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Old 01-05-2011, 12:29 PM
djcwardog djcwardog is offline
Dodge Ram Forum Junior Member
 
Join Date: Aug 2010
Location: Cincinnati, OH
Posts: 42
Gender: Male
Vehicle: 2010 Dodge Ram 1500
Trim Level: ST Long Bed, Reg Cab
Color: Silver
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Default Systems Approach

An intriguing project - especially if you can find the performance parts used and keep costs down.

Your truck is a 1994 so it is likely OBD-1 (simpler systems than when they went to OBD-II in 1996). You basically need fuel, air and spark for the motor to run. Never mind any motor-related "codes" that may get thrown if you somehow are able to retain the stock computer as you will be removing the light bulb in the cluster behind the Check Engine Light anyway...

Fuel - modify existing lines and pumps to get fuel up to the front and into your 4bbl carb (see Factory Service Manual to learn the details of your stock system).

Air - simple - 4bbl carb accepts old-school open element air filter, problem solved there.

Spark - more fun: you need to adapt a distributor to work on the Magnum motor and get it wired in and timed right, bypassing the computer.

Other issues - your speedo, anti-lock brakes, etc... all probably rely on your computer so you will need to be creative in retaining what systems you need to run as you go old-school on the motor. Systems analysis will show you what you either need to live without or adapt to work.

This may be heretical to write, but the GM/Chevy crowd is all over adapting their modern LS series of V-8's into older platforms using carbs and distributors while integrating them into the computer systems of their cars otherwise. Lots to learn there - and it is not necessarily a "deperformance" mod to do it. I have not seen the latest MOPAR performance parts catalog but they may by now also be offering items of intrest to you in this project.
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Sincerely, djcwardog
'10 1500 ST Reg Cab Long Bed Hemi 3.55 trac-loc
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