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Author Topic: Preferred oil(s) for a CJ7?  (Read 13328 times)

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johnnyboy

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  • Vehicle: 79 CJ7 LHD 258 owned since 1980, 79 CJ7 LHD 304 quadratrack - nuts and bolts rebuild almost done...
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Preferred oil(s) for a CJ7?
« on: August 28, 2015, 12:06:43 PM »
Hi Guys.

What is the current thinking on the "best" oils for a standard 258/304 CJ7?
ie.
Engine oil?
Gearbox oil (for a T150)?
Transmission fluid for a Quadratrak?
Brake fluid?
Power steering?

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5536paulj

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Re: Preferred oil(s) for a CJ7?
« Reply #1 on: August 28, 2015, 02:27:01 PM »
I use classic 20 / 50 in my 360

not sure about the T150, or why you should have one with a quadratrac??

Quadratrac has it's own special fluid, speak to Lighthouse or order from States, called TCL 1 I think.

DOT 3 brake fluid, or DOT 4.

ATF for power steering, same as for the TH400 that should be bolted to your quadratrac..
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johnnyboy

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Re: Preferred oil(s) for a CJ7?
« Reply #2 on: August 31, 2015, 01:30:25 PM »
Quote from: 5536paulj on August 28, 2015, 02:27:01 PM
not sure about the T150, or why you should have one with a quadratrac??

258 is a 3 speed  Manual
304 is a Quadratrak / TH400 (about which I know very little...)
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Bubba

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Re: Preferred oil(s) for a CJ7?
« Reply #3 on: September 03, 2015, 07:21:50 PM »
20 50 i used in all my jeep v8s and strait 6s   th400 is at least dexron 2 atf  qtrac fluid is specific to the transfer case 
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