Why don't OEMs tune for the maximum reliable performance and what's all the fuss about over emissions compliance in the United States 'street legal' modified car scene?
Emissions compliance might not be the most exciting topic, but if you're tuning a street car, ignoring it could land you in serious trouble. We're joined by Chris Mountain from COBB Tuning to break down how emissions regulations have changed, what CARB (The California Air Resources Board) EO (Executive Order) certification really means, and how you can still make large power gains while staying '50-state' legal within the regulations the EPA (Environmental Protection Agency) has developed and enforces (like it or not).
Covered during this SEMA show interview is why OEMs tune for lambda instead of maximum performance, how hardware mods like intercoolers and turbo upgrades affect emissions, and the rigorous (and expensive) testing companies like COBB are now going through to ensure compliance. Plus, find out how you can achieve 20-30% power gains without risking fines or legal headaches.
If you're modifying a street car in the USA and need to keep it legal, this is a must-watch.
------------------------------------
TIME STAMPS:
0:00 - Street Car Legalities
0:15 - Chris Mountain - COBB Tuning
0:20 - What's Changed?
1:00 - Modifications Vs Emissions
1:20 - What Is Measured?
1:40 - Rich Vs Lean Vs Lambda
2:15 - Component Protection
2:28 - Catalytic Converter & Fuel Cooling
2:40 - Modelling Vs Sensors
2:58 - Adding More Power Legally
3:40 - CARB EO Testing
4:25 - Testing Vs Certification
4:46 - 'Hard Parts'
5:10 - Turbos & Intercoolers
5:28 - Potential Power Gains
6:33 - No Fines
6:50 - 50 State Legal
7:10 - BUILD.TUNE.DRIVE
Comments
No one has commented on this page yet.