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There is a huge difference between what can be done with a mechanical engine and what can be done with electronics. You said you want a mechanical controlled engine, that limits what can be safely made in terms of power. At best mechanical can only have a speed based timing. That alone limits what can be done. Same on boost control. it would be a fixed map. If he wants that kind of power, then start with that powerplant. The hard work has been done, but there again it is not mechanical. Adding 10% to that would likely hold together, but may not. It wouldn't be the 1st powerplant that was discontinued/down rated after they came out when it was found they couldn't stay together long term. I stand by the comment that 11L mechanical engine @500 hp is not realistic, esp with your other requirements, of 500k to overhaul, and not being "babysat". The only fully mechanical truck engine to break 500 hp from the factory was the K-19 Cummins AFAIK. a 19L engine. Many did so when electronic controls and the items that are controlled were developed. All this to pull a "regional end dump" around? I pulled double your weight and much more wind resistance with ~430 hp. If you want an engine of any size that you can mash the go pedal and not watch the gauges, and I'm not sure there are any that fit that requirement, then it will a stock engine. drop in a 460 and play with that.

I feel Outback is about the same as Longhorn, But you are paying for the name.. As far as I am concerned Olive Garden is nothing to brag about.. You are better off looking for a family Italian place..

I've never been to Outback. Zina finds it hard to believe I've never been to Olive Garden. Just never got around to it.

They said an electric van exclusively for NA was cancelled. So I assumed that meant a planned electric Maverick van (NA Transit Connect subsitute) was cancelled??? If a Maverick van (V758) is still coming, shown to dealers in 2024, Farley is dragging his feet (2028).

If you're thinking of doing a swap like that for reliability and power, a 3406E/C15 is about the best swap there is. Harnesses are readily available from Kustom Truck in Coos Bay, Oregon. We've done several ISX, Paccar and other mechanical engine swaps for the 3406E/C15 conversion and the results are great. I guess it just depends on what kind of money you're looking to spend.

I can tell you from Experience The 14L 60 Series Detroit with The Right transmission and rear gearing behind it will Pull Sandstone Like a Champ at those Weights and Still git Good Fuel Mileage. I used to Haul Lumber down to Blue Ridge Lumber in Bells Valley Virginia.

I have some used full tilt manifolds and a new switch blade turbo that I never installed and I might have some bigger injectors If you decide to go that route. Or I also have a low mileage CL with an E9 I have been thinking about selling

I guess if you drive it with respect it may live. Even though i was sceptical, Mack did make the 460 XT which was rated at 485 HP. And somewhere around 2000 lbft of torque. The drive line needed to be beefed up for that. But if you are the only driver, it may live.

E9 kits are still advertised in Australia so I'm guessing with a little research they should be doable in the state's Paul

Thanks Paul there's allot of great information in that post. I think this can be done reliably

E7 they made a 454 i was thinking build the same spec +10%. Willing to spend $$ like ceramic coating pistons after market turbo , over sized after cooler and full tilt exhaust manifold witch flows 20% more

My max will be 80,000 sometimes 88,000. Worst mountains would be fancy gap and sandstone.

I think you may be right saddly

Im not asking the engine to climb the Rockies. Not asking for engine to make a million miles. Worst MT it will see in 77 or 68 wv va

I was thinking the same thing. Its going to be a total out of frame is just want a clear plan before I start. Was going to do full tilt exhaust manifold bigger turbo injectors ect.

That's what I was thinking to

Im doing regional end dump. Im starting to think about fitting a 3406C. I'd like to do a E9 but parts availability isn't great. Might just go to another brand. Ive always owned Macks.

Quite possible, but I have heard rumors of a van based on the Maverick platform. I'll wager the E series will soldier on.

I would think it's doable they made electronic e7's that were 454 with the inline pump and they lived a million miles. I wouldn't think 10 percent more would be that critical if it was done right

https://choiceclips.whatfinger.com/2025/12/22/holy-shit-this-mayor-of-lawrence-ma-cant-speak-english-democrats-are-turning-us-into-a-banana-republic/ No one speaks English in Lawrence anyway! .....Hippy

Agreed. I suspect Ford is finally going to bring over the mid-sized Transit Custom.

Fonda NY, on the Mohawk river was like that.. The shut down was over the bank between 3rd and 4th turns.. If you did NOT get it stopped you went swimming!!! Went there several times in the early 60's..

$29 for prime rib sounds cheaper than a ribeye steak at Outback!!!

Heard Trump is really starting to Care about illegals especially with Christmas coming. He's actually sending them home so they can spend time with their families for The holidays 😆 🤣 😂 😹 😆 🤣 😂 😹 😆 🤣.