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Front Subframe Measurements - Car Craft’s ’71 Dodge Demon

How to measure for a new front subframe

By , Photography by , Grant Peterson,

Street or Strip?
There are many choices to make when you open a Chassisworks catalog, so what to pick? If you are going to drive the car on the street 90 percent of the time and drag race 10 percent of the time, order the 2x3 boxed frame with 0.120 wall thickness. It automatically comes with the stronger Mustang II rack-and-pinion steering and forged spindle. If you are like us and plan to trailer the car for race days, then cruise to the drive-in once a month, get the 2x3 with the 0.083 wall thickness and the lighter Pinto rack-and-pinion and fabricated spindles. In our case, we also chose the 2x3 over the 15⁄8-inch round tube front frame because the 2x3 is easier for the home builder to work with, and the Demon already has a 2x3 frame in the rear of the car. Since the front of the frame is only going to sit 6 inches off the ground, we also avoided the drop spindles. Finally, if you are not comfortable with suspension geometry to the point where you can accurately weld your own fixtures, buy the prewelded kit instead.

SOURCES
Summit Racing Equipment
PO Box 909
Akron
OH  44398
800-230-3030
330-630-0240
www.summitracing.com
Speedway Motors
340 Victory Lane
Lincoln
ME  68528
800-979-0122
http://www.speedwaymotors.com
Miller Electric
1635 W. Spencer Street
Appleton
WI  54912
920-734-9821
http://www.millerwelds.com
Chris Alston's Chassisworks
8661 Younger Creek Drive
Sacramento
CA  95828
916-388-0288
http://www.cachassisworks.com
Lincoln Electric
22801 St. Clair Ave
Cleveland
OH  44117
216-481-8100
http://www.lincolnelectric.com
eBay Motors
http://hub.motors.ebay.com/
Glasstek
Naperville
IL
630-978-9897
www.glasstek.com
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