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Terry
Dodge Dakota
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7/25/2006
22:02:01
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 Subject: heads on 5.9vs5.2
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will the heads off a 318 work on a 360? i know it is kinda stupid to do that but i have a truck with a cracked head and i have a 318 with good heads. so if it would work please reply
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Forseti
Dodge Dakota
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7/25/2006
22:41:14
|  RE: heads on 5.9vs5.2
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Yes they will fit ...... and correct me if im wrong BUT I believe they are the same heads
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gen1dak
Dodge Dakota
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7/26/2006
18:34:01
| RE: heads on 5.9vs5.2
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Magnum 318 and 360 heads are the same. However, the 318 Magnum heads have ever-so-slightly larger valves, while 360 Magnums retain the same valve sizes as the 360LA. If anything a 360 Magnum will breathe just a hair better with the 318 Magnum heads. You are talking about Magnum heads, yes?
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clint
Dodge Dakota
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7/26/2006
23:09:46
| RE: heads on 5.9vs5.2
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sooo wait. if i put 5.9 magnum heads on my 5.2 magnum it will breath better? or the other way around?
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clint
Dodge Dakota
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7/26/2006
23:17:48
| RE: heads on 5.9vs5.2
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and what is exactly differnt with those motors? bore and stroke? can you use the same cams? intakes too right? j/w
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toolfan
GenIII
7/27/2006
00:35:24
| RE: heads on 5.9vs5.2
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they use the same cams and intake too clint.
did you have a lot of miles on the 360 magnum when you cracked the head? 3 out 4 people that i knew that had the 360 cracked a head.
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Austin Coil
Dodge Dakota
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7/27/2006
09:54:01
| RE: heads on 5.9vs5.2
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the 5.2 magnum cam has slightly more lift and duration than the 5.9 cam. magnum heads, either the 5.2 or 5.9 version (both identical) kick ass because of the velocity charge of the intake port.
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Ford Rocks
Dodge Dakota
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7/27/2006
11:35:20
| RE: heads on 5.9vs5.2
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"they use the same cams and intake too clint."
Toolfan, you are bottomless pit of misinformation. Listen to Austin Coil.
You can't prove it by me but some people claim that the 5.2 gives the 5.9 a little added performance.
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gen1dak
Dodge Dakota
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7/27/2006
17:54:24
| RE: heads on 5.9vs5.2
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The 360 Magnum has .410" gross lift while the 318 Magnum has .432" lift. Again, while the heads are identical, the 318 Magnum has 1.916" intake and 1.624" exhaust valves, the 360 has 1.88" intake and 1.617" exhaust valves. While not in any way a cost-effective swap for power, your 360 will benefit slightly. As for using the same cams, Magnum cams interchange. Like the head swap, the 318 Magnum cam, especially the 1992 version, will really pep up the 360 Mag.
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toolfan
GenIII
7/27/2006
18:59:04
|  RE: heads on 5.9vs5.2
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oops got to be careful how i word things, with Ford Rocks around.
they are interchangeable clint.
I have a bottom...!
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trey
Dodge Dakota
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7/31/2006
22:58:58
| RE: heads on 5.9vs5.2
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the only difference in the magnum 5.2-5.9 is the bore,stroke, rear main cap. period!
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gen1dak
Dodge Dakota
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8/01/2006
00:08:49
| RE: heads on 5.9vs5.2
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...crank main bearing journals, balance weight, the aforementioned valve sizes, aforementioned cam specs, piston height, compression ratio..........
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Austin Coil
Dodge Dakota
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8/01/2006
00:31:03
| RE: heads on 5.9vs5.2
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gen1dak, STFU and stop being a smart @ss. trey is merely wanting to keep it simple for the newby. we dont have to get into ring end gaps, water pump gpm's, or exhaust gas temps between the 5.2 and 5.9 engines.
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gen1dak
Dodge Dakota
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8/01/2006
14:43:10
| RE: heads on 5.9vs5.2
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"the only difference in the magnum 5.2-5.9 is the bore,stroke, rear main cap. period!"
You're defending that?!??!
You want to keep it simple? Avoid broad, erroneous, generalizations that only serve to cloud things up that much more.
Ring end gaps and water pump output are the same, and exhaust gas temps are essentially the same (within a given range, based on a number of variables) as well.
Oh, and lets go back to your explanation as to why the heads are as good as they are. While the intake port is good, it's not that much better than the previous LA port. The major improvement goes to the exhaust port. Nothing new, since it's a copy of Mopar's 70's vintage W-2 head exhaust port. The result is a dramatically improved flow balance between intake and exhaust ports. By improving flow balance, the performance potential of the head was dramatically increased....relatively speaking. I mean, put it next to the Hemi heads, and it's not so hot, but it's a nice improvement over previous designs.
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clint
Dodge Dakota
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8/01/2006
22:51:35
| RE: heads on 5.9vs5.2
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sooo dose that mean if i put a 5.9 crank in my 5.2 i can get a 5.5?? lol j/w
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Austin Coil
Dodge Dakota
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8/02/2006
00:26:29
| RE: heads on 5.9vs5.2
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clint, that is correct. and you can use the 4.7 heads for better flow. *lol*
gen1dak, im just kidding! really, im kidding about using the 4.7 heads. dont get all technical on us now.
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toolfan
GenIII
8/02/2006
02:19:53
|  RE: heads on 5.9vs5.2
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Gen1dak has been really helpful on this board! he deserves a thanks not a STFU
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Austin Coil
Dodge Dakota
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8/02/2006
09:43:39
| RE: heads on 5.9vs5.2
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toolfan, keep the "dr phil" advice to yourself.
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toolfan
GenIII
8/02/2006
12:59:50
|  RE: heads on 5.9vs5.2
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see, Austin Coil, your problem is that you like to argue with people on the Internet for no good reason. they have a book for you its called.
(Getting Along On The Internet, For Dummies)
i think you should pick up a copy.
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Austin Coil
Dodge Dakota
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8/02/2006
15:20:32
| RE: heads on 5.9vs5.2
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wanna a group hug?
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clint
Dodge Dakota
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8/02/2006
19:22:22
| RE: heads on 5.9vs5.2
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kids
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