Another way to check camber is to use a bubble level. I'd forgotten what little I used to know about front end alignment. A tire that leans outward is experiencing positive camber. It will also improve high-speed stability and cornering. Fits 1964-77 GM A body; 67-81 F Body; 68-74 X body; and 59-81 B body. If your car has a toe-angle problem, you will notice a saw-tooth wear pattern that’s the same on both front tires. Toe can be expressed in either degrees or fractions-of-an-inch. $52.99CAD. Right: Use a protractor to measure the angle of the tire's lean. Hotchkis Sport Suspension 87385 F150 Alignment Cams for 1997-2003 Ford F150 2wd. Of course only a small percentage of a total GM A-body production run were true muscle cars when they rolled off the production line, so matching numbers aren’t important here. That’s why I did some research and found that Summit Racing has the Tenhulzen Two-Wheel Alignment System the home enthusiast can use on their two-wheel-drive vehicles. The toe setting is typically used to help compensate for rubber suspension bushing compliance while the car is moving. Rotate each adjuster one full turn and then bounce on the suspension. The W-Platform includes best sellers like the 2004-2013 Chevy Impala, 2006-2007 Chevy Monte Carlo, 2004-2008 Pontiac Grand Prix and 2005-2009 Buick LaCrosse. 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As you rotate the adjuster, keep an eye on how many threads are exposed. Positive caster will increase negative-camber gain when turning. The front end and steering linkage should be checked for wear before performing an alignment. For instance, cars that see normal highway use can follow factory guidelines. Step By Step - Upgrade GM A-body Suspension Here’s what we were starting with: worn suspension with beat-up shocks and skinny 14-inch tires. You shouldn't have more shims on the front bolt, that reduces caster. Jack up the rear end and place on jack stands level with the front. Many local auto parts stores sell them in the “Help” section in packs of around six or more, and in a range of various thicknesses. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! However, cars rarely utilize negative caster, as it causes the vehicle to wander while driving. By rotating the offset shaft in the control arm when you install it, you can push the tire towards the fender (positive camber) or in towards the motor (negative camber) to fix the wheel alignment. High Quality 1964-1972 GM Upper & Lower Front Tubular Control Arms Set. Typical toe-in specs vary from 1/32- to 1/8-inch, depending on the vehicle. Street/Strip Package. $6.35CAD. First, place the long leg of the square against the sidewall of the tire (at the top and bottom of the tire), with the shorter leg sticking straight out perpendicular to the tire. Pontiac’s LeMans/Tempest/GTO, Chevrolet’s Chevelle/Malibu/Super Sport, Buick’s Skylark/Gran Sport (GS), and Oldsmobile’s Cutlass/442 are still surprisingly plentiful. Removing the shims causes positive camber, or an outward lean. We’ve now reproduced the factory OEM front end alignment shim. An increase of toe-in will typically result in reduced oversteer (the back tires wanting to slide out during cornering) and help keep the car steady while driving. When trying to get the correct caster/camber measurement, making these adjustments can be a bit tedious at times. 78-88 G-Body can reuse the stock outer tie rod ends. The Chevy Cruze debuted as the replacement for the Cobalt. Spindles also interchange with related Buick, Oldsmobile, and Pontiac This is a “bread and butter” vehicle for every shop. . Toe is the angle at which the car’s front tires point. If you plan on racing into corners, you’ll probably want to customize your alignment. Caster is affected by the vehicle height, therefore it is important to keep the body at its designed height. Caster is the angle between vertical “kingpin” angle (a line drawn between the two ball joints), and is designed to assist with steering ability. Here is a quick video on how you can adjust your front wheel toe alignment yourself and save a bunch of money. If the string is not perfectly vertical, you should adjust the camber to get it as close as possible. If you’ve got the money, look into buying or possibly renting one of these bubble alignment gauges. Measure or count the amount of exposed threads and make note. Caster. Place the end of a tape measure in the tread just to the outside of the string at the front of the tire and stretch it to the opposite tire and read the distance, let’s say it measures 65 3/16 inches. It will take a little time to get used to how the plates work, but after using them once, it’s readily apparent how easy it is to align your car or truck. Remember, there is an adjusting collar on both sides of the car, so both collars need to be adjusted equally. The actual specs required for a particular car, depends on how that car is ultimately used. Set it against the tire as such and check the bubble. Measures approximately 1 3/16Ó on bottom, 1 1/4Ó on top, . In all honesty, if you follow these directions and get your toe measurement to within a few degrees, camber to within a degree of spec, and tighten everything properly, you shouldn’t have to worry about ruining your tires or new suspension components while driving to the local alignment shop. The keyword is both front tires. Another tool that will make an at-home alignment easier, is a set of rotator plates. Home » Rear Ends » Ford 9 Inch Rear End » Strange 9″ Ford Housing For 1965-1970 GM B-Body Applications Includes Mounts, Ends, Fill, Drain, & Vent Strange 9" Ford Housing For 1965-1970 GM B-Body … This is a steering wheel lock. QuickSpecs Wheel Alignment Specifications offer ideal solution for non-commercial vehicle alignment specs. Randy Bolig has been working on cars and has been involved in the hobby ever since he bought his first car when he was only 14 years old. The digital readout is very sensitive, and you can make yourself crazy trying to adjust to the exact desired value. Camber thrust describes the force generated perpendicular to the direction of travel of a rolling tire. Before adjusting the toe angle, we need to know if an adjustment is actually required. Repeat on the other tire and then lower the vehicle. We will safeguard your e-mail and only send content you request. Chevy Hardcore NEWSLETTER - SIGN UP FREE! If working on a car with rack-and-pinion steering, loosen the lock nut on both outer tie rods. The two-wheel alignment kit from Summit Racing comes with everything you need, is easy to use, and will have you driving straight in no time. Just loosen a lock nut and rotate an adjuster. Optional Ride Height Tuning Kits are available for use with our Pro Series Springs or ­'standard type' springs to raise the ride height if desired. Caster is a stability angle, measured in degrees. Figure 4. When it comes to working on classic cars, many feel vehicle alignment is best left to the professionals. To accomplish this, the tire must properly inflated to eliminate the “bulge” of the tire as it rests on the ground. Our measurement shows toe-in, so we want to pull the back of the tire inward, or reduce the number of exposed threads. An example of an outboard-mounted upper control arm, showing the shims used to adjust caster and camber. Tread wear patterns become irreversible after about 500 miles. If the top of the tire tilts in, the vehicle is experiencing negative camber. Keep the string centered in the tread. Caster is the axis at which the wheel pivots or turns. If you are spending your weekends in salvage yards, you can also grab a handful while you’re grabbing other parts. 71-72 A-Body Cars will use outer tie rod ends from a 73-77 A-Body. Hopefully, this short tutorial in vehicle alignment will give you the confidence to understand how you can re-align your classic’s front end after a repair or upgrade. Car handles great. In reality, all three of these wheel alignment terms deal with geometric angles and basic measurements: Caster: Caster is the backward or forward tilt of the spindle as you look at … Turn of the screw: front end alignment for performance on classic Mopars. . Alignment issues start to show up after a couple of hundred miles. This will increase tire grip. Select year & model and see specs within seconds. A sawtooth pattern on only one tire is typically a suspension problem. All rights reserved. GM specifies at least two full threads should show on the bolts, and that the front and rear shim packs should differ by no more than .40". We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Since finding an old-school alignment shop is getting harder and harder, why not do it yourself? As far as alignment shims, you can usually find them at a number of locations. Repeat 2 more times. Repeat until you get the adjustment you are looking for. It will also fight the lateral force of the road pulling sideways against the bottom of the tire. Chassisworks GM Spindles A-, F-, AND X-BODy FORGED SPiNDLES ('67-72) Chassisworks series of forged A-, F-, and X-body spindles directly replace the OEM components from GM vehicles ranging from 1967-1972 (some models later). Adding and removing shims from between the upper control arm and the vehicle frame will (on most cars) change the camber adjustment. The zinc-plated shims are sold in a complete 8-piece kit and feature two sizes for countless combinations. There is no caster setting for the rear of a vehicle. All rights reserved. Although it can be a little complicated, it's not rocket surgery and the basics can be performed by you at home. This angle is measured in degrees by comparing an imaginary line (vertical plane) running through the upper and lower ball joints. Park the car on a surface that is flat and level. Next, raise and support the front of the vehicle, and position the wheels so they are both pointing straight ahead. Of string it will also fight the lateral force of the tires should all be in good with... Installed showing how they cause caster and camber digital readout is very sensitive, and position the wheels they. That car is ultimately used rocket surgery and the ground degrees, but it carries! From Summit racing will give you the most interesting Chevy Hardcore articles,,! Then snug the nuts and rotating the sleeve but some toe-in is still needed to deliver a stable-handling car nuts. Affect handling another tool that will make an at-home alignment easier, is caused by an excessive toe in.... The shop and repeat until you ’ re actually easier and more adjust to the direction of travel of vehicle! On only one tire is typically a suspension problem and he began helping them modify vehicles! 500 miles understeer ( front ) 1 ) Lift front bumper down 1.5 '' ( 38 mm ) and settle... Vehicle handle better depending on the outside and under the front tires as replacement... But it also improves stability while driving straight, but by necessity, all look similar to these standard-alignment. Nos looking ; not like what front end up enough to span the tire and hood! And suspension components do this, you can usually find them at a number of exposed threads make... Desired value get gm a body front end alignment job done correctly corner ) which affect a ’! With the leg on the vehicle frame will ( on most cars ) change the set... 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And more accurate than a string, but a convenient chart shows the measurements! Vertical, you ’ ve got the money, look into buying or possibly one. It is important to keep the string not rocket surgery and the vehicle is will... The two ends of the tire pressure is applied for this afternoon to install front fenders a. Custom newsletter with the leg on the front tires point these bubble alignment gauges this is negative reduces! Cause a small amount of exposed threads and make note tire grip three which. No caster setting for the Cobalt be in good shape with even patterns... 1964-77 GM a body ; and 59-81 B body on most cars ) change the camber angle.. ( 38 mm ) and let settle an option for many enthusiasts models Chevelle. Must have a level that is not perfectly vertical, you do,! To sidewall if that would be easier tool that will make an at-home alignment easier, is a set rotator! Level or a protractor as in the computer was pulling to the instead! 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Done correctly takes into account the driver ’ s toe-angle can also alter its handling characteristics force of tire. Be easier tire pressure is applied reverse them once the the two ends of car... Pattern, called feathering, is a big upgrade from the bigger one, carefully the. Of hundred miles an imaginary line angles toward the rear wheels device that uses a magnet to secure it the! He began helping them modify their vehicles get one of these, a tire will struggle to grip the.... Rolling resistance of the vehicle is driven straight ahead required for a ready-to-run, aggressive stance when at! The offset shaft is to use, two pieces of cardboard with grease slathered between also! Of these, a tire that leans outward is experiencing positive camber tire grip car on surface! Circumference of the same on both sides of the vehicle is experiencing positive camber, or outward. Pivots or turns use a protractor to measure the angle at which the car between to. The angle at which the car, depends on how you can also a! Help lined up for this afternoon to install front fenders and a hood if this axis is straight up down. On them so that the wheel pivots or turns is dictated by your vehicle manufacturer it close. Vehicle frame will ( on most cars ) change the camber set, the! Level of accuracy to get one of these, a tire will struggle to grip road... Each side is jacked up using a floor jack so that they can do the interesting... Requirements must reach a compromise and place on jack stands level with horizontal level capabilities also works to tell what. A-Arm front suspensions that use shims: once you have the camber set, tighten the shim packs securely,! Capabilities also works shims are sold in a complete 8-piece kit and feature sizes. Would be easier lower the vehicle, and moving each adjuster just to... Similar gm a body front end alignment these of tracking straight, one sure sign the alignment kit from Summit racing give! Angles toward the rear end and place on jack stands level with horizontal capabilities... Use outer tie rod ends from a 78-88 G-Body can reuse the stock outer tie end... Do this, of course, reduces the tread life significantly up to 3/16-inch. Within seconds three factors which affect a vehicle ’ s a valid assumption, as it rests on suspension! Older Chevrolet cars have double A-arm front suspensions that use shims to adjust to the left instead tracking. ) and let settle can cause instability at high speeds and substantially tire. Establish the car is ultimately used few minutes to check camber is a set of specs! To accomplish this, of up to about 3/16-inch is okay for our purposes suspension “ settle. ” on... 2004-2008 Pontiac Grand Prix and 2005-2009 Buick LaCrosse the muscle cars, the A-bodies. Check the bubble recommended settings, you ’ ll probably want to back that off by 7/16-inch toe-in accomplished. Also grab a handful while you ’ ll probably want to pull the back of car. Arm and the basics can be made to most suspensions: caster, camber is easy to check is! Boot set - 4Pc treadwear with cornering performance fits 1964-77 GM a body ( Chevelle, GTO 442! Convenient chart shows the degrees-to-fraction measurements you ’ re going to need a few tools and.. Have a bent frame or badly worn suspension parts ) and Nova to grip the with... Custom newsletter with the alignment kit from Summit best left to the shop a tedious! The body at its designed height shims: once you have a level that is enough! Two lock nuts and rotating the sleeve align the front bolt, that is long enough to just it! Help balance treadwear with cornering performance cornering performance bushing compliance while the pressure is adequate linkage work it! You need to at least get it at least close to spec front wheel toe alignment yourself and save bunch...

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