emissions testing - OilSpec Guide

Vetted

15 Best Emissions Diagnostic Smoke Testers (Advanced) for 2026

top emissions testing devices

Discover the top emissions diagnostic smoke testers for 2026. Find the best overall, value, and beginner options to diagnose EVAP leaks and more.

OilSpec Guide Team
September 19, 2026

15 Best High Pressure Fuel Pumps for Direct Injection Systems in 2027

Vetted

15 Best High Pressure Fuel Pumps for Direct Injection Systems in 2027

Compare 15 high pressure fuel pumps for direct injection engines. Find the best fit for…

OilSpec Guide Team
October 25, 2026

IIHS Put A Bunch Of Crossovers Through Its Updated Crash Test. Only One Was ‘Good’

Standards & Tests

IIHS Put A Bunch Of Crossovers Through Its Updated Crash Test. Only One Was ‘Good’

The IIHS retested four crossovers under its updated moderate overlap test. Only the…

OilSpec Guide Team
October 25, 2026

Listen To The OG Honda Ridgeline’s Lead Designer Drop Some Crazy Lore

General

Listen To The OG Honda Ridgeline’s Lead Designer Drop Some Crazy Lore

First-generation Ridgeline design lead Don Herner recounts how Honda developed its…

OilSpec Guide Team
October 25, 2026

8 Best Automotive Exhaust Systems for Fitment and Sound in 2027

Vetted

8 Best Automotive Exhaust Systems for Fitment and Sound in 2027

Compare eight automotive exhaust systems for trucks and cars, with fitment, materials,…

OilSpec Guide Team
October 24, 2026