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09-20-2011, 11:57 AM
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CC Member
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Join Date: Jul 2010
Cobra Make, Engine:
Posts: 4
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Not Ranked
c3az-6250-d CamShaft
Hello everyone,
I am still new to this site and I thought I could ask my first question here.
I have a 390 FE that I am planning to rebuild. I have acquired a cam which has the c3az-6250-d numbers and still is in the original Ford tube.
I have looked on the internet to find more information about this cam. However, all I can really do is find the specs. (306° duration .500 lift) I am looking for someone who can tell me more information about this cam and its potential.
Thanks for any help!
Kevin
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09-20-2011, 12:25 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Looks like a nice piece, Multi carb, solid lifter
camshaft
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 09-20-2011 at 12:29 PM..
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09-20-2011, 12:56 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,016
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Not Ranked
From my old Ford catalog. It's a moderate cam, not suitable for today's Cobra (IMO). You'd want something bigger.
Last edited by patrickt; 11-02-2016 at 01:13 PM..
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09-20-2011, 01:32 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Not necessarily bigger, but more modern. The cams from the 60's are so........60's......
I believe that cam has a .050" duration of around 224-230°, which would be a good streetable cam for a 390 with good flowing heads. However, it's got a ton of overlap and some pretty lazy lobes.
It would work, but there are extremely streetable cams that would run circles around this one.
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09-22-2011, 04:10 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
Quote:
Originally Posted by patrickt
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If you do the math on the "D" cam, it is a miss print. Duration adds to 225 and overlap adds to 33. Either the timing evens is wrong or the the Duration and overlap is wrong. Possibly both are wrong. Note the intake is opening after top center and the exhaust is closing before top center, which is wrong.
The other cam adds up.
Last edited by olddog; 09-22-2011 at 04:15 PM..
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09-22-2011, 05:18 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
here are the specs
Ford "FE" Camshaft Specifications
and yes computers and CNC grinders have made very huge advances in cam grinding.
go with a more modern grind. back when that cam was spec'ed out the limiting factor was freakin tires. 1963 and whitewall slicks....
__________________
Fred B
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09-22-2011, 05:23 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
Its probably the omly number that I remember from BACK THEN----I once had six of them (picked up one for myself and the ford rep sent 5 others with me to take to the local ford shop) called Holman-Moody about something with them and they were waiting for the cams for race engines---they had none and I had six!!! so I sent the cams to them for that weekend's race and then I got another a week or so later---by the way--I loved the cam, lope, lifter noise, etc performance---wow---
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09-22-2011, 05:26 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,016
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Not Ranked
Quote:
Originally Posted by olddog
If you do the math on the "D" cam, it is a miss print. Duration adds to 225 and overlap adds to 33. Either the timing evens is wrong or the the Duration and overlap is wrong. Possibly both are wrong. Note the intake is opening after top center and the exhaust is closing before top center, which is wrong.
The other cam adds up.
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You did your math wrong. The numbers are are at .100 lift. Here, I was kind enough to graph it for you.
Last edited by patrickt; 11-02-2016 at 01:15 PM..
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09-22-2011, 05:29 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,016
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Not Ranked
Quote:
Originally Posted by Jerry Clayton
Its probably the omly number that I remember from BACK THEN--
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You're remembering a different "D" cam -- the one that came with .600 lift. Different dog entirely.  |
09-22-2011, 06:46 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
well it was a long time ago--and it was a 1959 2door business coupe(ex Illinois dept of agriculture staff car) that was a 292 Y blockthat I converted to E475 Edsel engine and later USAC 406 FE then dual quads and 4 speed---
and your correct---it was a .600 lift cam for the Nascar engines
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09-24-2011, 05:50 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
Quote:
Originally Posted by patrickt
You did your math wrong. The numbers are are at .100 lift. Here, I was kind enough to graph it for you.
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I missed the .100" lift. Well that is the first time I ever seen timing events listed at a different lift than the duration was measured at, let alone at such a high lift. Strange.
Anyway thanks for the graph and explanation. |
11-07-2011, 01:28 PM
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CC Member
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Join Date: Nov 2011
Location: north ogden ut.,
ut
Cobra Make, Engine: no-cobra (lots of FE parts)
Posts: 1
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Not Ranked
Quote:
Originally Posted by kevintbush
Hello everyone,
I am still new to this site and I thought I could ask my first question here.
I have a 390 FE that I am planning to rebuild. I have acquired a cam which has the c3az-6250-d numbers and still is in the original Ford tube.
I have looked on the internet to find more information about this cam. However, all I can really do is find the specs. (306° duration .500 lift) I am looking for someone who can tell me more information about this cam and its potential.
Thanks for any help!
Kevin
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Hi Kevin. I am new here also. If You are not going to use this camshaft? I would like to buy it from You. If You would like You can let Me know at larry@atglc.com THANK YOU. Larry. |
11-07-2011, 07:30 PM
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CC Member
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Join Date: Jul 2011
Cobra Make, Engine:
Posts: 65
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Not Ranked
I have that grind running right now in a 1963 Lo Riser 2x4. It is not wild , but it is very responsive.Also remember the camshaft will have more of a racey personality in a smaller engine. IE 390 vs 427 .
I hope that helps ..
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11-07-2011, 07:37 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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Not Ranked
I loved the cam specs in my 428FE. It was lumpy and good for the street. If you want to here that motor run, let me know.
Solid flat tappet.
601-lift
252/260
110 lobe sep.
__________________
Regards,
Kevin
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