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 > Your search for posts made by 'RoyJ' found 103 matches.

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RE: Shocking the TRX

In sprints, EVs pretty much takes the crown everywhere. Their current (pun intended) challenge is still sustained power. I'd love to see an EV dually or even medium duty towing 35k lbs up the Ike. I don't believe current packs can sustain 400hp continuous, but I could be wrong. EV supercars (Model S plaid) are also significantly slower than equivalent power IC cars (Veyron) at the extreme top end, due to battery / motor limitations.
RoyJ 01/20/22 04:36pm Tow Vehicles
RE: AGM battery

Usually you don't want to exceed 14.7V with AGM, as it may increase pressure beyond value safety settings, and outgas. That's a permanent loss of electrolyte. Other than that, there's no reason why AGM can't be used in a specific vehicle. They're better than flooded in every way except cost.
RoyJ 01/20/22 04:27pm Tow Vehicles
RE: Grand Wagoneer vs RAM 1500

Now that I do agree with - when's the last time we saw Gates and Bezos in a Rolls? Real success needs no symbol. Bezos literally just flew to space in what looked like a giant [email protected] He's way beyond a Rolls. He didn't do it to show his wealth, he did it because he could. The difference between the uber-rich and just made it rich.
RoyJ 01/20/22 04:24pm Tow Vehicles
RE: Grand Wagoneer vs RAM 1500

Maybe. The point was that overwhelmingly reviews will state that in terms of luxury, the GW will stand up to any vehicle out there. And, FWIW, data shows that most ultra high income individuals don't buy based on status symbol. The top two vehicles for those making over $200k/year are the F150 followed by the Jeep Grand Cherokee. The top 3 brands are Toyota, Honda, Ford. Now that I do agree with - when's the last time we saw Gates and Bezos in a Rolls? Real success needs no symbol. Status symbols cater to the shallower market of new money, think Vancouver high end real estate agents, start-up companies, etc. I have zero doubt the GW is every bit as luxurious, just like a Track Hawk can hang with Euro's best hyper-SUVs. I just doubt they'll be run-away sales success due to their family background...
RoyJ 01/20/22 11:42am Tow Vehicles
RE: Grand Wagoneer vs RAM 1500

Have you looked at one? Or read any of the reviews? It sure doesn't sound like it. I'll save you some time. Here is a MotorTrend comparison where it bests the Escalade MotorTrend Vs Navigator AutoGuide Comparison Reviews alone don't sell vehicles at this price bracket; Badge and status symbol is a BIG part of it. Many Range Rover and Mercedes buyers don't even know what an engine is, but need to buy them for the social meetup after the board meeting. A VW CC, Audi A8, Bentley Flying Spur are all modifications of one chassis. A CC drives every bit as nice as the Bentley, just rides firmer. One's a junior manager's car, another for the junior VP, and the last one for senior board member / chair.
RoyJ 01/19/22 01:32pm Tow Vehicles
RE: Are the HP wars over?

You beat me to it! Would be nice to have all three tow 30k with each using their lowest gearing to see how they do on LONG STEEP grades. I too want to see - Ike in summer. Read somewhere the PSD will de-throttle under continuous duty cycle. Not sure if it's true. Does seem too good to be true based on cooling capacity. A class 8 running continuous 475hp requires much larger coolers, and they're likely running higher efficiency than a PSD @ 475hp.
RoyJ 12/23/21 05:24pm Tow Vehicles
RE: Are the HP wars over?

How I like to put it: ultimately, HP gets a load up a hill (as per Newton). Torque is simply a way of making hp, via rpm. But if an engine ONLY has torque (2000 lb-ft @ 150rpm), it's getting nowhere fast. Another law of physics: you can always CREATE torque with gearing, but you cannot create more power. You just made two opposing statements, first is Torque is a way making HP through RPM. The second, you can create Torque through RPM and gearing. The second is true. Which part is opposing? Torque must have rpm to generate hp. Torque alone is a measurement of force. HP is a measurement of power. Power = force x velocity (speed) To climb a hill, you need a certain force at a given speed, which equals power. Torque is not part of the equation.
RoyJ 12/23/21 05:19pm Tow Vehicles
RE: back to gas v diesel

That's sort of a flawed perspective. Businesses that need a diesel will buy a diesel. All the hot shotters are using diesels. You do not see guys who criss cross the country in pick ups hauling goods using gas powered trucks. Yes guys doing local business may use gas trucks, but in general those trucks are carrying smaller loads and not traveling as far. AS aresult the diesel advantage is less important vs. those that need to maximise performance from thier vehicles Very, very few hot-shotters are fleets. As I said: "Modern diesels are desired for performance, not lower lifetime cost" So nothing contradicts - hot shotting requires performance. Any business that DOESN'T need the performance of diesels are buying a gas. If diesels are cheaper over the lifetime they'd all buy diesel (like they did in the 90s early 2000s)
RoyJ 12/23/21 05:15pm Tow Vehicles
RE: back to gas v diesel

All of the cost comparisons are flawed. None take into account the time value of money. I think Internal Rate of Return (aka Discounted Cashflow Rate of Return) is best. Net Present Value, is OK. What you bought it for, what you sold it for, and every last cent you spent on the truck are needed, along with miles and duty cycle. This is the metric that companies use to determine gas or diesel for their fleets. And most light duty trucks are gas and heavy duty are diesel, with a gray area in the middle, for sound money reasons. Nailed it. Modern diesels are desired for performance, not lower lifetime cost. Proof? Look at how many fleet vehicles, from parcel delivery to 30k lbs school buses, are transitioning to gas. A business's only interest is cost, and many business managers have crunched the initial purchase + maintenance + fuel - resale math, gas must have came up on top. We're enthusiasts, and can justify the pleasure of diesel performance against probability of a high pressure fuel system failure or $$$ emissions repair. A business can't.
RoyJ 12/22/21 03:51pm Tow Vehicles
RE: Are the HP wars over?

Torque is what counts when hauling a load. LOL, I wish you would tell that to my 440ft/lbs of torque 6.5 when I'm doing 25 MPH up a hill and a 5.3 gas rig with 383ft/lbs comes blowing past me like I'm standing still pulling the same or bigger trailer. :R How I like to put it: ultimately, HP gets a load up a hill (as per Newton). Torque is simply a way of making hp, via rpm. But if an engine ONLY has torque (2000 lb-ft @ 150rpm), it's getting nowhere fast. Another law of physics: you can always CREATE torque with gearing, but you cannot create more power.
RoyJ 12/22/21 03:43pm Tow Vehicles
RE: back to gas v diesel

"I can see my engine": LOL, ok, you can see your engine. "look I can change my plugs and plug coils because I can see them." Ya, so? Diesels don't have those so why worry about it? And if it's so important to see your engine why not just get an inline? Don't think that was meant in the literal sense. There's no denial modern diesels have much higher repair / maintenance costs than modern gassers. At my current company nearly every fleet truck under 5ton is a gas.
RoyJ 12/20/21 03:53pm Tow Vehicles
RE: Brake Pads

If heavy towing, get semi metallics with the highest friction code (FF or better). Take a look at F550 pads on Rockauto - only semi mets, no ceramic or organic. Same with medium duty trucks / school buses. Ceramics don't dissipate heat well.
RoyJ 11/15/21 01:37pm Tow Vehicles
RE: GM's New LT6 Engine

Only watched part of it, but wow! Presuming it’s a pump gas motor as well since it’s destined to be a production engine? Simply amazing power to displacement ratio! that wont be a production engine, its a vett only motor. to expensive of a motor for general production no one would pay the extra for it. Steve Z06 is a production car, so this is a production engine.
RoyJ 11/01/21 12:34pm Tow Vehicles
RE: 2023 GM HD 505hp/1085tq

There are no loads a regular license can pull that *need* 505 hp.
RoyJ 09/17/21 12:57pm Tow Vehicles
RE: Cab/chassis vs standard DRW

Do Cab&Chassis trucks weigh more than standard DRW trucks (all other things equal)? I bought a 2021 3500 Chevy DRW cab/chassis gasser, crew cab, 4x4. The stated payload on Chevy's website for an "equivalent" gasser (3500 DRW, crew cab, 4x4) is 6610 lbs, stated GVWR is 14,000lbs. Since my vehicle is "incomplete", can I assume the same payload (6610 lbs) plus whatever the weight of the "deleted" bed would be on the equivalent 8ft pickup, minus whatever flatbed I installed? In practical terms, I have a Hillsboro GII steel bed that weighs 1230lbs. If I assume that the 8ft DRW bed weighs 500lbs, can I do 6610lbs + 500 lbs - 1230 lbs = payload of 5880lbs on my cab/chassis equivalent? Thanks! So back to OP's question - I'm almost certain the pickup with bed deleted will be lighter than a CC, assuming same engine, options, wheelbase, etc. A boxed frame is stronger than a C-channel pound for pound. Their shape is also easier to optimize to squeeze out more weight to strength ratios. With a c-channel, you have to be straight and uniform in cross-section for up-fitting.
RoyJ 09/05/21 12:24am Tow Vehicles
RE: Who would of guessed

Very old video, and yeah, proves friction wins tug-o-wars, that's about it. Out a 3.5hp Briggs into a loaded Cat mining truck, gear it properly, would out pull a 4400 hp GE locomotive.
RoyJ 08/23/21 03:17am Tow Vehicles
RE: 2022 Toyota Tundra Reveal

Power wise it'll likely blow the 5.7 out of the water at ANY rpm. Big question is would it match Toyota V8s for reliability? Well, they're confident enough to put it into the new Land Cruiser, whose reputation is built on 300 - 500k mile life. Reliability is one of the few (if not only) reason why any one would buy a Tundra in 2020 / 2021. Other than that the domestics are better in almost every other way.
RoyJ 08/17/21 02:39am Tow Vehicles
RE: Towing with 2004 Lincoln Aviator

I have recently purchased a new old Gulf Aero Light 19 ft bumper pull camper. The camper weigh 4005 LBs dry and about 4500 loaded with gear but not fresh water. I have a 2004 Lincoln Aviator with a 4.6 L 281 V8 dohc with 110,000 miles. The tow rating on the TV is 7000 lbs. Can I successfully pull the camper, it seems a bit sluggish? Could sure some advice. Here's a trick to get better performance - put on the smallest tire with the highest payload that can match your factory rear GAWR. I believe it's 3400 lbs. A 225/55R16 XL tire carries 1709 lbs @ 51 psi. 25.7" diameter. OEM is 29.5". It's a 15% gear upgrade at much lower cost. If you have 3.55 gears, you now have 4.07. And 3.73 gears are now 4.28. It'll look funny, but the cheapest way to gain true towing performance. As a bonus your brakes will also feel much stronger.
RoyJ 08/17/21 02:34am Tow Vehicles
RE: Jeep Gladiator Overland Tow vehicle

I'm all for breaking GCWR rules on full size trucks, but in this case the trailer is too much for the Jeep. JT is close to 5k lbs, the trailer UVW likely doesn't include propane / batteries. At 11k GCW you have roughly 1000 lbs for batt / propane / water / clothing / food / gear. That's cutting it close. Then we have double the frontal area...
RoyJ 08/17/21 02:13am Tow Vehicles
RE: Ultimate payload monster?

Class 8’s are engineered individually on a per order basis by the factory applications engineering group working with the dealer sales person who works with the customer. As mentioned by others a large number of factors are involved in a spec. This applies more to heavy haul customers, like specialized C500s and T800s with enlarged radiators, hub reduction axles, that get used to haul transformers and power plant structures. For a run of the mill OTR Class 8, I see 2 main classes: 80 - 90k GVW line haul, where hwy fuel efficiency rules; and flatbed / "heavy haul", with mid rise sleepers and steeper 46k rear ends. This probably covers 90% of your fleet / owner op purchases. Here in BC tridems are popular, as we don't allow lift axles. They're in their own niche, not quite as heavy as real heavy haulers, but heavier than typical flat bed spec. They're usually T800s or Western stars with the largest radiator without going super wide hood.
RoyJ 08/09/21 01:13am Tow Vehicles
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