - 10/13/17 09:52 AM Re: TRC motor oil for detroit diesels? [Re: eggcaptain]
4WD Offline

Registered: 09/21/10
Posts: 5540
Loc: Texas/International
Delvac … used to see it run in the 8V92’s … and they’d rev them just screaming fast !
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