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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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  #1  
Old 07-28-2012, 05:29 AM
mmclaughlin mmclaughlin is offline
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Default 318 to 383 motor swap have some questions

i have a feeling that my motors going out and found somebody with a MOPAR 383 i'm sixteen but have a bit of mechanical expierience how hard is it? will i need new motor mounts? new computer? and i was also planing in changing the 5 speed to a 4 speed is that simple to just take out and put back in? need a few answeres before i pull trough with this.
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Old 07-28-2012, 02:37 PM
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itll be a lot of work since the 318 in your truck is a small block and the 383 is a big block, so youll have to find some adaptor motor mounts or fab some up. as far as going with a 4 speed, thatll be a lot of work as well since your truck has a hydraulic clutch and the old school 4 speeds are manual, meaning unless you convert the old one to hydraulic, your clutch pedal wont work
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Old 07-28-2012, 05:43 PM
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Going to a big block may also mean you'll need heavier front springs.
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Old 07-28-2012, 09:04 PM
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Schumacher probably would have mount to do the small to big block changes.
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Old 07-29-2012, 01:14 AM
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im pretty sure Schumacher makes the conversion motor mounts (couldnt think of the company)

as far as the wieght differnce, i dont think big blocks weights too much more then a small block, but if it is that much of a differnce he can go to the parts store and buy 2500 springs for around $85
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Old 07-29-2012, 01:20 AM
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Keep looking. Waaaaayy too much trouble for you. Are you planning on upgrading the 383 to Multi-point fuel injection like your current Magnum? Those are just short of custom pieces for the 60's era 383. Major $$$. It's all do-able, but you're in deep just on the engine mods. You'd literally come out cheaper just spending that money on a stroker smallblock (can we say 402/406/408?). MUCH easier and possibly even cheaper than re-designing the truck to fit the big block and update that 383.
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Old 07-29-2012, 08:26 AM
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Quote:
Originally Posted by Gen1dak View Post
Keep looking. Waaaaayy too much trouble for you. Are you planning on upgrading the 383 to Multi-point fuel injection like your current Magnum? Those are just short of custom pieces for the 60's era 383. Major $$$. It's all do-able, but you're in deep just on the engine mods. You'd literally come out cheaper just spending that money on a stroker smallblock (can we say 402/406/408?). MUCH easier and possibly even cheaper than re-designing the truck to fit the big block and update that 383.
X2 on this one...
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