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Roseville Rod & Custom's New 1949-1951 Mercury Chassis - A Chassis For The New Millennium

The Latest From Roseville Rod & Custom
By Eric Geisert
Roseville Rod Custom 1949 1951 Mercury Chassis New Chassis
Roseville Rod Custom 1949 1951 Mercury Chassis Race Based Spindle
This race-based spindle is... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Race Based Spindle
This race-based spindle is unique in that its bearings, which are roughly four times the size of standard hot rod spindle bearings, are fitted inside the spindle rather than exposed. Roseville will machine their own brackets to fit the Wilwood calipers for the 13-inch rotors.
Roseville Rod Custom 1949 1951 Mercury Chassis Power Steering
Woodward Precision Power Steering... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Power Steering
Woodward Precision Power Steering racks are another race-based item and can be built to any custom length, which makes them perfect for the custom chassis Roseville fabricates. The curved front crossmember is not only stylish, but beefy enough to get the job done.
Roseville Rod Custom 1949 1951 Mercury Chassis Access Panel
The chassis itself is innovative,... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Access Panel
The chassis itself is innovative, but there are a fair amount of trick little parts and pieces that are used on it as well. One of those items is the 12 access panels found throughout the frame. The flush-mount panels come in three sizes (the largest you can fit your entire hand into) and allow easy access to the interior of the frame for running wiring, hoses, or whatnot. In case you need some for your frame, Roseville also sells these plates individually.
Roseville Rod Custom 1949 1951 Mercury Chassis A Arm
Yes, it's a nice looking A-arm... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis A Arm
Yes, it's a nice looking A-arm design, but functional, too, as Roseville's Ben Sr. used a CAD program to develop and design how the suspension will travel in any given circumstance. Then Roseville R&C's Dave Stoltz came in to mill those pieces and do the frame fabrication. The machined lower control arms connect to a QA1 shock-something Roseville uses on nearly all of its chassis builds.
Roseville Rod Custom 1949 1951 Mercury Chassis Crossmember
Some more of Roseville's stylish... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Crossmember
Some more of Roseville's stylish front crossmember is shown here, along with how the torsion bars fit into its bearing and bolted in at the base of the crossmember.
Roseville Rod Custom 1949 1951 Mercury Chassis Torsion Bar
You can see where one of the... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Torsion Bar
You can see where one of the two front torsion bars fit into the center section of the framerail. In there is a bell crank that moves a cam lobe that the torsion bar rides on, which raises and lowers the car as much as any air bag system can.
Roseville Rod Custom 1949 1951 Mercury Chassis Frame Holes
The lightening holes along... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Frame Holes
The lightening holes along the framerails looks cool, but the holes were sleeved, which makes the chassis that much stronger. Just under the large, flat, horizontal plate (forward of the rear wheel) is where the frontend's electric ram system is located.
Roseville Rod Custom 1949 1951 Mercury Chassis Four Bar Set Up
The billet aluminum rear four-bar... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Four Bar Set Up
The billet aluminum rear four-bar set-up was machined at the shop, and features spherical Heim joints to maximize its movement. The forward mount for the lower arm is actually inside the framerail.
Roseville Rod Custom 1949 1951 Mercury Chassis Twin Torsion Bar
Since the body is not on the... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Twin Torsion Bar
Since the body is not on the chassis, you can only view a portion of the rear suspension design, as the actuating rams will be located in the trunk of the car. But you can still see the twin torsion bars that are mounted transverse just behind the rearend. (You can also see another access panel in the crossmember, just above the pumpkin.)
Roseville Rod Custom 1949 1951 Mercury Chassis Watt Linkage
A Watts linkage was also machined... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Watt Linkage
A Watts linkage was also machined at the shop, made up to look like the four-bar system, only slightly smaller in size. The arms use urethane bushings.
Roseville Rod Custom 1949 1951 Mercury Chassis Rearend
How's that for a kick? Since... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Rearend
How's that for a kick? Since each chassis they build is custom made, Roseville can design any amount of kick they want into the design. This one is roughly 8 inches over stock. (The Strange aluminum gear set looks good, too.)
Roseville Rod Custom 1949 1951 Mercury Chassis Machined Aluminum
The torsion bars, mounted... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Machined Aluminum
The torsion bars, mounted inside the framerail (lower left), connect to the rearend with another machined aluminum arm and another Heim end.
Roseville Rod Custom 1949 1951 Mercury Chassis Chassis Rear
In the background you can... 
   
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Roseville Rod Custom 1949 1951 Mercury Chassis Chassis Rear
In the background you can see the '39 convertible being built that will debut at the Grand National Roadster Show. Roseville added a blower to the 4.6-liter Ford DOHC motor to the 'vert, and it looks great.

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