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I’m considering replacing my suspension, still have some teardown and inspection of brakes and drums to do first. I don’t have any problems, my trailer tows great with my F250, no WDH, doesn’t porpoise or wallow, not top heavy. I plan to travel to Colorado in June to camp for a month, so I called Alcan and discussed a quote with Tim. I advised him I was interested in the 4 leaf springs rated at 2250 lbs, D52 axles. I recently weighed my trailer at a Cat scale, it was 5940 lbs fully loaded, water tank full, gray tank empty. I can appreciate why many feel best with 5 leaf springs, but 9k spring capacity with a 6k trailer allows for significant overcapacity, which I feel safe with. Alcan 4 leaf spring leafs also extend well past the weak point on the Dexter OEM springs. Attached is the quote if interested. I had a few technical questions for Tim based on legitimate concerns raised by Geronimo John earlier in this thread. 1) Why does Alcan supply splined wet bolts, but the shackles are smooth bore? It seems this would allow the grease ports to rotate out of the optimal position. Tim explained the bolts are an interference fit, so once tightened up, they shouldn’t rotate. 2) Why does Alcan use 9/16” straight shank wet bolts, as compared to Dexter 9/16” shank stepped down to 1/2” threads? Tim explained they have seen many Dexter bolts sheared off at the shoulder (likely due to over-torquing). Dexter wet bolts should be torqued to 30 ft-lbs min, 50 ft-lbs max (see Dexter instructions attached). As Geronimo John explained, the Dexter wet bolt shoulder is designed to allow the proper clearance between the hanger tabs and the spring bushing. If Alcan straight shank wet bolts are over-tightened, there may not be adequate clearance between the hanger tabs, resulting in abnormal wear and possible difficulty getting grease to purge. Alcan provides a torque spec of 65 ft-lbs, but regardless, clearance should be checked, and torque modified as needed. Hence the reason Alcan use Nylock nuts. So, Alcan takes a different approach to this application than Dexter. Lessons we’ve learned from each other are to use caution torquing your wet bolts (either Dexter or Alcan), and be mindful not to strip the splines. I recommend strongly securing the bolt head while torquing the nut. Sent from my iPad 059-867-00_ez_flex_complete.pdf

I believe Chris is correct regarding these wire gauges. Certainly the hitch wiring on the BLUE wire is 10 AWG. Given each individual trailer brake pulls 3A, then 14 AWG is sufficient, too bad they do not run wire, internal to the axles, with heavy rubberized insulation! You can see in my photo, the junction under the front dinette seat where the trailer wiring harness is split. It appears it connects 10 to 10 AWG on the Blue wire with a yellow/10 AWG butt connector. OTT also uses a yellow 3M ScotchLok connecting a green wire. I'm guessing the green wire powers the Oliver brake lights. They must split the 10 AWG blue wire again just inside the streetside wheel-well where there are two wires to power the brakes of each axle. My guess is they would use 12 AWG there, then connecting to the 14 AWG Dexter axle wiring going to each of 4 wheels. 😎

I've got an old set of D52 axles and they have 14 AWG inside the axles. Fed with 10 AWG from the trailer connector, though.

Thanks, Geoff. This would be a good Forum project if a number of members are interested. I'm going to see how the PVC drain cover pictured above will look. I already have the parts and I ordered some Gorilla Clear Grip that @Hokieman suggested, arriving here on Monday.

Thanks Chris & John. I plan to crawl under my Oliver soon and check the wiring. I may pull it out of the D35 axles to inspect. John Davies had significantly undersized brake wiring in his 2017 Oliver. https://olivertraveltrailers.com/forums/topic/2685-how-to-brake-wiring-is-undersized-some-answers-and-partial-solution/

Asking a ridiculous amount means they didn’t want the job either. I’ve seen folks do that before.

Most of those who I contacted didn't want the job at all. The ones that did wanted a ridiculous amount.

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Greetings to the two Olivers we saw on i-95 South today, one near Savannah, one near the Florida Georgia line.

David, @Patriot should chime in. He prefers mounting the wet bolts, Zerk fittings to the inside. You get full clearance but the down side is you have to crawl under the trailer to lube the suspension. I prefer mounting the wet bolts in the standard direction, facing out, but then I replace the straight fitting with a 45-degree Zerk fitting to get the required clearance. I usually have some reason to remove the wheels every year or two and always lube the suspension at that time anyway. Your old suspension likely has 6mm x 1 threads on the Zerks. I'm pretty sure the Alcan wet bolts use 1/4" x 28 fittings. You can verify this with Alcan. https://www.amazon.com/dp/B0DQBPTK3Y/?th=1 Get one of these too, and many of us use a battery-powered grease gun. I have the Dewalt model with the LockNLube coupler attached and just the other day, I was able to lube the suspension on my truck in minutes! https://www.amazon.com/dp/B00H7LPKKU/?th=1

Thought I would check back in after our first towing/camping trip with the new Powerboost F150 for those of you who might be interested or new comers considering this truck for a tow vehicle. I'll cut to the chase and state thus far I have been astonished not only by the trucks capability but also the gas mileage both in tow mode as well as untethered. On our trip down to Yellowstone this past week we averaged just a tad over 13 mpg, all uphill or nearly so. The return trip we were hitting at 18.5 mpg mostly downhill other than 4 formidable hills north of West Yellowstone, but speed limits through the canyon are mostly 55 mph with occasional periods of 60 mph and I kept the truck at the speed limit. Driving untethered in the park we were obtaining as much as 42 mpg from the Canyon area back to West Yellowstone and on a second trip to the Canyon area 36 mpg but we encountered quite a bit of headwinds on the second excursion. Granted speed limits in the park are only 45-35 mph which helps, but still incredible for a half ton truck loaded with bikes, cameras, Yeti ice chest, various other gear etc. In Eco Mode while driving around town back home I am seeing around 24 mpg on short trips. While racking up some miles before towing (1000 minimum suggested) the truck averaged 28 mpg in Eco Mode traveling from Bozeman to Ennis down the Madison River Valley over to Quake and Hebgen Lake then down the canyon past Big Sky. All in with just over 1700 miles, towing, in town and highway just a sliver less than 21 mpg for system not broken in yet. That's the good news, now the not so good news depending on one's disposition. These new vehicles are very complex and technical beast and while I am fortunate enough to be technically inclined there are a lot of folks who are not. For those people vehicles such as this can be very overwhelming and intimidating. Many of the features can mostly or partly be ignored, but a lot of them cannot which could be a very frustrating experience for some people. The adaptive cruise control is awesome but thus far have not appreciated the lane assist nearly as much. Our 2017 Subaru is much better at this task than the F150. I simply don't trust it on winding, curvy mountain roads and turn it off. The free trial of Blue Cruise has been somewhat of a mixed bag, and like the lane assist seems to struggle with tight curves but is fine on wide sweeping curves and straight interstate highways. Given the cost of this feature it's unlikely I will pay for it beyond the initial 90 trial period. It's my understanding GMC has produced a much better version of this feature than Ford. When it works, it's great but I would be lying if I didn't say it feels downright weird at times hands free driving. The tires (Hankook AT) Ford installs on these ridiculously expensive trucks suck, period. They are round and roll down the road but thats about it. The reviews of this tire concur. Ford, what were you thinking? Enough for now thanks for all the input and info leading to this. Rob