
The Recirculation Button: Why Long Drives Make You Sleepy, and Why Your Restomod Has It Worse
The recirculation button seals your cabin and CO2 climbs. Here is what the research actually measured, what it does not prove, and why a finished restomod with flush-mount glass and aftermarket A/C...

How Fesler Builds Custom Seats by Hand in Phoenix: Bench, 60/40, 50/50, Bucket and Rear Seats
Fesler fabricates the steel frame, cuts and shapes the foam, and wraps the cover for every custom seat in its Phoenix, Arizona shop. Bench seats, 60/40 and 50/50 splits, bucket seats and matching r...

Dash Overlay vs. Full Dash Restoration: Which One Your Build Actually Needs
A cracked dash pad has three fixes: a drop-in fiberglass overlay, a gauge-area insert, or a full strip-and-restore. Here is what each one actually costs, what it hides, what it does not, and how to...

K5 Blazer Flush-Mount Glass: The 1969-1991 Builder's Guide
Fesler builds flush-mount DOT glass for both K5 Blazer generations: a full front, side, and rear kit for the 1969-1972 first-gen, and a windshield plus top side glass program for the 1973-1991 squa...

Power Windows in a Classic: What It Takes, What It Costs, and the Mistake That Doubles the Bill
A complete four-window power window conversion runs about $580 to $1,300 depending on the platform. Here is what belongs in a real kit, where the switches should go, what goes wrong on the install,...

Chevy 454 vs. LSX454: The Same 454 Cubic Inches, 56 Years Apart
The original Mark IV 454 was rated 450 horsepower on a scale that no longer exists. Chevrolet Performance will sell you a 454 today that makes 627 and bolts up like an LS. Same number, same displac...

The Best Pro-Touring Platforms for 2026, Ranked by the People Who Build Them
Eight platforms ranked for aftermarket depth, buy-in cost, build difficulty, and finished value. A working shop's honest 2026 list, from the C10 to the sleeper picks.

A full rundown of everything new at shopfesler.com this summer: the 1967-69 Camaro low profile fiberglass console, the 1955-59 Chevy truck under dash AC panel, the complete E-Stopp electronic parki...

Flush-Mount Glass for 1955-59 Chevy Trucks: The Task Force Builder's Guide
Fesler now builds DOT flush-mount glass for 1955-59 Task Force Chevy trucks. Here is what the kit changes, why the wraparound windshield era benefits most, and how to get in on the pre-order.

Less is the upgrade: the Fesler approach to a clean, clutter-free classic
The best builds look calm because of everything that was taken away. Inside the Fesler approach to a clutter-free classic: flush glass that deletes the trim ring, the vent-window delete and the C10...

C10 vent window delete: how one-piece door glass actually works on 1967 to 1972 trucks
The vent window delete is the cleanest mod you can make to a 1967 to 1972 C10 and the easiest one to botch. Here is how one-piece door glass actually works, why most kits leak or need a hand to clo...

DOT certified glass for classic cars: what it actually means
DOT certification on automotive glass is a federal stamp confirming the part meets FMVSS 205 safety standards. Here is exactly what that means, why most reproduction classic car glass does not carr...
