Re: another cam question ??
[Re: Dougsmopars]
#656207
03/30/10 08:41 PM
03/30/10 08:41 PM
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Joined: Apr 2007
Posts: 160 connecticut
69charger R/T
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Posts: 160
connecticut
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Quote:
The 60304 513/533 will run fine in 906 heads. I run that cam in mine. Super nice cam. Great street maners and makes a ton of power.
My heads are "stock" I don't want to pull the heads and have the valve guides trimmed. From what I've been told max lift on stock heads is .510,and that is close.
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Re: another cam question ??
[Re: 69charger R/T]
#656212
03/31/10 07:25 PM
03/31/10 07:25 PM
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Joined: Jan 2003
Posts: 5,186 Wherever I am.
Junky
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Wherever I am.
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Quote:
From what I've been told you can't run a .513/.533 lift cam on stock heads with out trimming the valve guides,the retainers will hit the guides ?? Is this true ?? Does anyone have any opinions on the comp cams I listed ?? Has anyone run them,how do they perform,idle ??
Hughes Engines has a Whiplash cam with .519 lift. They say it will run with stock heads, no work on the heads needed. But the valve springs are another thing...
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Re: another cam question ??
[Re: Dougsmopars]
#656213
03/31/10 07:36 PM
03/31/10 07:36 PM
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Joined: Apr 2007
Posts: 160 connecticut
69charger R/T
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Quote:
I run the Lunarti 513/533 with stock heads. I have no issues with anything hitting. Car runs super strong.
Well now I'm confused,everyone I asked said .510 lift was the max you could run on stock heads with out trimming the guides. I like the lunati cam thats the one I want to run. I guess I'll have to pull the valve cover check the valve guide to retainer clearance to be sure ?? Is rhode Island where your from, how are you doing after all this rain !!
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Re: another cam question ??
[Re: 69charger R/T]
#656217
03/31/10 09:50 PM
03/31/10 09:50 PM
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Joined: Dec 2008
Posts: 459 pana illinois
bigblock4x4
mopar
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mopar
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pana illinois
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Quote:
Quote:
I run the Lunarti 513/533 with stock heads. I have no issues with anything hitting. Car runs super strong.
Well now I'm confused,everyone I asked said .510 lift was the max you could run on stock heads with out trimming the guides. I like the lunati cam thats the one I want to run. I guess I'll have to pull the valve cover check the valve guide to retainer clearance to be sure ?? Is rhode Island where your from, how are you doing after all this rain !!
i also use that cam with no mods,it does perform flawlessly
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Re: another cam question ??
[Re: Dougsmopars]
#656219
04/01/10 09:36 AM
04/01/10 09:36 AM
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Joined: Oct 2003
Posts: 3,698 NE Oklahoma
Von
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NE Oklahoma
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Quote:
the 906 heads flow an impressive 313.1 cfm on the intake side and 223.5 cfm on the exhaust side at .600-inch lift. "
Inserting a big grain of salt next to these claims......
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
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Re: another cam question ??
[Re: Dougsmopars]
#656221
04/01/10 04:09 PM
04/01/10 04:09 PM
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Joined: Nov 2007
Posts: 13 Bellaire, Ohio
66cornet
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Bellaire, Ohio
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Quote:
The 60304 513/533 will run fine in 906 heads. I run that cam in mine. Super nice cam. Great street maners and makes a ton of power.
I just wiped the #8 intake lobe of my MP509 cam. The lifter looks as if it stuck a little, rotated, stuck again rotated and then stuck for good. Lifter looks like it was put on a grinder. I'm looking at the Lunati cam also. Are you running adjustable rockers or the non-adj type?
My 440 .030, 10:1cr, eagle crank, eagle rods, hyperutectic pistons, eddy heads, eddy 2x4 w/2 600s on it. I'm wondering if I'm being to radical with the 60304 cam? I probably won't be at the track, mostly street driving. Any ideas/suggestions?
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Re: another cam question ??
[Re: Dougsmopars]
#656224
04/01/10 04:53 PM
04/01/10 04:53 PM
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Joined: Nov 2007
Posts: 13 Bellaire, Ohio
66cornet
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Quote:
i run mine with stock mopar rockers. Non adjustable
Dougsmopars, thanks for the info. I just want to be able to drive to California if I want to. However, I want some grunt and good sounding Mopar engine.
I am leaning towards the Lunati cam. I will have to change my sprocket to a three holer, but no problem there. May as well do it up right.
Again, thanks for the info..
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Re: another cam question ??
[Re: Dougsmopars]
#656225
04/01/10 07:19 PM
04/01/10 07:19 PM
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Joined: Apr 2007
Posts: 160 connecticut
69charger R/T
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Quote:
You can run 600 lift in a 906 head. It wouldn't flow enough for that much lift with out a lot of porting. Here is an article from Hot Rod. Muscle Motors is doing a CNC machine port job on 906 heads good for 600 Horse and 600 lift. No cutting anything for lift clearence. There porting and reworking the combustion chambers. "The net result is a set of factory appearing 906 heads, with well above factory performance, all at a reasonable price. After porting, the 906 heads flow an impressive 313.1 cfm on the intake side and 223.5 cfm on the exhaust side at .600-inch lift. Using the rule of thumb that cylinder heads have the potential to support horsepower double their intake flow, these heads are capable of 600 hp or more when used on a well-built engine. That kind of potential certainly makes the Muscle Motors CNC ported 906 a viable competitor when compared to other heads in the same price range, and gives enthusiasts a good product while retaining a stock appearance"
which hot rod mag. was this article in I may have it,would like to read it.
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Re: another cam question ??
[Re: Dougsmopars]
#656228
04/01/10 08:32 PM
04/01/10 08:32 PM
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Joined: Feb 2003
Posts: 12,675 Columbia, CT
moper
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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I wouldn't run .600 lift, because the springs they require will not allow the factory seals or fit in the factory spring seat... The guides get cut down and narrower to fit the positive seals, and the spring seats get the centers cut out to run the dual spring. As far as what fits... with a spring change I've run .520 with no issues on stock pistons. But more than that, especially with a fast rate (more duration earlier in the lift cycle) I think you're pushing it in a '69-'71 shortblock. All others probably have plenty of room.
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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