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440 cam I.D ???? #1029920 07/10/11 11:05 PM 07/10/11 11:05 PM
Joined: Jul 2011 Posts: 26 PA J jc070680 OP member
jc070680 OP member J Joined: Jul 2011 Posts: 26 PA	Hey pulled an old cam out, looks new... anyone have any idea on how to I.D these things??? only numbers are 454 9 1 and F 9...

Re: 440 cam I.D ???? [Re: jc070680] #1029921 07/11/11 02:16 AM 07/11/11 02:16 AM
Joined: Aug 2003 Posts: 12,291 Kent, Wa 340SHORTY Truck Nut
340SHORTY Truck Nut Joined: Aug 2003 Posts: 12,291 Kent, Wa	measure it... I am truckless..

Re: 440 cam I.D ???? [Re: jc070680] #1029922 07/11/11 02:45 AM 07/11/11 02:45 AM
Joined: Oct 2008 Posts: 1,894 Mira Loma, CA 69B3GT top fuel
69B3GT top fuel Joined: Oct 2008 Posts: 1,894 Mira Loma, CA	Quote: Hey pulled an old cam out, looks new... anyone have any idea on how to I.D these things??? only numbers are 454 9 1 and F 9... Its obviously a chevy cam...thats why the car went 17s

Re: 440 cam I.D ???? [Re: 69B3GT] #1029923 07/11/11 02:58 AM 07/11/11 02:58 AM
Joined: Jul 2011 Posts: 26 PA J jc070680 OP member
jc070680 OP member J Joined: Jul 2011 Posts: 26 PA	Quote: Quote: Hey pulled an old cam out, looks new... anyone have any idea on how to I.D these things??? only numbers are 454 9 1 and F 9... Its obviously a chevy cam...thats why the car went 17s ehhhh hahaha i sure hope not right? haha... what do you mean measure it??? with digital micrometer???

Re: 440 cam I.D ???? [Re: jc070680] #1029924 07/11/11 01:07 PM 07/11/11 01:07 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	Measure the lobe across the largest part and the smallest part, subtract the two and multiply by 1.5. That's your valve lift. Do it on both intake and exhaust lobes and you'll have a pretty good idea what the cam is. R.

Re: 440 cam I.D ???? [Re: dogdays] #1029925 07/11/11 04:40 PM 07/11/11 04:40 PM
Joined: Jul 2011 Posts: 26 PA J jc070680 OP member
jc070680 OP member J Joined: Jul 2011 Posts: 26 PA	Quote: Measure the lobe across the largest part and the smallest part, subtract the two and multiply by 1.5. That's your valve lift. Do it on both intake and exhaust lobes and you'll have a pretty good idea what the cam is. R. .420 for both exhaust and intake... sound correct for a mid 70's smogger???? I am putting in summit 6401 .465/.488 lift 288 and 292 duration

Re: 440 cam I.D ???? [Re: jc070680] #1029926 07/11/11 05:15 PM 07/11/11 05:15 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	Sounds lke a stock cam to me. R.

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