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Would you choose a 318 or 360? #1345876
12/04/12 12:56 PM
12/04/12 12:56 PM
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Skid_Demon Offline OP
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I am going to build up a 40's dodge pickup to be a driver, used 3-4000 miles during the driving season. I have a chance to buy a mid-70's 318 2bbl from a car. Runs great, good price, he will pull and load in my trailer. I can buy a 360 in a 1977 motorhome. 2bbl, runs great, but I would have to pull the engine out and scrap out the rest. The 360 would cost about $150 more after everything is said and done. I have the 727 tranny, just need the correct TC. Would there much difference in performance between the two? Would one get better economy, would the 360 feel that much stronger? Not really looking forward to laying on the frozen ground outside to pull the 360, but perhaps it's worth the numb fingers. Gotta keep the budget in mind. What do you think? Thanks!!

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345877
12/04/12 01:01 PM
12/04/12 01:01 PM
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dogdays Offline
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The 318 is a good starting point. That truck shouldn't weigh that much.

R.

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345878
12/04/12 01:05 PM
12/04/12 01:05 PM
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Kelowna, B.C. Canada
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DPelletier Offline
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Depends what you want, but yeah, the 360 will feel stronger. At the end of the day, 42 cu in is 42 cu in and there really IS no replacement for displacement.


Dave


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345879
12/04/12 01:21 PM
12/04/12 01:21 PM
Joined: Feb 2005
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Cincinnati, Ohio
Challenger 1 Offline
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That 360 was worked to near death in a motorhome, I bet at least one of the heads are cracked. I'd go for the 318 myself unless I was going to rebuild it and replace the heads, then maybe the 360. No fun getting rid of the rest of the motorhome either.

Re: Would you choose a 318 or 360? [Re: Challenger 1] #1345880
12/04/12 02:41 PM
12/04/12 02:41 PM
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Manitoba, Canada
DaytonaTurbo Offline
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I would pass on both engines. Find yourself a 90's magnum 318. Will be stronger and get better mpg than either of the engines you mentioned. They have moly rings so they last much much longer than the old 318 and 360's and being run on fuel injection their whole life means that they will be way more clean inside. Even if you ditch the EFI and switch it to carb you are still better off IMO.

Re: Would you choose a 318 or 360? [Re: DaytonaTurbo] #1345881
12/04/12 03:10 PM
12/04/12 03:10 PM
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Iowa
76dodgeboy Offline
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If its being built for a cruiser a 318 is plenty. Whats the 318 going to cost? You should be able to pick up a 318 for under $250 and a 360 under $350 both in Running condition. Theres a few 318s local to me for $250 and under.

Re: Would you choose a 318 or 360? [Re: DaytonaTurbo] #1345882
12/04/12 03:15 PM
12/04/12 03:15 PM
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Cincinnati, Ohio
Challenger 1 Offline
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Quote:

I would pass on both engines. Find yourself a 90's magnum 318. Will be stronger and get better mpg than either of the engines you mentioned. They have moly rings so they last much much longer than the old 318 and 360's and being run on fuel injection their whole life means that they will be way more clean inside. Even if you ditch the EFI and switch it to carb you are still better off IMO.




Can't argue with you there, only bad thing is the OP don't have a line on one right now, I don't think?

Re: Would you choose a 318 or 360? [Re: DaytonaTurbo] #1345883
12/04/12 06:01 PM
12/04/12 06:01 PM
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Grand Haven, MI
patrick Offline
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Quote:

I would pass on both engines. Find yourself a 90's magnum 318. Will be stronger and get better mpg than either of the engines you mentioned. They have moly rings so they last much much longer than the old 318 and 360's and being run on fuel injection their whole life means that they will be way more clean inside. Even if you ditch the EFI and switch it to carb you are still better off IMO.




I second this idea...you can get the roller cam reground cheap, toss some hughes #1110 springs and retainers and have a solid 300HP motor.

2nd choice would be to find a low mileage but rusty '85-up 5th ave and pull the motor from it. roller cam, higher compression, 302 closed chamber heads....add headers, a small 4bbl, and get the cam reground and use hughes #1110 springs and you'll have a solid 240-250hp motor with similar torque as the magnum (it'll probably fall off faster over 5000 RPM is all)....


1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
Re: Would you choose a 318 or 360? [Re: DaytonaTurbo] #1345884
12/04/12 06:06 PM
12/04/12 06:06 PM
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck Offline
Not enough dumb comments...yet
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Brookeville, Md
Quote:

I would pass on both engines. Find yourself a 90's magnum 318. Will be stronger and get better mpg than either of the engines you mentioned. They have moly rings so they last much much longer than the old 318 and 360's and being run on fuel injection their whole life means that they will be way more clean inside. Even if you ditch the EFI and switch it to carb you are still better off IMO.




I'd also look for a magnum engine. I wouldn't run injection, but the roller parts and head design is much better. a 318 Mag has 215hp stock... real easy to get 275 w/ some bolt ons.


[IMG]http://i66.tinypic.com/pui5j.jpg[/IMG]
Coming soon!!!!
Re: Would you choose a 318 or 360? [Re: Mr.Yuck] #1345885
12/04/12 07:08 PM
12/04/12 07:08 PM
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eastern, pa.
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cudabitten Offline
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I just recently went through this. I had a hard time finding a low miles (under 100k), Magnum that I could hear running. And you still have to deal with the EFI/serpentine stuff. If you heard the 318 running then at least you have that.

Re: Would you choose a 318 or 360? [Re: cudabitten] #1345886
12/04/12 08:09 PM
12/04/12 08:09 PM
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dogdays Offline
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Here we go: let's keep it up and pretty soon we'll be telling him he NEEDS an aluminum block Hemi.

The cool thing is to start out with the 318, get the vehicle running safely and then upgrade power if you want to. 360s, 408s and Mag motors will drop in wherever the 318 would. As would a 5.7 Hemi.

BTW, the "Street Rodder" Moparts forum would be a better place to ask this question.

R.

Re: Would you choose a 318 or 360? [Re: dogdays] #1345887
12/04/12 08:55 PM
12/04/12 08:55 PM
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flyman Offline
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Re: Would you choose a 318 or 360? [Re: flyman] #1345888
12/04/12 09:25 PM
12/04/12 09:25 PM
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Posts: 21,345
Marysville, O-H-I-O
70Cuda383 Offline
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do you want more or less horse power?



**Photobucket sucks**
Re: Would you choose a 318 or 360? [Re: 70Cuda383] #1345889
12/04/12 09:57 PM
12/04/12 09:57 PM
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ahy Offline
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I'd pick the 318 of the two. It should have plenty of power for the project, sounds like it is in decent shape and is handy. I've seen guys (try) to scrap out a motor home. Big job and I guess low return on time and effort.

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345890
12/04/12 10:44 PM
12/04/12 10:44 PM
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Chilliwack B.C. Canada
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RUNCHARGER Offline
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When I ordered my new 86 D150 I ordered every option available except I screwed up and ordered the 318 instead of the 360. 360 gets pretty much the same gas mileage as an 18 but is a bunch more fun to drive. However I have to agree that a 77 MH engine is probably used up. I too would look for a magnum engine, they are superior in every way.

Sheldon

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345891
12/05/12 12:11 AM
12/05/12 12:11 AM
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Skid_Demon Offline OP
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Wow, great information. If I can find the magnum, what do I need to do to switch from EFI to carb? Any idea on cost? Thanks.

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345892
12/05/12 12:17 AM
12/05/12 12:17 AM
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Chilliwack B.C. Canada
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RUNCHARGER Offline
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I believe Mopar Performance makes a manifold and also Crosswinds. I haven't looked for one lately though. My totally stock 86 318 D150 ran 19.22 in the quarter, my totally stock 92 318 Magnum ran 16.22 in the quarter with better gas mileage. thats when the trucks were brand new so it's a pretty fair comparison of how much better the Magnums are.

Sheldon

Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345893
12/05/12 01:50 AM
12/05/12 01:50 AM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

I am going to build up a 40's dodge pickup to be a driver. I have a chance to buy a mid-70's 318 2bbl from a car. Runs great, good price, he will pull and load in my trailer. Not really looking forward to laying on the frozen ground outside to pull the 360, Gotta keep the budget in mind. What do you think? Thanks!!


considering all of the above: as Dog said get it running with the 318. Then while you are enjoying your machine you can plan a 408 (360) stroker with killer heads


live every 24 hour block of time like it's your last day on earth
Re: Would you choose a 318 or 360? [Re: Skid_Demon] #1345894
12/05/12 02:30 AM
12/05/12 02:30 AM
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Back home in PA
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BulletBob Offline
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Quote:

Wow, great information. If I can find the magnum, what do I need to do to switch from EFI to carb? Any idea on cost? Thanks.



The cost depends on whether you use the original serpentine Mag stuff or 78back LA V belt drive
The V list is as follows
Crosswinds intake $180.00
Cam snout extension 23.00
LA timing cover,Brackets & pulleys/fuel pump

Serpentine list
Edelbrock RPM Air-Gap $322.50
Carter 4070 Electric fuel pump $78.00

The Crosswinds is a direct bolt on with a RV2 compressor brackets

The Edelbrock needs spacers made & different bolts to attach A/C brace & Alt brace

I own both

Re: Would you choose a 318 or 360? [Re: RapidRobert] #1345895
12/05/12 02:35 AM
12/05/12 02:35 AM
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libby mt
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lifted85 Offline
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if it was me i would go for the 318.. they are a good little rapper's. my ol man dumped 2k+ in his 360 an it was a dog so i stay away from them, my mild 318 will run 6-7k all day long.. if ya google cheap 318 on the hotrod forums they will show ya how to build a 400+hp 318 for cheap..


drive fast, drive hard, DRIVE MOPAR
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