Quote:
Originally Posted by Terraphantm
Vtec increases lift and duration (the latter which VANOS and valvetronic cannot do), but I believe it accomplishes it by switching to what’s essentially a different cam lobe altogether - so it’s sort of an on/off switch. Eventually they added continuously variable timing like modern VANOS implementations.
|
Absolutely correct. The K series was the first to do this - prior to this, I believe it was fixed cam positions (B series, H series, F series)