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mcarthey
Dodge Dakota
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7/09/2004
18:20:09

Subject: 5.2L cam duration @ .050?
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Does anyone know what the stock cam for the 5.2L 4x4 has for a duration @ .050? I can't find the specs anywhere. Is there a decent site with complete specs for the Daks?
Thanks!




gen1dak
Dodge Dakota
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7/09/2004
23:15:20

RE: 5.2L cam duration @ .050?
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Check it out: http://www.dodgeram.org/tech/gas/specs/valve-5_2.htm



gen1dak
Dodge Dakota
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7/09/2004
23:16:44

RE: 5.2L cam duration @ .050?
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Sorry, that doesn't address the .050. Gotta check that, but it ain't much.



mcarthey
Dodge Dakota
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7/10/2004
00:08:00

RE: 5.2L cam duration @ .050?
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Thanks for the link. I'm just trying to make some comparisons which is why I asked for the .050. I'm having a hard time finding original specs on the 5.2.




mcarthey
Dodge Dakota
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7/10/2004
00:14:02

RE: 5.2L cam duration @ .050?
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I'm looking at Comp Cams.
20-608-9:
HYDRAULIC ROLLER: Factory replacement for 318 with strong torque.
Duration at .050: 199
Intake Valve Lift: 0.48
Exhaust Valve Lift: 0.48
Lobe Seperation: 112

I'd like to find out what I've got now so I know where I'm going. I'm trying to stay in the 200 degrees of duration range to avoid low-end torque issues. I'll be leaning towards the torque end of things, but would like to see a bit of performance out of it.




gen1dak
Dodge Dakota
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7/10/2004
01:00:28

RE: 5.2L cam duration @ .050?
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I'm thinking it's in the mid-180 degree range, but I gotta check an article.
The cam you mention...I spoke with CC a couple years ago about it. What they mean by factory replacement is that it has a bit more duration and a nice increase in lift, but is compatible with stock computer and fuel system. You will definitely need to upgrade the valve springs with that much lift. If you decide you want that grind, I have that same cam, never used, in box, and cheap. Won it in an eBay deal, but turned out to be not what I was thinking it was....a bit mild for my goals.



mcarthey
Dodge Dakota
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7/10/2004
09:44:36

RE: 5.2L cam duration @ .050?
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If the price was right I'd certainly be interested in taking it off your hands. I was also looking at the 20-622-9 from Comp Cams but I'd love to experiment with the other one without breaking the bank (also known as 'the wife'). If I were to go with the 622 I'd probably be looking at advancing the timing in order to get the power range a bit lower for towing. I just have to experiment a bit. There are worse things than trying different configurations. :)



gen1dak
Dodge Dakota
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7/10/2004
14:35:14

RE: 5.2L cam duration @ .050?
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You do have an Magnum engine, yes?
Summit Racing shows $279 for just the cam. You can have mine for $100 and whatever the shipping is....$15ish, I'd guess. If you'd like, I'll send a pic of the cam so you can inspect it.



mcarthey
Dodge Dakota
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7/10/2004
17:35:44

RE: 5.2L cam duration @ .050?
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1997 5.2L I believe is the Magnum? If so, I'll take it. I shouldn't need to see a pic, but if you'd like to send one to werlax@hotmail.com, go ahead. That's my junkmail account (since I'm posting public), but I'll check it for your message.
Thanks!



gen1dak
Dodge Dakota
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7/10/2004
18:49:21

RE: 5.2L cam duration @ .050?
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Yeah, it's a Magnum. Just wanted to make sure. I'll get the cam out tomorrow and pic it. Just came in from delving into the inner workings of the 46RE tranny....a new area for me. I've done engines before, but never a tranny. Amazing! I'm reverse-engineering it to turn it into a 46RH. Not that big a deal (not possible according to Mopar), just swapping out the right parts, but it still amazes me that those doo-dads in there can make a vehicle move and take so much force. Later....



mcarthey
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7/11/2004
19:47:17

RE: 5.2L cam duration @ .050?
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I'm continually amazing by different parts of mechanical engineering. I was recently looking at the torque converter. I was impressed by the simplicity of it all, and yet how well it functions. I only scratched my head a few times, too. ;)
Any luck in getting the pics? I spent the whole day on our boat. Fishing until 1pm, then the rest of the day doing some tubing and jetskiing. Got a bit burnt, but it was worth it.




gen1dak
Dodge Dakota
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7/12/2004
00:22:54

RE: 5.2L cam duration @ .050?
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Should be there now. All day on the boat, eh? You Dawg!



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