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Re: Please, Help me pick a cam [Re: Dodge] #274449
04/02/09 09:59 PM
04/02/09 09:59 PM
Joined: Jul 2003
Posts: 2,124
Hunt Valley, Maryland
1fastrunner Offline OP
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Hunt Valley, Maryland
Quote:

I had a 509 in my 70 Cuda with a 440. It must not of had enough compression. It was a real dog. I put a Comp Cam XE274H and it was like night and day. Very happy. It pulls hard from the bottom rpms to top.



So is this a good choice?
Jim

Re: Please, Help me pick a cam [Re: 1fastrunner] #274450
04/02/09 10:08 PM
04/02/09 10:08 PM
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ahy Offline
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I think a good choice... similar to the XE275HL but more conservative profile with less lift and less wear and tear on the valvetrain.

Re: Please, Help me pick a cam [Re: 1fastrunner] #274451
04/02/09 10:21 PM
04/02/09 10:21 PM
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Posts: 163
CT: Corrupticut
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Mr71Bee Offline
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IMO:
limit your duration at .050 to 220 to 225 degrees max. 110 to 112 lobe sep angle. You are going to need a loose converter and some gear in the rear you go any bigger.

Dont go too loose without changing the gear. You will be slippin that converter big time at highway speeds and generating a lot of heat in the tranny.

use a modern profile cam for our wider mopar lifters. Fast rate of lift, like a Hughes can make great street power taking advantage of the air flow of aluminum heads without maxing the duration. Makes more torque too.

Last, dont cheap out with stock rockers. Get some adjustables.

Dallas

Re: Please, Help me pick a cam [Re: mark7171] #274452
04/02/09 11:05 PM
04/02/09 11:05 PM
Joined: Jul 2006
Posts: 4,179
California
mickm Offline
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Quote:

If a thumping shaft is getting shoved in a mill hole, It better be thick and bumpy.




that's what my wife says, but i don't pay attention to her...

Re: Please, Help me pick a cam [Re: mickm] #274453
04/02/09 11:18 PM
04/02/09 11:18 PM
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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moper Offline
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XE268 or similar. It works very well from idle up. I think any smaller and you're leaving power on the table for no reason. But I also think the 274 is too much for it.


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.
Re: Please, Help me pick a cam [Re: moper] #274454
04/02/09 11:42 PM
04/02/09 11:42 PM
Joined: Feb 2007
Posts: 117
southern California
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1970sixpak Offline
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I would go with the comp 292/501 magnum cam. I have been happy with it on 2 different motors.

Re: Please, Help me pick a cam [Re: 1fastrunner] #274455
04/04/09 10:50 AM
04/04/09 10:50 AM
Joined: Jan 2003
Posts: 5,484
SoCal
Brian Hafliger Offline
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Quote:

I'm planning on using either the 509 cam or something very similar. Is MP the way to go, or should i be looking at other vendors?
Jim




Are you porting the stealths? They work awesome when done right, and will make more HP and TQ everywhere.
I like the Comp XE275HL cam. Personally, that would be my choice. Only I would have it cut on a 108lca.
Brian


Brian Hafliger
Re: Please, Help me pick a cam [Re: Brian Hafliger] #274456
04/04/09 10:58 AM
04/04/09 10:58 AM
Joined: Jul 2003
Posts: 2,124
Hunt Valley, Maryland
1fastrunner Offline OP
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1fastrunner  Offline OP
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That rpm range seems a little high for me. As far as the stealth heads, I'm not porting at this time, maybe milling them to get to 10 compression. I have a 4-speed with 3.23 gears, and my rpm range is probably above 1000-3000 for most of my street driving.
Some of the Comp cams I'm looking at are:
256H, 260H, XE262H, 265DEH, 268H, & 275DEH.
I'm not eliminating any other brands or grinds, but these are just from looking at their site.
Jim

Re: Please, Help me pick a cam [Re: 1fastrunner] #274457
04/04/09 11:33 AM
04/04/09 11:33 AM
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Wherever I am.
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Junky Offline
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Quote:

That rpm range seems a little high for me. As far as the stealth heads, I'm not porting at this time, maybe milling them to get to 10 compression. I have a 4-speed with 3.23 gears, and my rpm range is probably above 1000-3000 for most of my street driving.
Some of the Comp cams I'm looking at are:
256H, 260H, XE262H, 265DEH, 268H, & 275DEH.
I'm not eliminating any other brands or grinds, but these are just from looking at their site.
Jim




I run the XE262H in my 383, which is slightly "bigger" than the stock magnum cam. It performs very well for the street. With 275/60/15 on the rear, a 727 and 3.73 gears I can blow the tires off from an idle, from a stop. So, I'd think the XE268H would work about the same in a 440 as the XE262H in my 383... The 262 gives my 383 a nice noticeable muscle car idle.

The XE274H cam may work good for you too if your compression is at least a true 9 to 1.


2010 Black Challenger SE <> 3.5 V6
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Re: Please, Help me pick a cam [Re: Junky] #274458
04/04/09 01:24 PM
04/04/09 01:24 PM

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Dont overlook the Lunati Voodoo cams. Cam's have come a long way in 40 years. And the 509 is a great cam still. But its not a nice street cam!The .475/.494 would be a great choice for your combo. It's low duration. Keeps the pressure and vacuum up. It doesnt need alot of gear either. I have it in my 72 New Yorker with 373's and i'll tell ya. It aint your grandpa's New Yorker! Great street cam!!!!

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Last edited by Superbeebaby; 04/04/09 01:31 PM.
Re: Please, Help me pick a cam #274459
04/04/09 10:27 PM
04/04/09 10:27 PM
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick Offline
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Grand Haven, MI
I'd look at the voodoo 60303, 60304, or comp XE275HL


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Re: Please, Help me pick a cam [Re: 1fastrunner] #274460
04/05/09 01:37 AM
04/05/09 01:37 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
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The Lunati 60303LK 226/234 @ 0.050, 0.494"/0.513" lift, 110 LSA would be a good pick, and it is one of the least expensive cam/Lifter kits at $180.
If you are going for more power, the Comp XE275HL cam is really nice, 231/237 @ 0.050", 0.525"/0.525", 110 lsa, and the cam/lifter kit is only $210 from summit racing.
The Hughes HEH2832BL3 cam (228/232 @ 0.050", 0.524"/0.540" lift 110 lsa) should give you the torque of the milider Lunati cam and near the HP of the Comp cam, but it is the most expensive at about $270 for cam and lifters.
Anyhow thats my

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