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phat4x4
Dodge Dakota
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3/28/2002
15:21:13
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 Subject: Diff. between 318 & 360
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I've read on this site that the 360 is the same engine as the 318 just with different bore/stroke/deck height. Is this true? If it is, then will the computer from the 318 work for the 360?
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kota on 20s
GenIII
3/28/2002
19:59:36
|  RE: Diff. between 318 & 360
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yup, and nope
Eric, 98 5.2 5speed, K&N gen II, 50mm TB, 2bbl M-1, 1.7RR's, JBA ciramic headers, carsound cat, dumped gibson, and a lot more
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Spiler
Dodge Dakota
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3/28/2002
21:48:00
|  RE: Diff. between 318 & 360
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Just did the swap last weekend. You'll need a new Harmonic balancer(one for a 360), a balanced flexplate for a 360(and maybe a torque converter depending on what type yours came with), and a 360 PCM of the same year. It cost me $400 other than the engine to do the swap.
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kota on 20s
GenIII
3/28/2002
22:12:10
| RE: Diff. between 318 & 360
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he is asking if a 5.2 PCM will work on a 5.9, or vice verca. not a engine swap
Eric, 98 5.2 5speed, K&N gen II, 50mm TB, 2bbl M-1, 1.7RR's, JBA ciramic headers, carsound cat, dumped gibson, and a lot more
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phat4x4
Dodge Dakota
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3/29/2002
12:35:38
| RE: Diff. between 318 & 360
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Just curious: Why not?
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Gman
Dodge Dakota
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3/29/2002
15:09:44
| RE: Diff. between 318 & 360
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I say go with technology the 4.7 is where the most power is for size & weight.
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kota on 20s
GenIII
3/29/2002
18:43:17
| RE: Diff. between 318 & 360
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Gman, what are you talking about? he didnt ask anything about the 4.7. all he is asking is why cant you use a 5.2 pcm on a 5.9. NOTHING TO DO WITH ENGINE SWAPS OR RECOMENDATIONS ON ENGINES. what is so hard to understand?
phat 4x4, i THINK reason (at least one) is the 5.2 and 5.9 have differant fuel curves, and maybe something to do with the timing. sorry i cant help you more, but if you e-mail bernd (you can get his e-mail at speedtweaks.net, im sure he can tell you the reasons. and maby tell you what you can do to make it work (if its possible)
Eric, 98 5.2 5speed, K&N gen II, 50mm TB, 2bbl M-1, 1.7RR's, JBA ciramic headers, carsound cat, dumped gibson, and a lot more
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Brad
Dodge Dakota
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4/02/2002
20:22:24
| RE: Diff. between 318 & 360
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The engine would probably run but the 318 pcm wouldn't supply enough fuel for the 360.
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CW
GenIII
4/02/2002
21:07:36
|  RE: Diff. between 318 & 360
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Get a custom programed PCM. Then all problems solved.
2001 4.7 RC 5sp 3.92 LSD
Click on thumbnail for mods.
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LOUDNCLR
Dodge Dakota
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2/12/2004
15:24:03
| 318 to 360 Swap
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I know this has been asked. But I'm still not sure of the answer. I have 99 4x4, with stock 318 which is shot. I want to replace with a 360 crate motor. My truck is a 5spd. What all do I need to change to make this engine work. I have heard many conflicting stories. Would like to hear from someone who has made it work. Thanks
J
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robert
Dodge Dakota
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2/12/2004
18:20:03
| RE: Diff. between 318 & 360
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did the swap your thinking about in a 99 dakota with 5-speed, except it wasn't a 360 crate motor. just a regular 360 with some head work. the stock 318 computer will work on the 360 motor, just keep the intake off the 318,change the harmonic balancer and flexplate. been a while ago since i did this so i might have forgotten a thing or two,but it will work no problem! just e-mail me for any questions.
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gen1dak
Dodge Dakota
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2/12/2004
21:31:13
| RE: Diff. between 318 & 360
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I'll tell you one thing you forgot. Unless you meant "a little head work" was something awfully creative involving a drill bit, I'd like to know just how you managed to make a 318 Magnum intake fit LA heads. That's kinda inportant to remember. Okay, will the 318 Magnum run the 360? Yes. Will it run well? No. Why? Simple math. 42 cubic inches of displacement. A 5.2 PCM isn't able to accomodate such an increase. You can hop up a 318 and put a 360 computer on to accomodate the mods, but the reverse just makes a meager engine. The 273/318/340/360, and Magnum 5.2/5.9 are all from the same lineage.
Up into 1996, the 360 was balanced with a weighted torque converter. At some point in '96, this was changed to a zero-balance torque converter like the 318. The balance weights were moved to the flexplate. Thes '96 and up torque converters have even spacing for the flexplate bolts, and will have 90 (degrees) stamped into them. Also, LA 360's use different weight that pre-'96 360 Magnums, so they do not interchange, even though they will bolt up.
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read again
Dodge Dakota
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2/13/2004
08:25:04
| RE: Diff. between 318 & 360
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He never said it was an LA engine, he just said it was a 360, that could be a 360 out of a 2000, or a 92, or a 98, or any other magnum year. You flip out about stuff to easily!
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robert
Dodge Dakota
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2/13/2004
16:38:12
| RE: Diff. between 318 & 360
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I said it was a regular 360! with a little head work! enough said, and yes it was a magnum. Come to think of it, i did use the stock 360 intake, but i used the sensors off the 318 intake, so i could plug them into the wiring loom. As for performance, let me tell you it didn't go any slower than it had when it had the 318 in it!
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gen1dak
Dodge Dakota
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2/14/2004
00:44:32
| RE: Diff. between 318 & 360
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What exactly do you consider to be a Magnum? Generally, from what I've seen, 360 Magnums appeared in 1993. A "regular" 360, seems to be the term most use to describe an LA, or pre-Magnum 360. Are you meaning it was a production vehicle 360 Magnum? I draw this distinction, because MP makes several crate motors, not all of which are performance-oriented. Umm, didn't those 318 Magnum sensors look awfully familiar?
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warwagon
Dodge Dakota
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9/04/2004
15:53:26
| RE: Diff. between 318 & 360
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I have a 1990 5.2 efi Dakota that I want to swap a 1993 5.9 magnum into.I have a complete engine T.B.to pan w/all the mounts brackets and pulleys.So what else do I need,and what is involved in the wiring?
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gen1dak
Dodge Dakota
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9/04/2004
18:59:23
| RE: Diff. between 318 & 360
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You need to decide which accessory drive setup you want to use. The Magnum fan and water pump turn in the opposite direction of the LA. It would be very helpful to have the Magnum wiring harness. That way you could tie it and a 360 Magnum PCM into your existing wiring, or keep it separate, letting your stocker handle the more mundane functions, but the Magnum can be used for just engine/tranny management. You will also need to get a fuel pump module swapped for your '90 model, as well as beefier fuel lines...Magnums use higher pressure. You will need to have your stock torque converter balanced for the 360, if you plan on using it. Since the Magnums had a revised exhaust, it'd be better to use them as well, the pre-Magnum is rather restrictive.
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big daddy
Dodge Dakota
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6/19/2005
23:29:16
| RE: Diff. between 318 & 360
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How do you tell if youf 360 was made befor 1996
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gen1dak
Dodge Dakota
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6/20/2005
01:44:31
| RE: Diff. between 318 & 360
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The engine ID is stamped in a machined pad on the left front corner of the engine block. The first number is the last digit of the model year of the vehicle. There's another single letter, then the engine displacement. Then, a single letter (should be a "T" for truck. Next is a 4-digit number indicating the month/day. The remaining numbers are the last 8 digits of the VIN.
If the engine is complete, look at the rear of the intake manifold. 1996 and newer do not have EGR, which plugs into the rear of the intake.
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D Magnum
Dodge Dakota
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7/20/2005
05:38:20
| RE: Diff. between 318 & 360
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How Difficult would it be to pull a 318 from a 92 dodge pick-up, and replace it with a 360 from a 97 dodge magnum
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jayb
Dodge Dakota
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7/20/2005
10:35:46
| RE: Diff. between 318 & 360
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i think everything would bolt up, maybe even the intake. but uh... im not 100% on that. if it does, use an intake, from a 92 360 magnum. and the computer from a 92 magnum 360 as well. should plug in but not 100% on that either.
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