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James L Miller · 06-22-2012, 04:07 PM

I seem to remember the Mopar 340 specs at 336/348 duration intake/exhaust respectively. I think the 383/440 HP combos had a similar duration way back when. I wasn't sure if it was zero to zero or maybe the first hint of movement to where it stops moving? I sort of remember a BB Chevy cam had 360 degrees of duration.

06-22-2012, 04:07 PM	#91
James L Miller Member Join Date: Apr 2005 Posts: 494 Likes: 6 Liked 25 Times in 16 Posts	Re: Stocker Cylinder Heads.... I seem to remember the Mopar 340 specs at 336/348 duration intake/exhaust respectively. I think the 383/440 HP combos had a similar duration way back when. I wasn't sure if it was zero to zero or maybe the first hint of movement to where it stops moving? I sort of remember a BB Chevy cam had 360 degrees of duration. __________________ Mopar 2 Ya!