[Zimmo]

Is it possible to figure out advertised duration when duration @ .050", cam lift, LS, & timing events (IVO, IVC, etc) are known?
Solid - flat tappet cam.

Thanks

 

[brainsboy]

No way to know. The IVO,IVC,ect are going to be based on .050" The only way to know is to find your cam card, call the maker of the camshaft with the part number, or degree your cam in.

Ben

 

[fried_guy]

If the timing events are for the full duration and not the .050" duration then you can find the advertised duration.

Here's a formula if you need it:
IVO + IVC + 180 = advertised duration

 

[jimfulco]

Different cam companies use different lift figures for their opening & closing points, so you can only compare cams from the same maker.