5.9 Magnum and a 318
#3036360
04/23/22 03:27 PM
04/23/22 03:27 PM
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Joined: Dec 2007
Posts: 12,587 Great Neck,LI,new york
hemi-itis
OP
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OP
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Great Neck,LI,new york
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Will the front pullies,a/c and water pump from a 318/340 fit a magnum engine?
HEMI-ITIS has no cure. My condition is fully BLOWN!!
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Re: 5.9 Magnum and a 318
[Re: hemi-itis]
#3036373
04/23/22 03:53 PM
04/23/22 03:53 PM
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Joined: Jan 2005
Posts: 12,419 Kalispell Mt.
HotRodDave
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I Live Here
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Kalispell Mt.
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If you switch the timing cover and all plus I think I had to modify one of the bolt holes on a magnum head, theyre on a differnt plane and less of them so you might have to grind one of them away. On the other hand it is very easy to use the magnum serp belt set up in an old car, the PS hoses usually screw right in the back of the pump, the AC just needs lines made at a local NAPA or something and hook up the existing clutch wire. One heater hose needs extended and maybe a couple other little things I can't remember
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: 5.9 Magnum and a 318
[Re: cudaman1969]
#3036532
04/24/22 10:20 AM
04/24/22 10:20 AM
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Joined: Jan 2008
Posts: 2,240 ILLINOIS
volaredon
top fuel
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top fuel
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Posts: 2,240
ILLINOIS
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Everything changed over, I can take a pic of mine if you like. The later harmonic balance won’t work, pully is made into it Only the last 2-3 years, I know that 98 versions still have the damper and pulley as seperate pieces but somewhere around 00-01 they went to integral pulley. My 01 Durango had the integral pulley as did the replacement '00 360 did. But not all magnum 360s had that
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Re: 5.9 Magnum and a 318
[Re: dvw]
#3036725
04/24/22 10:02 PM
04/24/22 10:02 PM
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Joined: Dec 2007
Posts: 12,587 Great Neck,LI,new york
hemi-itis
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I Live Here
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OP
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Joined: Dec 2007
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Great Neck,LI,new york
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You'll need a 45 degree fitting in the intake manifold for the water pump bypass hose. Doug Thanks Doug
HEMI-ITIS has no cure. My condition is fully BLOWN!!
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Re: 5.9 Magnum and a 318
[Re: volaredon]
#3036726
04/24/22 10:03 PM
04/24/22 10:03 PM
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Joined: Dec 2007
Posts: 12,587 Great Neck,LI,new york
hemi-itis
OP
I Live Here
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OP
I Live Here
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
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Everything changed over, I can take a pic of mine if you like. The later harmonic balance won’t work, pully is made into it Only the last 2-3 years, I know that 98 versions still have the damper and pulley as seperate pieces but somewhere around 00-01 they went to integral pulley. My 01 Durango had the integral pulley as did the replacement '00 360 did. But not all magnum 360s had that The pulley is separate
HEMI-ITIS has no cure. My condition is fully BLOWN!!
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Re: 5.9 Magnum and a 318
[Re: volaredon]
#3036939
04/25/22 12:47 PM
04/25/22 12:47 PM
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Joined: Jan 2004
Posts: 8,273 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,273
fredericksburg,va
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Everything changed over, I can take a pic of mine if you like. The later harmonic balance won’t work, pully is made into it Only the last 2-3 years, I know that 98 versions still have the damper and pulley as seperate pieces but somewhere around 00-01 they went to integral pulley. My 01 Durango had the integral pulley as did the replacement '00 360 did. But not all magnum 360s had that Yes I know, the meaning of later
Last edited by cudaman1969; 04/25/22 12:48 PM.
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Re: 5.9 Magnum and a 318
[Re: hemi-itis]
#3038152
04/29/22 08:39 AM
04/29/22 08:39 AM
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Joined: Jun 2003
Posts: 2,412 Weatherford, Texas
RapidusMaximus
top fuel
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Joined: Jun 2003
Posts: 2,412
Weatherford, Texas
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MagnumSwap.com is full of good information, don’t know which oil pan you’ll be using but pay close attention to that section or you’ll have an Exxon Valdez experience under the car…DAMHIK….
Last edited by RapidusMaximus; 04/29/22 08:40 AM.
1968 Plymouth GTX 1974 Dodge P/U Long Bed Stepside 318 2019 Ram 2500 6.4, auto, 4WD
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Re: 5.9 Magnum and a 318
[Re: RapidusMaximus]
#3112902
01/17/23 03:41 PM
01/17/23 03:41 PM
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Joined: Nov 2021
Posts: 246 Falcon, CO
Mad-Max
enthusiast
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enthusiast
Joined: Nov 2021
Posts: 246
Falcon, CO
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...this is the most recent and most relevant thread I could find on the topic, and have a quick clarification question about bolting an LA 360 car oil pan up to a magnum block: is swapping out the timing cover for an LA unit 100% required in order to bolt up an LA pan to a magnum engine? Sounds like it is...and if that's the case then I think that means the magnum water pump and serpentine setup cannot be used either...hmmmm...
Last edited by Mad-Max; 01/17/23 05:36 PM.
71 Demon (project): 318, A-833od, 8-3/4, 3.23's 14 Wrangler JKU M-380 "Kilroy" (under construction): Magnum 360, 46rh, Atlas4, D60/14b-5.38s-Grizzlys, 40s 07 Ram 3500 MegaDually 4x4 "Big Mack": 5.9 6BT, G56 'Toy Hauler' 52 Willys M-38 "Poncho"
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Re: 5.9 Magnum and a 318
[Re: Mad-Max]
#3112976
01/17/23 08:02 PM
01/17/23 08:02 PM
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Joined: Jan 2004
Posts: 8,273 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,273
fredericksburg,va
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...this is the most recent and most relevant thread I could find on the topic, and have a quick clarification question about bolting an LA 360 car oil pan up to a magnum block: is swapping out the timing cover for an LA unit 100% required in order to bolt up an LA pan to a magnum engine? Sounds like it is...and if that's the case then I think that means the magnum water pump and serpentine setup cannot be used either...hmmmm... Basicly the only difference between covers is the magnum cover has no place for a mechanical pump, maybe timing marks too. I have the later rear sump magnum pan on my 340 for racing and put the moroso 340 pan on the magnum. All it takes is a little ingenuity.
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Re: 5.9 Magnum and a 318
[Re: Mad-Max]
#3113008
01/17/23 09:15 PM
01/17/23 09:15 PM
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Joined: Dec 2009
Posts: 20,640 in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
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...this is the most recent and most relevant thread I could find on the topic, and have a quick clarification question about bolting an LA 360 car oil pan up to a magnum block: is swapping out the timing cover for an LA unit 100% required in order to bolt up an LA pan to a magnum engine? Sounds like it is...and if that's the case then I think that means the magnum water pump and serpentine setup cannot be used either...hmmmm... No you don't need to swap the cover. The difference is all in the front of the oil pan. If you are using a magnum pan use the magnum pan gasket. LA pan, use the LA pan gasket. You can't use a magnum pan on an LA 318 or an LA 318 pan on a magnum. The rear main cap seal is different. The magnum is the same as the LA 360 main cap seal.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion. 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: 5.9 Magnum and a 318
[Re: Guitar Jones]
#3114203
01/18/23 02:56 PM
01/18/23 02:56 PM
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Joined: Nov 2021
Posts: 246 Falcon, CO
Mad-Max
enthusiast
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enthusiast
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Posts: 246
Falcon, CO
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alright good - I didn't want to swap over to an LA cover, and I have another idea on how to seal the pan, but it's good to know the LA gaskets will work. Thanks all
71 Demon (project): 318, A-833od, 8-3/4, 3.23's 14 Wrangler JKU M-380 "Kilroy" (under construction): Magnum 360, 46rh, Atlas4, D60/14b-5.38s-Grizzlys, 40s 07 Ram 3500 MegaDually 4x4 "Big Mack": 5.9 6BT, G56 'Toy Hauler' 52 Willys M-38 "Poncho"
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Re: 5.9 Magnum and a 318
[Re: roadrunninMark]
#3114315
01/18/23 09:21 PM
01/18/23 09:21 PM
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Joined: Dec 2009
Posts: 20,640 in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
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So if I understand correctly: LA engine can use the magnum serpentine belt system and what is needed from the magnum: alternator and a/c compressor (and pulleys of course), belt tensioner, water pump w/pulley (or just pulley possibly?), balancer pulley (or does one need the balancer too?)? Power steering and pulley (if power steering car) or if non power steering, make some idler pulley? Everything else can be from the LA?
I ask because I would like to use the serpentine system on a stock looking 71 318, just without power steering. I would like to have the alternator on drivers side and a/c unit on passenger side. You can put the LA stuff on a magnum using the LA timing cover and water pump. You can not put the magnum stuff on the LA without the heads, timing cover, water pump and intake manifold. You will need the magnum alternator, compressor, the early magnum crank pulley, and power steering pump bracket. I just used the whole pump and bracket assembly. You can use the LA balancer if you have the early (pre 2000?) magnum crank pulley or you can use the late one piece magnum balancer on a 318 or any other internally balanced crankshaft.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion. 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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