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Author Topic: OPINION ON STOCK 318  (Read 1641 times)
ALBSURE1091
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« on: March 27, 2018, 01:30:53 PM »

Hello all, I have an all original 69 with the 318 2bbl 904 tranny set up. The 318 has 109k original miles and never been opened. I still have to add lead to the fuel. She's getting tired and a rebuild is in the near future. Now do I stick with the factory 318 engine or go with a big block 383 or 440 set up? Obviously as far as money goes it would cost less rebuilding the 318 since I already have the engine. If I go 383 or 440 I would have to source both the engine and tranny since my 904 will not bolt up. Just curious what you would do if in my situation. Any input would be appreciated. Thanks!!
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John_Kunkel
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« Reply #1 on: March 27, 2018, 02:25:49 PM »

Changing from a SB to a BB is fairly costly, not only the engine/trans but the mounts, radiator, exhaust and, possibly, the rear end. Only you can decided if the cost is worth it.
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JB400
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« Reply #2 on: March 27, 2018, 02:39:41 PM »

Depends on how you enjoy your car.  If all you do is cruise it, I'd stick with the 318.  However, if you'd like to do some drag racing or just a little bit more spirited driving, then I'd upgrade.  If you do upgrade, you should be able to get a return in investment when you go to sell it.
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E5 Charger
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« Reply #3 on: March 27, 2018, 02:53:51 PM »

Another option is rebuilding the 318 with a stroker kit. Have a look through the Proven Engine combos, in the Engine section. Especially this one "http://www.dodgecharger.com/forum/index.php/topic,283.0.html". A good read, but too bad the photos aren't showing.
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Alaskan_TA
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« Reply #4 on: March 27, 2018, 06:13:44 PM »

One of my cars still has the original 318 with under 40K miles. I have no plans to ever modify it, it drives awesome just as it is.

A pal has a very well built 318 & it is a beast.

Nothing wrong with a 318.
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ALBSURE1091
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« Reply #5 on: March 28, 2018, 05:26:37 AM »

Thanks for the input guys! I know you can build a 318 as fast as a big block if you want.
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Ghoste
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« Reply #6 on: March 28, 2018, 07:22:35 AM »

If you aren't concerned about going fast, then stay with it.  There's a reason it was the primary corporate engine for Chrysler for so many years across so many vehicles.  It is the best standard duty engine of all time perhaps.
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Nacho-RT74
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« Reply #7 on: March 28, 2018, 07:35:35 AM »

http://www.hotrod.com/articles/318-small-block-build/

http://www.hotrod.com/articles/mopp-0409-318-engine-build/
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Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html
70 sublime
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« Reply #8 on: March 28, 2018, 09:16:30 AM »

Going to a big block you will want to change torsion bars and bigger brakes on the car also

Think if I was happy with 318 would look around and find a 360 to drop in its place
Less down time then waiting for a rebuild of what is in the car now
A little more zip and everything still fits
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ALBSURE1091
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« Reply #9 on: March 28, 2018, 03:13:04 PM »

Budget wise it just makes sense to stick with the original 318. She's still running good but just a little tired. Definitely will get another season out of her. Plus it's just so pretty!
Thanks for all the input everyone


* 318ENG.jpg (151.67 KB, 480x640 - viewed 492 times.)
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Mike DC (formerly miked)
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« Reply #10 on: March 29, 2018, 06:34:46 AM »


Small block 'core' engines are cheap.  For a few hundred bucks you could get another engine to overhaul at your leisure while the car is still running fine.  Do the swap when you've got it all rebuilt & ready.

Use another 318 or find a 360.  Either way it's hard to go wrong with a 4" stroker crank setup.  It's hardly more than redoing the stock displacement, and larger displacement is the best deal in real-world streetable power.   

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c00nhunterjoe
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« Reply #11 on: March 29, 2018, 09:37:43 AM »

Go to a junkyard, snag a 360 for 200 bucks, 4" stroker kit to a 408 for 1800 bucks, buy a GOOD set of heads, and hello 10 second small block....
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Charger-Bodie
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« Reply #12 on: March 29, 2018, 10:06:47 AM »

rebuild the 318 to stock. very trouble free and its not like they were total dogs anyway.
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c00nhunterjoe
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« Reply #13 on: March 31, 2018, 08:02:35 PM »

When assembled properly, they are all trouble free.  cheers
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Rolling_Thunder
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« Reply #14 on: May 23, 2018, 09:40:37 AM »

honestly...     my 68 came with a 318...   then i put in a Magnum 360 mopar crate, then a 383, then a 440, then a 512, and finally with my 6.1....        I do really miss the 318 on some days.  Simple, clean, completely stock. The only issue that engine ever gave me was the only aftermarket piece failed (mallory dizzy) - but then it needed a rebuild (thrust bearing was gone) and decided to do a 360 swap (was my daily driver) --- 

If i had a 318 car now I would honestly just rebuild it
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1973 Dodge Challenger Rallye - 340 / A-518 / 3.23 Sure Grip
Ghoste
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« Reply #15 on: May 24, 2018, 06:46:14 AM »

It would be nice to have "fun" one with with high performance and a nice reliable 318 car that you can drive everyday.
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ALBSURE1091
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« Reply #16 on: May 24, 2018, 10:51:10 AM »

I've decided to stick with the stock engine. Just too much involved to swap to big block not to mention the cost would be more than double. I'm confident in my ability to remove my engine have it rebuilt and re-install it. I would definitely need some help to go big block with all that is involved in making that swap.
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Montclaire
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« Reply #17 on: July 29, 2019, 08:24:04 PM »

Do a basic rebuild on what you have.  I'd upgrade to a small 4bbl and intake, it won't break the 904.  You could also slam in a stock 340 cam if the 318 one is tired.
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Vegas_Nick
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« Reply #18 on: August 04, 2019, 08:27:52 PM »

One other option, is go with the newer 5.2 or 5.9 magnum engine. They are a dime a dozen in the used/junkyard market. I have a row of the 5.9's in the garage and use them for my track day car. You wold only need to swap in an oil pan and timing cover to make it appear as an LA motor. They have a roller cam and are damn near indestructible. Either way you go, I would stay with the small block.
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Nacho-RT74
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« Reply #19 on: August 05, 2019, 01:38:50 AM »

Do a basic rebuild on what you have.  I'd upgrade to a small 4bbl and intake, it won't break the 904.  You could also slam in a stock 340 cam if the 318 one is tired.

That’s what stock 71/72 Chargers ( and 70 Coronets ) got from assembly line in Venezuela but 727s. Plus “high compression” pistons. Engines came from México assemblied like that used on their 69/70 GTS Darts. Claimed to get 270 HP from it
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Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html
ACUDANUT
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« Reply #20 on: August 05, 2019, 03:25:20 PM »

Going to a big block you will want to change torsion bars and bigger brakes on the car also

Think if I was happy with 318 would look around and find a 360 to drop in its place
Less down time then waiting for a rebuild of what is in the car now
A little more zip and everything still fits

 Yes and no.  Any old 50 year car should upgrade to front Disc Brakes.  Your 318 Torsion bars will be fine with a added big block. If you have an 8 3/4 rear end, your all set.
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Polygon
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« Reply #21 on: September 30, 2019, 06:42:36 AM »

Depends how much you drive it. Years ago, I had a 73 Challenger. I would get 21 mpg on my trips from FL to NY. My current Charger has a 408 Small block, 8mpg a rarely driven car,.

AND, the timing chain went at 130,000 in the 318 Challenger, bent valves. . So....replace that for sure.
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