Cam Q's
Cam Q's Is anyone grinding cams from billet steel or are all the aftermarket cams cast steel?
My motor mods will be port matched heads and intake, 1.6 cc pro mag rollers, #918 springs, shorty headers, Tremec TKO 600 5spd, either 2.5 or 3inch exhaust and h-pipe, built/narrowed 12bolt with 4.11gears and posi.
I think that my CC306 that I just ordered isnt going to work the way I would like with the mods I have. So Im thinking about going to a custom grind. What are your guys thoughts on this topic?
Thanks
Lower90
My motor mods will be port matched heads and intake, 1.6 cc pro mag rollers, #918 springs, shorty headers, Tremec TKO 600 5spd, either 2.5 or 3inch exhaust and h-pipe, built/narrowed 12bolt with 4.11gears and posi.
I think that my CC306 that I just ordered isnt going to work the way I would like with the mods I have. So Im thinking about going to a custom grind. What are your guys thoughts on this topic?
Thanks
Lower90
All roller cams are made from billet steel. The two piece design (so that you can use a steel distributor gear) HR cam for our LT1's is made from a S.A.D.I billet steel. Most all of your SR cams are made from a Alloy Steel Billet. Your flat tappet hyd & solid cams are made from a Proferal Billet steel.
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From: Upstate NY
Originally Posted by 1997bird
All roller cams are made from billet steel. The two piece design (so that you can use a steel distributor gear) HR cam for our LT1's is made from a S.A.D.I billet steel. Most all of your SR cams are made from a Alloy Steel Billet. Your flat tappet hyd & solid cams are made from a Proferal Billet steel.
For a custom LT1 cam you could specify cast ron or billet steel. The steel alloys might be case hardened 8620 or induction hardened 5150.
BTW, what is S.A.D.I steel? AFAIK, "SADI" was a B-52 bomber upgrade.
Proferal is a cast iron used for cams.
8650 Induction Hardened Core is what my card says. Only thing I can find on Google is 8650 = Chrome Nickel Alloy Steel.
http://en.wikipedia.org/wiki/AISI_steel_grades
http://en.wikipedia.org/wiki/AISI_steel_grades
Last edited by seawolf06; Feb 4, 2007 at 07:21 PM.
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Originally Posted by Old SStroker
Not necessarily.
For a custom LT1 cam you could specify cast ron or billet steel. The steel alloys might be case hardened 8620 or induction hardened 5150.
BTW, what is S.A.D.I steel? AFAIK, "SADI" was a B-52 bomber upgrade.
Proferal is a cast iron used for cams.
For a custom LT1 cam you could specify cast ron or billet steel. The steel alloys might be case hardened 8620 or induction hardened 5150.
BTW, what is S.A.D.I steel? AFAIK, "SADI" was a B-52 bomber upgrade.
Proferal is a cast iron used for cams.
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Verdad Gallardo TECH Fanatic
Joined: Jun 2002
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From: Upstate NY
Originally Posted by seawolf06
8650 Induction Hardened Core is what my card says. Only thing I can find on Google is 8650 = Chrome Nickel Alloy Steel.
http://en.wikipedia.org/wiki/AISI_steel_grades
http://en.wikipedia.org/wiki/AISI_steel_grades
8620, with only .20% carbon content, needs to be carburized (case hardened) on the lobes in order to be hardened enough. The areas which don't require hardening require masking to prevent carburizing. This masking is often done by copper plating, and then grinding off the areas which need case hardening. This adds extra steps, and copper has become an expensive commodity, so induction hardening of "50 carbon" steels is now probably cost effective.
FWIW, stripping the copper after heat treating is also costly, so it is generally left on the cam. Doesn't hurt anything, identifies it as a case hardened cam and looks nice.
