Darth Update

Last weekend, I pulled the Sniper out of the engine bay and tucked it safely away in a box in the garage. The mechanical fuel pump is back on the truck, but it gave me a fight the last couple of days—it wouldn’t prime, and it sits uncomfortably close to the engine mount. Thursday morning I bypassed it with an electric pump and fed the carb directly. Once it fired, the engine tried to run away on me, so I reset the mixture screws to baseline. That’s when I found a huge vacuum leak at the back of the carb. After sealing that up, it settled into a decent idle. I set timing back to about 10°, which feels a lot more reasonable, dropped the hood, and took it for a spin around the block. The choke cable still needs to be hooked back up, but once it warmed up it drove fine. Heavy throttle still causes it to bog, so there’s more tuning ahead, but it’s already a big improvement.

I do want to pull the electric fuel pump off. Now that the lines are primed I want to hook the mechanical back up and see if it will pull fuel; if not, I’m going to pull the trigger on a rebuild kit for the original unit, which fits the truck better in any case.

Meanwhile, I painted the new plywood panel for the rear bed with a marine oil-based primer, countersunk the bolt holes, and rolled on two coats of Raptor Liner front and back. I have some fresh hardware in hand to put it in more permanently, although I have to go back out to get more bolts—the ones they used are an odd thread count for their size.

Lastly, I tore down a spare rear door to salvage the good glass, cleaned the tracks, and swapped it into the red truck. Once I knew the steps, the job was quick and straightforward. While I had the door apart, I pulled the handle, chased out a bit more rust, skimmed it, and gave it a fresh coat of paint.

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Chewbacca, Is That You?

This gem just showed up on Marketplace today, and it hit me in the feels: a 1977 Scout II in Siam Yellow.

This is the spitting image of Chewbacca: matching travel top, steelies with stock hubcaps, and no lift. Inside it’s different in a few ways: it’s got a green bench seat, Rallye wheel, and woodgrain dash panel. Looks like the rockers are absolutely roached out, which means it would need a new tub at the very least. I’m sure the rot is worse underneath.

(pours beer out on the curb for my girl)

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Carburetor 101

I’m spending a lot of time going back and refreshing my carburetor knowledge, which means I’m reading a lot of articles and watching a bunch of videos. I’m going to do a link dump here so I can close a bunch of browser tabs.

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Laboring

Labor Day weekend we had absolutely nothing planned, so I took advantage of free time and mild weather to focus on getting Darth Haul running reliably. Saturday morning, after walking the dog and having breakfast with the girls, I went out and set up all of the diagnostic equipment I’ve collected for carbureted engines: a vintage dwell/tach/volt gauge, a vacuum gauge, and a  timing light. I hooked the boat tank up to the engine and painted marks on the flywheel and timing marks with a white Sharpie, then ran it up to temperature. Messing around with the distributor, I found that it was happiest running at over 20˚ of advance, which is definitely not the way it should be. Anytime I brought the timing back down to a comfortable 10˚ the engine got choppy and began to die.

I put the light on the Scout just to see where the baseline for a smooth-running engine was, and verified that was at around 8˚, which is what I remembered from the service manual. No amount of distributor adjustment could get it to calm down. Puzzled, I zeroed out the carb and adjusted the mixture screws and the idle to get the engine to slow down, and was happy to find that the stumble at acceleration was gone. At idle I was pulling 20 inches of vacuum pressure. With the engine running better (but not timed correctly), I took it for a spin around the block and was happy to find it didn’t stall out once. I also noticed the speedometer isn’t working.

At around this point my Harbor Freight timing light died, so I had to run out and get a replacement. Strangely, it took a while to get the truck to start when I got back; I’d left it at 10˚ or so, and had to adjust it a bunch before it would catch again. I continued messing with the timing but couldn’t resolve the issue. Stumped, I stepped back and cleaned the truck up as much as possible for Cars & Coffee the next morning: I swapped out the old wood floor in the back for the new one, swept out the dust, and cleaned all the windows.

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Sunday morning I made some coffee and ran the truck up in the driveway before taking it for a spin down the road. I pulled in to C&C and parked it next to a sexy Morgan 8, and I was soon joined by Bennett in his Speedster.

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The Travelall was an immediate hit with the crowd; I got a lot of questions about what it is and where I got it, as well as whether I’d driven it a long ways with the boat tank. We had a good turnout, and at one point I was parked across from an Acura NSX and a McLaren.

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Back at the house I did a bunch of straightening up in the garage, and David stopped by to pick up a bunch of parts I’d sourced for him at Nats and elsewhere. I was able to pass along the passenger fender and 6-cylinder air cleaner from Ohio, as well as a set of metal door cards I got in Pittsburgh, a pair of escutcheons, and the two eyebrow sections I’d cut off the truck in New York. He was super-happy to take delivery, and headed back to his house to get his truck running after a long pause.

One thing he mentioned to me was that he’d talked to a local spring guy about rebuilding his spring packs, and was quoted a  reasonable price to do so. I was VERY intrigued to hear about this, as my springs are also as flat as a board. This would be an excellent fall-winter project, as it would require jacking the truck onto stands and pulling the springs off.

Sunday afternoon we ran a bunch of errands but after getting back home I put my spare door on the worktable and started breaking it down to pull the glass out. What I wound up having to do was take the black inner surround out, pop the clips holding the felt out, and prep the top half to be able to slide the rails and window out as a unit. Both of the screws holding the lower ends of the rails were, predictably, rusted solid, so I hit them with PBblaster but resolved to cut them out with a death wheel. The only angle grinder I’ve got that fits inside the door is the cheap pneumatic one I got from Harbor Freight, and here I was stopped dead by a leaking/broken moisture filter on the compressor. After picking up some new fittings I repaired that after dinner, and got things ready to start on Monday morning.

A few weeks ago, Bennett had gotten a call from a guy who had a mixture of old pickup parts and passed along his info to me. There were some pictures of C-series stuff that I was partially interested in, so after walking the dog and doing some chores around the house I drove a half an hour north to meet up with him. In his garage he had boxes of assorted parts, which I picked through carefully. I wound up going light: a reproduction MT-118 parts catalog for A, B and C-series trucks, a pair of beautiful black C-series sun visors, an ashtray in great shape, an NOS accelerator pedal, and one mirror assembly to pass on to Tyler out in Frederick.

Between odd jobs around the house, I fired up the compressor to notch the two screws at the bottom of the green door enough to turn with a screwdriver, then gently pulled the rails out to free up the glass. When that was done, it was easy to get the glass out. It’s in good shape, and after I wire-wheeled the metal bracket at the bottom, I taped it off and sprayed it with Rust-Stop. Getting the broken pane out of Darth is going to be a challenge, but now I know what I’m doing, and barring any major rust issues, it should be relatively straightforward to swap the glass in.

I also couldn’t help myself and swapped the black visors into the truck. They’re just a little bit longer than the gold ones that came out of the green truck, so they don’t fit into the clips next to the rearview easily. But they look great!

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Sunday Drive

I drove the Scout to Easton over the Bay Bridge on Sunday and it ran like a top. It was a perfect day for a drive: Sunny but cool and the traffic was light. I was nervous about tourist traffic coming back in the evening and got on the road early in the afternoon but sailed all the way through Kent Island and over the bridge with no stopping.

When I got home, I had a little time to futz with the Travelall in the driveway before the girls got home and fired it up again. The idle was super rough, so I loosened the distributor and started adjusting the timing. It was at that point I noticed one of the plug wires had come off, which made no sense: I’ve never touched the distributor before then. Hooking that back up immediately cleaned the exhaust up, and the truck idled much smoother. At that point, the girls let me know they were headed back home, so I disconnected everything and buttoned the truck back up. I’m going to have to pull the carburetor off and clean it up. The accelerator pump is not functioning, and I think the jets are probably a little clogged. So I’m gonna pull it tomorrow and start cleaning things out after dinner.

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Video Update

Here’s a collection of clips from the last week and a half, covering some small stuff on the Travelall and some on the Scout. I’ve been working pretty much flat out for the last two weeks (12-hour days this past weekend, actually) so I haven’t really been able to dig into the EFI on Darth or the brakes on Peer Pressure, although I’m going to hire out for the latter once I’ve paid off the transmission on Darth. I did steal away for a few hours here and there to do some small stuff, which is mostly included here.

I had to rent a drone for work and used both trucks as a subject for practice; I specified a DJI Avata with FPV goggles and spent a couple of hours two Saturdays ago getting used to the controls and goggles. After a rocky start getting it calibrated correctly, I got the hang of things and flew it around Peer Pressure until it got dark. Shooting in the driveway was harder because the whine of the blades drove Hazel nuts inside the house, but I did shoot a little bit of Darth while I could.

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Rear Belt Investigation

Ever since I bought Darth Haul, I’ve been collecting and taking photos of other similar trucks for reference, especially for things that didn’t come with or weren’t installed in my truck. One of the things I’ve currently been trying to sort out are the placement of the rear seatbelts, which were never installed in my truck.

Looking at some of my reference photos, I finally clued in on something that wasn’t installed in my truck—those two recessed mounts in the center of the floor that I found in the green truck. Darth’s tub was drilled for the belts on each side of the seat, on the floor next to the doors, but there was no provision for the center belts. One of the photos showed something that should have been clear as day to me earlier: the center mounts were probably drilled in to the vertical face of the step behind the seat, and the two recessed mounts are for a third seatbelt pair in the center of the bench.

Here you can see the two recessed wells with eye hooks sticking out the top right behind the rear seat.
The belts on this truck look like they’re bolted to the vertical part of the rear step—they come up between the platform and the bed itself.

My bed was drilled for the seatbelts on the sides of the step, but not for the clips on the wheel wells that the seat clicks into, in this same place:

So I’ve got a basic gameplay for the outer belts, but I’d like to know where the two inside belts are mounted on the step so I can put them in the right place—or find one more clip-style belt and use that instead.

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