The Story, In Order
The Build Journal
Start at chapter one, or jump in wherever you are. Every entry is a real log of what we did, why, what it cost, and what we learned.
Chapter 01·Build UpdatesWelcome to MillerVantures: Building an Astro Around Smiles Per Gallon
July 2023
A quick introduction from Darren and Tanya — who we are, why we bought a 2005 Chevy Astro, and what this site is going to be.
3 min read- Chapter 02·Build Updates
Why We Chose a 2005 Astro Over a Sprinter
August 2023
Budget, parts availability, and the joy of an underdog rig — the honest case for a $4,800 2005 Chevy Astro over a $60K Sprinter for BC backcountry overlanding.
9 min read - Chapter 03·Build Updates
Building a Mechanical Baseline Before Building a Camper
August 2023
Before we lifted, bumper-swapped, or slept in it, we brought the 4.3L back to a known good state. Here's every fluid, filter, and hose we touched.
5 min read - Chapter 04·Gear
Why Every Adventure Van Needs an OBD-II Scanner
September 2023
A CA$120 tool has already saved us at least one tow. If you drive an old van into remote country without one, you're gambling.
5 min read - Chapter 05·Gear
Learning Live Data on the 4.3L Vortec — What Normal Looks Like
October 2023
Codes tell you something is wrong. Live data tells you why. Here's what to watch on an Astro 4.3, and what "normal" reads like.
6 min read - Chapter 06·Build Updates
Diagnosing the P0420 Code on a 2005 Chevy Astro
November 2023
The check-engine code every high-mileage GM V6 owner sees eventually. Here's how we chased it, what we ruled out, and the fix we tried first.
6 min read - Chapter 07·Build Updates
O2 Sensor Spacer Install on a 2005 Chevy Astro
January 2024
An $18 spacer, twenty minutes under the van, and a P0420 that finally stayed away. Here's how we did it.
4 min read - Chapter 08·Build Updates
Thermostat and Cooling System Repair on the 4.3L Astro
February 2024
Coolant temp was creeping high on a warm climb. We replaced the thermostat, hoses, and cap — and checked everything else while we were in there.
6 min read - Field Report·Build Updates
Collapsing Radiator Hose on Cooldown: The Clue That Led Us to the Radiator Cap
February 2024
The upper hose was sucking flat every time the engine cooled. We didn't assume — we tested. Here is how the radiator cap's vacuum valve entered the picture, and why loosening the cap fixed the symptom while we sourced a replacement.
6 min read - Chapter 09·Build Updates
Camper Build 1.0 — The First Interior Layout
March 2024
Bed platform, storage, and just enough kitchen to boil water. Here's what worked in v1, and what we already know we're changing.
5 min read 
Chapter 10·Build UpdatesThe Hidden Winch Bumper: Custom Steel, Smittybilt X2O Gen 2 10,000 lb, and the Recovery Kit
April 2024
We didn't want a winch hanging off the front of the van like a bolt-on afterthought. So we built a hidden winch bumper to tuck it behind the steel — and stocked it with gear we actually trust.
6 min read
Field Report·Build UpdatesThe JOR Lift Kit Install: What We Got Right (And Wrong)
May 2024
A weekend job that turned into three. Here's what we'd do differently.
8 min read- Field Report·BC Adventures
Fraser Valley's Hidden FSRs: Our Local Favourites
May 2024
Three Forest Service Roads within an hour of home that don't make the lists.
5 min read - Field Report·Gear
Dynamat vs. Kilmat: What We Used and Why
May 2024
An honest, non-sponsored take after deadening every inch of metal.
7 min read 
Chapter 11·Build UpdatesJOR 5" Lift on a 2WD Astro: Full Spec Breakdown
May 2024
The full JOR 5" lift kit, now installed on a 2WD 2005 Astro. What's in the kit, the install sequence, a costly Moog part-number mistake, and the correct front-end part numbers for the 2WD platform.
7 min read- Field Report·BC Adventures
Overlanding in a 2WD: A BC Backcountry Guide
June 2024
You don't need four-wheel drive to get off the pavement in British Columbia. You need patience, the right diff, and the humility to air down before you get stuck.
8 min read - Chapter 12·Gear
EcoFlow Delta 3 Plus Upgrade — Why We Switched Off the Jackery Track
June 2024
We planned to run a Jackery Explorer 1000 Pro. We ended up with an EcoFlow Delta 3 Plus. Here's what changed our mind.
6 min read - Chapter 13·Gear
Choosing a 270° Awning for the Astro — What We Shortlisted
July 2024
Freestanding vs. mounted, batwing vs. wraparound, aluminum vs. steel. Here's how we picked a 270° awning for a 60-inch roof rack.
5 min read - Chapter 14·Build Updates
Roof Rack Planning — Load, Mounts, and What Actually Goes Up Top
August 2024
What lives on the roof, what does not, and how we spec'd a custom 60-inch steel basket that clears an awning without adding forty pounds we don't need.
5 min read - Chapter 15·Trail Reports
First Shakedown: Harrison FSR and What We Learned
September 2024
The lift held. The fridge didn't. Lessons from 48 hours on rough gravel.
6 min read 
Field Report·Trail ReportsHarrison Lake FSR: Two Days of Quiet Water and Smoky Sunsets
September 2024
We pointed the Astro up the West Harrison Forest Service Road and didn't see pavement for two days. Glacier-fed water, smoke-filtered sun, and one very content 2WD van.
7 min read
Field Report·BC AdventuresSeabird Island: Sq'éwqel, Sumás Mountain Views, and a Slow Drive Through Stó:lō Country
September 2024
Twenty minutes east of Chilliwack, the road bends onto Seabird Island — Stó:lō homeland, working farmland, and one of the best mountain backdrops in the Fraser Valley. Here's what we've learned about the place and why we keep going back.
8 min read
Chapter 16·BC AdventuresFSR Driving in the Fraser Valley: What You Actually Need to Know Before You Go
September 2024
Forest Service Roads are not Hwy 1 with gravel on them — they are industrial access roads. What you actually need to know before running BC FSRs out of Chilliwack.
12 min read
Field Report·BC AdventuresOverlanding BC: A Real-World Guide to British Columbia's Backcountry
October 2024
Everything we've actually learned overlanding British Columbia in a 2WD Astro — what FSRs to start on, what the road conditions really look like, what gear matters, and the local rules nobody writes down.
12 min read
Field Report·Trail ReportsWe Pointed the Astro Down Silver Skagit Road and Let It Sort Itself Out
October 2024
A weekend run to Silver Lake Provincial Park — 45 minutes from the driveway, a long way from everything else.
6 min read
Field Report·Trail ReportsHarrison FSR — Dust, Crowds, and That View Anyway
October 2024
Six hours round trip on Harrison FSR — first real test of the JOR front lift, KYB MonoMax shocks, and new brakes. Sunny Saturday in June means dust, crowds, and views that make up for it.
5 min read
Chapter 17·Trail Reports600 km, Two Summits, and a Trip Back to Where I Started
October 2024
A 600 km shakedown run on Highway 3 — Allison Pass, Sunday Summit, and back home to Princeton. The 5" lifted Astro proved its fundamentals.
6 min read
Field Report·Build UpdatesThe Astro Gets Teeth: Winch, Light Bar, and Fog Lights Done
November 2024
The 2005 Chevy Astro's exterior electrical package is complete — Smittybilt 10K winch, 40" Brightsource light bar, and OEM fog lights all wired and working. Here's what we did and why.
6 min read
Chapter 18·Trail ReportsThe Day the Astro Disappeared
November 2024
Harrison Lake FSR, no itinerary, no reservations. Just curiosity, a hidden campsite, sunbeams breaking through storm clouds, and a van that finally stopped feeling like a project and started feeling like home.
7 min read
Field Report·BC AdventuresThe MillerVantures Manifestos
November 2024
The MillerVantures Manifestos: why we build, what we believe, and how we judge every modification on this 2005 Chevy Astro.
6 min read- Chapter 19·Build Updates
What's Next — Future Adventures on the MillerVantures Astro
November 2024
Trips we're planning, upgrades still on the list, and how to follow along as the Journal keeps growing.
3 min read