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Custom Dodge Ram Performance Mods - Engine - 5.2 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!


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  #11  
Old 12-30-2009, 01:33 PM
Yondaime Yondaime is offline
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Oooh ok Then it would be more on a performance because i really wont be hauling or pulling a lot.
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  #12  
Old 12-30-2009, 02:02 PM
Saint1911 Saint1911 is offline
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Ok, here is where I make a few assumptions, To start with, I have to assume you are relatively young which means this is probably your only or at least primary vehicle. If that is the case you will want to keep reliability and some fuel economy. If you are looking for more of a hotrod muscle car aspect, the 318 engine is definitely one with potential. I would not reccomend going too extreme still. Once you get to the heavier cams, along with the considerations we already mentioned, you will also have to consider your timing curve, and your air fuel ratio and ensure they are both tuned properly to the profile of the cam you have. When you start building an engine with the heavy cams you will likely need to upgrade your ignition system and your fuel rails, fuel pump, and injectors not to mention having your ECU reprogrammed to adjust the fuel management and spark timing. All of this can get pretty expensive and if it isn't set up correctly will destroy a perfectly good motor.

I would still stick to a mid-range cam. You would still want to have a shop flash your ECU and some places will do that for free if you buy the cam from them. The good thing about a mid range cam is your stock ignition and fuel system can handle it. You will get good gains from it and later you can add the fuel system, ignition system, intake manifold or even better heads and get even more gains. All the while, your are keeping your truck reliable and keeping the initial cost down. I also still hold to what I said earlier, use google. It is your friend when you need to decide on something like this. Look at some builds of engines similar to yours.
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  #13  
Old 12-30-2009, 02:10 PM
Yondaime Yondaime is offline
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You are right i am young (18) and it is my primary vehicle. Thank you a lot for your help on this because i really didnt know much about it, and after you said to go with a mid-range cam it really narrow down my search for what i am looking for.
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  #14  
Old 11-20-2010, 09:58 AM
LeeCox LeeCox is offline
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Default proper camshaft selection

Hello, I am currently in the re-build mode of my 318 (5.2) . At 145,000 I spun a connecting rod bearing. The crankshaft just returned from the machine shop were it was turned on a lathe as well as all of the connecting rods. Heads have been completely been redone as well as cylinders measured and honed for new rings. My question is that I now will be hauling two lightweight sport quads around and was wondering if any of you have a aftermarket camshaft in yours and maybe which model. Im definitely looking for something from idle to around 5000 rpm but do not want to have to change valve spring profile or adjustable pushrods. Just a nice " BOLT IN " camshaft and lifter set. Bearings are already pressed in and ready to go.

PS OH ya its my first post as well. Thank you for the help. Lee Cox
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  #15  
Old 12-31-2010, 04:04 PM
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Hughes Engines has a good selection of Magnum cams, including regrinds that are cheaper. The duration needs to be kept low to work with the stock computer tuning, so you won't get that lumpy sound. The Comp cam XR 256 cam is a drop in, and should make more torque and power , in a lower RPM range.
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  #16  
Old 04-18-2011, 11:55 AM
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I have a 95 w/318 magnum and 518a trans. when i installed the trans omg it pulled anything with very little effort. Now, I pull my boat 3,500lb, and my mud truck 6,000lb + trailer. so i use it for pulling all the time. I somehow busted a piston (#8). Looking at my broke down motor I see a empty canvas with lots of potential. App on my research I decided to go with a stroker kit (390ci). I am having probs locating a cam. I am looking for a low range (medium rv style). Does anyone have any info on where i can locate a cam or a choice of? Thanxs for the help
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  #17  
Old 04-24-2011, 01:43 PM
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Hughes Engines is a good source for Mopar cams. I used a Hughes "Whiplash" cam in my carburated 318 in my 79 Ramcharger, and it really woke it up. Their cams have more lift than the Comp cams, and they sell the matching springs.
You need to avoid detonation to save your pistons, rebuild your distributor, and limit the total advance to about 32 degrees.
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