THE FESLER BLOG

Black classic muscle car at dusk with the driver door glass halfway down showing one-piece frameless glass and no vent window
Build Tips

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,...

Build TipsClassic muscle car in primer inside a restoration shop with blue painter tape around a freshly set flush-mount windshield

Who Actually Installs Flush-Mount Glass, and What It Costs

National windshield chains will not touch flush-mount glass on a classic, and it is a business problem rather than a technical one. Here is who to call instead, the five questions to ask before you...

Build TipsPro-touring classic muscle car in a Phoenix shop with doors closed and flush-mount glass, representing a finished fiberglass door panel interior build

Why Fiberglass Door Panels Are Worth It, and What Cheap Door Panels Actually Cost You

Hand-laid fiberglass door panels cost more than ABS or hardboard reproductions. Here is the honest breakdown of what you actually get: less road noise, no warping in summer heat, a rigid speaker ba...

Build TipsLineup of pro-touring Camaro, C10 truck, and Chevelle with flush-mount glass in the Arizona desert at sunrise

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.

Build TipsLS engine swap in a smoothed engine bay of a pro-touring 1969 Camaro inside a Phoenix hot rod shop

LS Swap or Keep It Original? The Honest Decision Guide for Classic Builds

The most argued question in the hobby, answered without the internet noise: when an LS swap makes sense, when originality is worth more, and the questions that decide it for your car.

Build TipsLowered navy blue OBS Chevy single cab short bed truck on a Phoenix street at dusk

The OBS Is the Next Squarebody: Why 1988-98 GM Trucks Are the Smartest Build of the Decade

The 1988-98 OBS Chevy and GMC trucks are tracing the exact path the Squarebody took ten years ago. The history, the market signals, and why the parts you need finally exist.

billetBillet aluminum steering wheel with leather rim in a custom pro-touring C10 interior with tan leather

The Pro-Touring Steering Wheel Guide: Choosing the Right Wheel for Your Build

The steering wheel is the one part of your build you touch every second you drive. Here is how to choose diameter, dish, grip, and style, plus a look at the Sparc Industries billet wheels we carry.

Build TipsPro-touring 1969 Camaro parked in a Phoenix driveway as monsoon storm clouds roll in behind desert mountains

Monsoon-Proofing Your Classic: The Phoenix Leak-Season Checklist

Phoenix monsoon season finds every weak seal on a classic car. Use this checklist to test your windshield, cowl, and weatherstripping before the first big storm hits.

Billet HardwareLess is the upgrade: the Fesler approach to a clean, clutter-free classic

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...

Build TipsFirst-generation 1969 Camaro in pro-touring stance on forged wheels, three-quarter front angle catching a clean reflection across the flush-mounted windshield in warm Phoenix golden-hour light

Camaro flush-mount glass: the complete 1967 to 1981 builder's guide

The flush-mount glass upgrade for the 1967 to 1981 Camaro, start to finish. First-gen and second-gen fitment, what the frameless look changes, DOT certification, leaks and wind noise, where glass f...

Air ConditioningLowered pro-touring classic truck parked on a sun-baked Phoenix street in harsh midday summer light with heat shimmer and desert mountains behind it

Can you drive a classic in a Phoenix summer? The honest guide to AC, glass, and heat

Yes, you can drive a classic through an Arizona summer and enjoy it. Here is the honest take on what classic cabins do in 110-degree heat, how modern AC changes the build, why the climate decision ...