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Here in Indiana I see a LOT of the landscape pros using Exmark and I assume that's because of good history. (I bought a Ferris primarily because of the coil-over suspension because I'm old and the yard is bumpy).

Gas broke under 3 bucks here in Indiana I can afford to mow my 2.5 acres now!

I've mentioned this before but my niece had one fail at 150,000 miles (she was the third owner of basically a beater with minimal documentation available on maintenance history) and the dealer put a used engine in for the cost of new fluids. I was pretty impressed thinking they want customers to...

I bought three beaters (Saturn Ion, Pontiac Vibe, Lexus ES300) for the grandkids and told them if I catch one more than a quart down I'm doing a re-po. So far so good.

You're confusing me. This is from the manual for my Hydro Gear ZT-2800s an engine oil with a minimum rating of 9.0cSt (55 SUS) at 230° F (110° C) and an API classification of SL is recommended. A 20W50 engine oil has been selected for use by the factory and is recommended for normal operating...

Dexos licensing is so expensive the two cheapest brands on the market (Walmart Supertech and Costco Kirkland) have it.

Plugs easy to access on these and do a quick compression check while you're in there.

On our 8.1 GM gassers at Allison we ran Mobil 1 15W50. Never had oil related issues. Broke plenty of parts but mostly valve train due to lots of high rpm cycling.

Wisdom

I've been running Allison Transynd in my 67 Camaro powerglide since I rebuilt it ten years ago. Not a huge number of miles but it functions well.

Possible. That would be an easy test to run - throw a couple bearings in a can and cook on a hot plate at operating temp for a couple hundred hours. At Allison our material lab constantly ran these type of tests on many elastomers and fluids. That's how they detected some compatibility issues...

The Supertech/Kirkland stuff seems to produce some pretty good oil analysis numbers. It's almost like meeting that Dexos spec points them in the right direction.

Modern ATF has minimal detergents because it doesn't have to deal with products of combustion (blowby). He obviously was talking about the 1960s with the sperm whale oil based ATFs.

Same here. If this stuff was truly rare and precious due to geopolitical events like all these YT videos claim, I don't think it would be selling for 3 bucks a quart.

I think a LOT of the issues we're seeing in parts is low quality polymers from China/India/etc

That's interesting because manuals are typically pre-filled at the transmission plant. GM even got to the level where automatics were pre-filled at the transmission plant because the vehicle assembly plants consider fluid fills to be a process headache. The cooler fittings that threaded into...

That's correct, although I'd probably change oil too if I went that far.

There are two cartridge filters easily accessible on the bottom. Many YT vids showing how. 6 bolts on each cover. Need a big pan to catch the oil. Do use a torque wrench on install, 38 lb-ft. Probably best to buy a filter change kit that has the o-rings and new gaskets to re-seal properly.

We (I'm a retiree of Allison engineering) validated those transmissions on everything from Dexron III, 0W20 Mil spec engine oil, 15W40 Mil spec engine oil, 30W engine oil, and Transynd which is basically the best Dexron III we could formulate. Later versions of Transynd like 668 have improved...

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