×

Sale ends todayGet 30% off any course (excluding packages)

Ends in --- --- ---

Afr after IVC

Understanding AFR

Forum Posts

Courses

Blog

Tech Articles

Discussion and questions related to the course Understanding AFR

= Resolved threads

Author
1088 Views

Does the statement "the afr cannot change after the intake valve closes" only apply to port injection? Does vvt on the intake cam and cam lobe overlap change anything? (AFR wise)i.e. using it in an attempt for over 100% ve?

hello if im reading your question correctly the intake timing moving does have a big effect on AFR stick to your target AFR no matter what the cam timing is doing at any given rpm and load

Regards Ross

We usually reply within 12hrs (often sooner)

Need Help?

Need help choosing a course?

Experiencing website difficulties?

Or need to contact us for any other reason?