Stock cam specs Home Page › Forums › Discussion Topics – Ask the Experts › Stock cam specs This topic contains 3 replies, has 2 voices, and was last updated by young_olds 2 years, 2 months ago. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts March 24, 2016 at 3:59 pm #11851 young_oldsParticipant Anyone have any factory cam specs for 2bbl and 4bbl engine? March 25, 2016 at 2:38 pm #11852 jensenracing77Participant I would like that information also. Not sure if D&D would have them or not but I would like the Jetfire information also. I have a good Jetfire cam that I would like to have put on a cam doctor. Not sure who can do that. March 26, 2016 at 12:52 am #11854 young_oldsParticipant Intake opens 22 btc closes 58 abc for 260 duration Exhaust opens 60bbc closes 20 atc for 260 duration 42 overlap .384 lift. Idk how accurate this is though March 26, 2016 at 12:53 am #11855 young_oldsParticipant Those specs are supposed to be for a 2bbl Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic.