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Honestly, just get the proper test procedure and show it to the tester each time you go in. No need to adjust anything. Just do the test correctly.

The reason there is so much misinformation out there is because the oil and fuel industry wants it that way. I know it sounds like a "conspiracy theory" kind of thing but actually it is just a delaying action on the part of the oil industry. Soon all these old engines will be gone and there will...

That was my original point about spare parts. Since the Toro-Flow engine is not the same as the gasser engine.

Nice truck, and cute girls. I read that a lot of people repurposed the ToroFlows into 3/4 and 1 ton trucks in the 70's . They seemed to live a good long life in that application.

I use the MAXX brand myself but basically they are the same. Just remember to follow the directions for use. As has been mentioned already, too much zinc can cause other problems.

I went to the site 6066gmcclub.com and all I could find is that maybe the crankshaft will fit. I appears the block is different. According to the article, not much fits between the engines. I worked on these engines in the 70's. I don't remember the head gasket problems, but I do remember the...

What he said.

That could work.

I wish we had a service like that out here ! When Home Depot broke my rear window it took me weeks to get all the glass out. There probably still is glass laying on the floor somewhere.

You didn't use this oil in the transmission did you ? It is basically for differentials or very old non-synchro transmissions. Ours does have synchros.

First off if you can get your hands on the correct manual that would be great. It's "TM 9-8615" Ross Steering Gears. Second there is two oils used. Gear oil in the main body and hydraulic oil in the pump and power piston and control valve. I know that sounds weird but that is how it was...

Ah no.

Most all diesel trucks in the commercial world have modern diesel engines. They are just more fuel efficient which means more money saved. You might see a small owner operator still using an older diesel but in all honesty I haven't seen one in years now. As for the little diesel trucks, if they...

I know nothing about the testing procedures, and what I know about diesels in general, I've learned from this site and the TMs over the last 18 months. Everything you said makes sense and I know you have the experience to back it up. If the proper procedure is to put the meter into the stream...

I agree, this was a well done study. Note that it had to be done by "private" individuals. The fuel companies would never do a study like this as they know the outcome already. I posted an article from the "Independent Fuel Station Association" (which my best friend belongs to since he owns a...

I was thinking the same thing.

There should be gear oil in the main body and hydraulic oil in the power piston and control valve. It appears your seals gave way and the hydraulic oil mixed with the gear oil. You know how the water got in. You will need to completely rebuild this unit. Be very careful removing the power piston...

Well I read the whole article and the companion article. First, there was no mention of "older" diesels (Pre 1999) in the companion article. Second the tests referenced where from 1999. They used the "scuffing load ball test" which was discredited over 10 years ago. Third this whole article was...

First off your video doesn't load up. You need to post it here on this site. Second I'm pretty sure the "testers" don't know what their doing on a large older truck. We have to test our busses every year. It's called an "Opacity" test. It measures the amount of carbon and "soot" in the exhaust ...

Is your present truck out of commission ? Anyway thanks for the compliment. As far as the trip goes, we should start some sort of plan. It seems their is a number of people who want to go. I'm still trying to finish my steering project. Parts are still at the machine shop, and I'm unable to work...