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Engine And Transmission - Scratch Built Cars - Motor Installation 101

Posted in How To on November 23, 2006 Comment (0)
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Installing an engine and transmission in a scratch-built vehicle is, in some cases, not as complicated as it may seem. As long as you have the parts and tools required - welder, level, tape measure, straightedge, basic mechanic's tools, and some patience - the installation can be completed by an enthusiast with moderate mechanical skills.

In basic terms, it's just a matter of bolting the engine to the transmission and then hoisting them into the engine compartment. Unless you can lift 1,000 pounds, this step is obviously best achieved with an engine hoist. Once the engine and transmission are placed in the vehicle, positioning and measurements for the engine and transmission mounts, radiator, and other vital components can then be measured. The key point that cannot be stressed enough is to remember that when locating the engine and transmission it is critical to always keep in mind the fitment of all the other components. In fact, it is best to know the exact measurements of all components. It is a very good idea to create a thorough list of all the parts that help make the engine run and then double- and triple-check that list.

The '99 Dodge 5.9L Magnum engine ready for fitment.

Other factors to consider are exhaust system routing, the steering system (including the gearbox, tie rods, and pitman arm), driveline routing, and centering the output from the transfer case to the front and rear axles. This is only a start. Then there are cooling system components, electrical components and wiring, and air cleaner location for proper hood clearance. Your installation list should be long and distinguished.

If the transfer case is located on the driver side, then the motor and transmission need to be located 1 inch off center to the passenger side for proper front driveline clearance. If the transfer case is located on the passenger side, then the motor and transmission need to be located 1 inch off center to the driver side for the driveline clearance.

After everything is measured and fitted in the proper locations, all that is left is welding the mounts to the frame.

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Sources

Advance Adapters
Paso Robles, CA 93446
800-350-2223
www.advanceadapters.com
Quadratec
West Chester, PA 19380
800-745-2348
www.quadratec.com
Extreme Gear Off Road
Rancho Cordova, CA 95742
877-258-5832
www.extremegearoffroad.com
J&W Auto Wreckers
www.jwjeep.com
Crown Quality Replacement Parts
www.crownautomotive.net

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