Re: hemi roller cam
[Re: zbc51]
#2201903
11/24/16 04:21 PM
11/24/16 04:21 PM
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Joined: Aug 2003
Posts: 43,719 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,719
Bend,OR USA
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Is this a stick shift or automatic tranny car? What size and weight car and what rear gear, converter size, tire height? How do you want the motor exhaust to sound at idle and how hard and how high on the RPM do want the motor to make good power to? Lots of things can and will influence getting the cam correct for you
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: hemi roller cam
[Re: zbc51]
#2202014
11/24/16 08:57 PM
11/24/16 08:57 PM
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Joined: Jan 2003
Posts: 7,521 Minnesota
Hemi_Joel
master
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master
Joined: Jan 2003
Posts: 7,521
Minnesota
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Crane hr254, hopefully you are going at least 10.5 to 1 compression. Make sure to mock it up andcheck pushrod to block clearance before you final clean the block. You will need to do some grinding.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: hemi roller cam
[Re: zbc51]
#2202112
11/24/16 11:28 PM
11/24/16 11:28 PM
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Joined: Jan 2003
Posts: 12,801 Benton, IL.
DaveRS23
Master of nothing...
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Master of nothing...
Joined: Jan 2003
Posts: 12,801
Benton, IL.
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Call any one of the cam grinders and give them your specs along with preferences and let them recommend a grind.
Rich Nedbal would probably be my first choice. He is a member here, reps Comp Cams, and wrote the book on building Hemis.
Master, again and still
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Re: hemi roller cam
[Re: zbc51]
#2202161
11/25/16 12:51 AM
11/25/16 12:51 AM
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Joined: Jan 2011
Posts: 4,785 Utah and Alaska
astjp2
master
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master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Stick with a mechanical roller with pushrod oiling, that's what Rich recommended for my 572 several years ago, I just hope to be able to drive the car before gas becomes a thing of the past. Tim
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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Re: hemi roller cam
[Re: astjp2]
#2202338
11/25/16 02:14 PM
11/25/16 02:14 PM
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Joined: Oct 2012
Posts: 48 the Netherlands
dutchrunner
member
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member
Joined: Oct 2012
Posts: 48
the Netherlands
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Yep. Go with Rich's cams. I have his EFIroller cam in my 572Hemi and it's great.
1969 Roadrunner Sox&Martin tribute with 572Hemi and F&B performance Six-Pack XFI2.0 injection.
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Re: hemi roller cam
[Re: zbc51]
#2202517
11/25/16 07:19 PM
11/25/16 07:19 PM
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Joined: Mar 2008
Posts: 73 Toronto,Canada
wkeggenhoff
member
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member
Joined: Mar 2008
Posts: 73
Toronto,Canada
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I run an FHO custom solid roller. Tim Banning said for hyd roller motor would have to come apart for machining for clearance(believe push rod and lifters. Had 2 hyd lifters blow apart due to acute angle on a couple of push rods.
He talked me going to soldi lifters asked him about street use and he said not an issue he has been using on street for years. He did say though don't cheap out on quality of lifters. I have comps not sure model /
Went with his suggestion on specs. Its 600" lift and 250 duration Street driven,528" hemi 3:73 gear 5spd. Believe he told me it will work with power brakes as well.
He says this cam will support 800hp
Worked great 2 years so far, revs to almost 7000rpm without an issue and get there quickly
good luck
69 dodge charger,528 Hemi,Keisler TKO 5spd, Mosier 60 rear end
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Re: hemi roller cam
[Re: wkeggenhoff]
#2202839
11/26/16 02:25 PM
11/26/16 02:25 PM
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Joined: Jan 2011
Posts: 4,785 Utah and Alaska
astjp2
master
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master
Joined: Jan 2011
Posts: 4,785
Utah and Alaska
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Crane 66550-16 lifters and the cam is a mild 248@.050 with .628 lift and a 112 lsa, Rich's book has similar specs and Chase Knight used those specs to find a Crane grind that was close to match my 572. I also used comp 959 springs and .060 lash caps with Dvorak stands, Dichelles shafts and StageV rockers, expensive but I now don't have to worry. Tim
1941 Taylorcraft 1968 Charger 1994 Wrangler 1998 Wrangler 2008 Kia Rio 2017 Jetta
I didn't do 4 years and 9 months of Graduate School to be called Mister!
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