Ideally you want the carloaded as it will be when it is driven (e.g. So, if we pull a tight string across the outside of each front tire sidewall and extend the string to the front ten feet, we can take the measurements necessary to see how much Ackermann we have. Double check the measurement on the rear wheels again and fine tune. Details. Start off by making sure the bars are square front to rear and are perpendicular to the side line of the car. Vintage Racing 1964 Porsche 356C Coupe Race Car. how to do an alignment at home with string – YouTube. Adjust the string so it is parallel to the rear wheels To keep from having to string the car every time you want to check caster, you can mark the steering shaft to find your wheel angles. If you peruse the regulations for many classes of competition, they’ll allow some fudge factor in wheelbase. The traditional 'ruler and string' approach is a good way to rough in an alignment so you can drive a car to a proper alignment shop after replacing front end components. Just ensuring that all your settings are the same side to side is a big help making the car feel more predictable in corners and increasing stability in straight lines. Or, enter a street car … Do this on both rear wheels and make sure the measurement is the same. The following equipment can be bought on a budget and is very easy to transport between race events and is simple to set up and use. In a NASCAR® oval race, the race cars only make left turns. VAT: £419.88 . The string and line kit is assembled as per the instructions with the kit and can be mounted to the slam panel under the bonnet and in the boot at the rear. ]�b���. Find all the details inside Circle Track Magazine. You want the string as close to the car as possible without touching the tires. To do this, measure from the end of each pole down to the floor shown by the arrow below. endstream endobj 141 0 obj <>stream If the back of the wheel has a larger measurement than the front then it is toeing out; and a larger measurement at the front of the rim means it is toeing in. Having four plates with one under each wheel for the alignment process is the optimum set up but interchanging two will still work. We contacted the suspension gurus at Hotchkis Performance to get the skinny on alignment and what the best settings are for a stock, street performance, and road-race car. The final toe set up will be in millimetres using the string and line kit. That being said, there is a piece of paper that directs you to a website that has videos and paper instructions. They are also useful for adjusting the toe as they allow the tyre to turn with no resistance giving a more accurate toe adjustment. The entire below set up can be bought for around £750 which will pay for itself since a good motorsport alignment can cost £300+. Proper wheel alignment is crucial to responsive steering and to getting the longest life out of your tires. In my case it was 15" or 381mm. The laser system can also be used for rear end alignment, right side tire alignment and bump steer. The fundamental categories of suspension geometry are: Ackermann Bump Steer Camber Camber Gain Caster Front View Swing Arm Fundamentals of Grip Instantaneous Centre King Pin Inclination Scrub Radius Toe Tyre Slip Angle There are more aspects to suspension geometry but the most influential are listed above and are the focus of this website. One of the difficulties is finding a proper absolutely level work area and doing precise measurements that depend on both the tires and wheels being in good condition. Want to learn how to align your own car? They are required for measuring the caster in the front wheels as they also indicate exactly how many degrees the wheel has been turned. PC010R Authentic Models Indianapolis Grand Prix Spindizzy Red Seat Race Car. On one end of the car, tie a loop in your string to easily hang it off of one end of the Smart Strings system. Measuring from the front lip of the wheel or tire, and the rear lip of the wheel or tire, measures toe in or out and other toe angles. However, these should only be purchased if the slightest alteration in set up is important such as in single make championships or if you are aligning your car frequently in the workshop. Experiment to see how short you can get the lever while maintaining control of the car. You should also roll and bounce the car a bit after changing camber or toe, just to make sure the car is settled before remeasuring. If your string is parallel to the frame, your front and rear sidewalls of … Driving on an oval track is unlike any other NASCAR® track (or on the road in your private car). Once your alignment is complete your car will feel much better and now that you have the equipment, you can fine tune your set up whilst at circuit based upon the feedback from the car and the track conditions. Learn how to analyze your handling problems, and how to fix them to get results. A car with zero toe has the wheels exactly parallel to each other. It became too troublesome to make a change to my car at home, then take it to the alignment shop in the morning, work all day then bust my ass to get back there before they closed and so on - too much stress. Jack stands (2) 2. 5 out of 5 stars (1) Total Ratings 1, $135.00 New. Notify me of follow-up comments by email. Now that the line kit is square with the car, a steel rule (or tape measure) can be used to measure from the front and back of a single wheel out to the string. For the effects of adjusting your camber, caster and toe; head over to the 3 links below which talk you through the vehicle behavior caused by each. The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. CSS traditionally had very limited alignment capabilities. How do you align a car string? Next, the height of the bar to the level ground needs to be the same at each end to make the horizontal bars parallel with the ground. h�bbd``b`�$� �q$"�A�f��Jk�8��v u �}H0>�@�+ Also check to make sure the front wheels are pointed straight ahead. Should first think like a drag Racing sanctioning body to proper race car builder Gene Leicht this attach the and... System square reference to squaring a race car spend a minute getting on the other corners of the and. 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