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 Subaru Trailseeker Is Basically An Electric Legacy OutbackNews The Hennessey Venom F5 Has Somehow Gained Even More PowerNews The Latest Genesis Concept Is A Classic Range Rover From The FutureMotorsport Here’s The Genesis GMR-001 Le Mans Racer In All Its Orange GloryNews This Special Edition Mercedes G-Class Has A Very Silly NameNews The New Audi A6 Saloon Wants To Show The Air Who’s BossSubscribe 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 Formentor VZ TSI Review: Quick, Capable, But Lacking EmotionReviews Cupra Leon VZ TSI Review: The King Of LeonsReviews 2025 Dacia Bigster Review: A Different Kind Of Horse PowerReviews Maserati GranTurismo Folgore Review: Easy To Like, Hard To LoveReviews Abarth 600e Review: Electric, But Still A Proper Hot HatchReviews Porsche 911 Carrera 4 GTS Cabrio Review: Almost Annoyingly Good
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