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I need to check this thread more often, some very cool stuff going on here Paul

If this is governed at 1700 it sounds like a Econodyne This is helpful information Paul

That's a sweet looking truck. I would take a 6 speed. Ive drove the 7spd, and i sucked at it, the shift gates are too close and I would screw up. Of course, that truck was in my life in 2000... i may be a bit better at it today..... nahh, just kidding..

I feel your pain Joey , I seem to attract underpowered trucks. My f800 dump is the same truck and 5.9 12v but with a seven speed.

I drove about 200 miles today. Cheapest price for regular gas I saw was $3.59, highest was #3.99. The place where I usually fill up was $3.61 before my 3 Cent/gal discount.

Next time, or maybe I will put a triangle on the back.. I ran the 4 ways so much, I had to refill the blinker fluid bottle when I got back..

You are getting paid by the hour!!!!!! Just paint dayglo orange and yellow stripes on the back!!!!!!!

Any of you fine fella s have issues with a 2015 mack granite mp8 engine just shutting off randomly. changed the engine harness, replaced all the cups, fuel pump, and found a bad ground. truck now starts quickly but really has no power under a load. pulling a volvo 160 and has a hard time getting to 30 mph. Put new fuel filter housings and boost pressure sensor. Have mechaic check valves again in the morning.

regular gas today was $5.10, and diesel was $6.48. i filled up pat costco for $4.85 per gallon.

well i did like the first one,,,,woohoo

ya thats what it is here,,,and gasoline is 525

mrsmackpaul, The tag on the valve cover indicates its a 300. Ive contacted some help at a dealer here in Iowa that is tracking down serial numbers. Part of the tag is unreadable but he said it is for sure a 300. Back in the 70s I was always overweight, weighing in a good 20,000lbs over. Even at that weight I found a few speeding tickets. This one however is governed at only 1700. Ill get more details as they come available. The axle ratio is 4.17 and tires are 11x22.5.

Diesel is $6/gallon on I-85 at the truck stops.. (Central North Carolina)... WOW!!!!!!!!!!!!!!

I had a pump motor on an RGN. Came out of a power generating station. Had to take the center boards out of the RGN for the shaft to sit down between the rails. I remember it being heavy as well as tall. That was a big sucker!

I only had about 6000 pounds on board. Dont know what the crane weighs.

They were popular "chip" trucks for tree surgeons. So Ok when empty but loaded they struggled a bit.

It pulled good, I ran out of rear gear.. if it had an 8LL OD. I think I could have gone 70 MPH.. I dont need to go fast, just dont need to get run over.

505 CID, so no surprise it isn't a speed demon.

It ran great. It has never left the city lomits in its near 30 years of life. When I parked it, there were no drips, or bad smells.. next time i drive it i may were ear muffs. 😁

Most of those had a 8.3? C Cummins. Most weren't much of problem, I remember run solenoids and wiring being being chief problems. Could be worse could be an 8.2 fuel squeezer Pontiac (whops, Detroit).

I got to drive this little gewel today... I had to bring those 2 pumps in for repair.. The shop is 92 miles away.. I was a rolling road block for 4 hours.. I bet I made a lot friends who told me I was #1... take note of the speedo, and the original miles on the inline 6 cummins. I think its a 12 valve..

And also be realistic with your expectations, the E6 is only a small motor but does have a big heart All of that been said, you won't ever mix it with the big boys in modern equipment Paul

How do you know it's a 300 E6 and not a 350 E6 ? Does it have a boost gauge ? If it does have a boost gauge, what does it read when pulling hard ? Whats the diff ratios ? The E6 has to be reving right at the speeds you want to travel to get the power you want Is this a Thermodyne, Maxidyne or Econodyne E6 ? All of this information is important before changing things It's easy to spend money and not get the result your chasing if you don't know your starting point Nail down the points you can 100% say are 100% correct and accurate and then and only start making plans Paul