Does the exhaust valve open larger when VTEC kicks in? Or maybe it's just the intake? TheCopenGuy 12 Aug 2015 Previous I dont understand why people say JDM when it means beginner driver. Next The new Lamborghini Revuelto is here! Sponsored PostsComments Or both Depends on the version of VTEC. All DOHC VTEC systems change the timing and lift on both the intake and exhaust valves. Most of the SOHC VTEC systems only affect the intake, although the newer J37A4 has VTEC on both the intake and exhaust. Okay, thank you for the information Both Latest NewsNews The Morgan Supersport Is The Lightweight Sports Car The World NeedsNews The Audi R8 May Not Be Dead After AllNews The Iconic VW Transporter Has Just Turned 75News Nissan CEO Set To Be Replaced, Could Reignite Honda Merger TalksNews This Off-Road Ford Mustang Is A Tribute To A Forgotten Movie CarNews You Can Now Order The Nissan Z In The R34 GT-R’s Most Legendary ColourSubscribe to our NewsletterGet the latest car news, reviews and unmissable promotions from the team direct to your inboxFor more information see our Privacy Policy Leave this field blank Latest ReviewsReviews Cupra Born VZ Review: Good, Clean FunReviews 2025 Ford Capri Review: The Name Is Its Most Interesting FeatureReviews Maserati GranTurismo Trofeo Review: Worth Saving The Company ForReviews 2025 Bentley Continental GT Review: Forget About The W12Reviews Ford Focus ST Edition Review: An Incomplete But Satisfying EndingReviews Renault Rafale 300hp 4x4 Review: Who Is It For?
Depends on the version of VTEC. All DOHC VTEC systems change the timing and lift on both the intake and exhaust valves. Most of the SOHC VTEC systems only affect the intake, although the newer J37A4 has VTEC on both the intake and exhaust.
Comments
Or both
Depends on the version of VTEC. All DOHC VTEC systems change the timing and lift on both the intake and exhaust valves. Most of the SOHC VTEC systems only affect the intake, although the newer J37A4 has VTEC on both the intake and exhaust.
Okay, thank you for the information
Both