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Home > Chassis > Suspension

Suspension

Lnch4.jpg (17821 bytes)Suspension:  There are three primary ingredients to fast ET's:  adequate horsepower, a proper power transmission system (transmission, rear end) and a good suspension.  On this page, we'll deal with the suspension as currently (late in the 2000 race season) configured on SlowGT.  The suspension is discussed as outlined in the hyperlinks below:

EngBay2.jpg (26472 bytes)FrtAArm3.jpg (20781 bytes)FrtAArm2.jpg (18952 bytes)SuspAdj2.jpg (25837 bytes)Front Structure:  The K-member is made of tubular chrome-moly steel and is from Ground Pounder (purchased at Central Coast Mustang).  The A-arms are made of tubular steel and are also from Ground Pounder (also purchased at Central Coast Mustang).  Both of these units were chosen to maintain high strength with low weight to aid in weight transfer.  Going with the tubular A-arms requires that you install coil-over shocks as shown below.  The steering rack is a manual set up and the upper strut mount is an adjustable caster-camber plate, part number CC7989 made by Maximum Motorsports.  This unit was used because stock setup did not allow enough camber adjustment.  A nice bonus is that you can adjust the caster with this unit.

 

FrtSusp1.jpg (16315 bytes)FrtSusp2.jpg (19483 bytes)FrtSusp3.jpg (18777 bytes)COver1.jpg (16044 bytes)Front Suspension:  As stated above, the tubular A-arms require that you use coil-over struts.  The struts shown here are part number SPA-1 Koni adjustable drag struts.  They have been installed in "coil-over" mode with a coil-over conversion kit made by Ground Pounder (purchased at Central Coast Mustang).  This kit requires minor modification to the strut and provides a spring support location.  The coil spring itself is included in the coil-over conversion kit.  All bushings are the units provided with the kit.  Finally, the front suspension is run with no sway-bar.

 

AirBag1.jpg (15588 bytes)LCntr1.jpg (22398 bytes)LCntr3.jpg (22814 bytes)UCntr1.jpg (17368 bytes)RrShock1.jpg (16579 bytes)Rear Suspension:  The rear suspension incorporates stock rear springs with air bags in each side.  The air bags are no longer used and the factory sway-bar has been removed.  The lower-control arms are Mega-Bite Seniors made by HP Motorsport.  These appear to be well-made, high-quality units.  The adjustable upper control-arms are made by Steeda.  The selection of upper control-arm is fairly non-critical, as long as it's adjustable so that you can achieve a proper pinion angle.  The adjustable, three-position rear shocks are made by HAL.

 

Sway2.jpg (23055 bytes)Sway4.jpg (23659 bytes)SwayBar2.jpg (18498 bytes)Sway Bar:  Once SlowGT started "making day-light" under the front tires, the only thing that would make it launch straight was the addition of a race-type rear sway bar.  The unit shown here was manufactured "in-garage" at SlowGT and has been in the car since early 1999.  It is designed to be a complete bolt-in deal with no welding to the car (some welding to the rear end housing required).  The cross-tube is made of chrome-moly and it incorporates bronze bushings with grease fittings for quite operation.

 

Brake2.jpg (15149 bytes)RrBrk2.jpg (20603 bytes)Brakes:  The front and rear brakes are disc units made by Aerospace Components.  The setup incorporates 4-piston calipers and cross-drilled discs at each corner; 11" discs up front and 12" discs in the rear.  The brake system uses a manual master cylinder because the inconsistent vacuum quality that the engine now makes was resulting in some "white-knuckle" stopping events with the factory power setup.  The power-to-manual brake conversion a rather difficult and involved process.  We recommend that you not attempt it unless you need it.

 

RearWheel.jpg (16148 bytes)FrontWheel.jpg (14124 bytes)Wheels & Tires:  The Weld wheels are 15" x 10" x 6.5" out back and 15" x 3.5" x 1.75" up front.  The tires are Mickey Thompson ET Drag Slicks out back and Mickey Thompson 26" front runners out front.

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Last Updated: May 23, 2001