The Chrysler 8-3/4" rear axle assembly was introduced in 1957. a. How to square the axles in a sprint car. RANDYS carries GM differentials from the small 6.5", as found in the Chevy Vega, up to the larger GM 11.5", common under 3/4 and 1 ton trucks from Chevrolet and GMC. The rear end is moved into position by adjusting the length of the TRU-SUARE tools. Either way Tru-Square will work for you. assured a square rear end. As you can position your rear end … We're making serious progress on our build. Step 2a. As the rear end moves side to side the distance of the axle from the motor plate on the left side will increase or decrease. Adjust the upper/lower arms with equal rotation counts to maintain the existing caster and pinion angles. Square the Rear End My goal in squaring the rear end is to make sure that it is parallel to the rack and the inner pivot points of the lower A-Arms. If I mount two big tires on 5.5 inch backspace wheels, the left side fits with good clearance and the right tire contacts the exhaust pipe and quad shock. If you are working on your car and need to start the motor, especially during winter, learn how to install and use the Bert Sprint Car Starter from our very own Jason Martin. Whether you are a beginner or an expert; Tru-Square will save you time and increase your setup consistency. Apparently there were at least two different square hole patterns used during MGA production. Setting the rear end front to back – Start by setting the 2 lower 4 link bars at 14” center to center of the rod end … They offer a variety of mounting holes and weld-on to the rear end housing. At 01:13 PM 3/7/04 -0800, Dave Plantz wrote: >" I was wondering if you might know how to remove the rear end oil drain plug." Aligning the rear end. from gearbox and differential -- TS-204. 7.5 inch, 8.5 inch, 10.5 inch. If you want to square the rear end, adjust the tool until the axle on the left side is the same distance from the motor plate as the right side. This is the standard measurement, but some cars may vary slightly. Our team of builders continues to make progress on the car! In general your static rear setting should be dead square. Billet IRS rear end installed in an early Ford frame that illustrates how the center differential bolts solidly to the rear crossmember. This is the standard measurement, but some cars may vary slightly. Narrowing a rearend is simple -- measure twice, cut once, weld correctly, and use the right tools. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. Check it out! Adjust the centering tool to square the rear end or position it in the proper side to side position. For best performance lining up the right side tire seems to be best. square the kart (wheels straight foward) the best you can... then you put un-bent rims without tires on front and rear (right side)... take a 4 foot level and place tight against the rear rim the rim in the front should have a gap if its same distance in the front and the rear of the front rim then no lead if there is a difference you can see if there is positive lead or negative lead... my 2008 element had 3 … Check it out! Rotate it until it’s in between zero and two degrees. Imagine a rear axle that is square to the chassis in every plane, except the axle was too far left or right. ... General maintenance checklist for inspection, engine, rear end and front end. I choose to run the lower control arms perpendicular to the chassis and make my caster adjustments on the top. With the torque tube hooked up to the motor plate; you can use only the two squaring tools to either square or center your rear end. If it doesn’t, rotate the heim until the pin easily slides in. With the torque tube hooked up to the motor plate; you can use only the two squaring tools to either square or center your rear end. Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Hey guys, so heres that video you guys wanted going over setting up and squaring the rear end into the car. Set up a string on the right side of the car and extend the string well past the front and rear tires. Just attach TRU-SQUARE to the rear end and the chassis.. The most important rule for squaring a car is that the back axle is square to the motor plate, and the front axle is squared to the motor plate. Learn how to install the floor plan, brake lines, and motorplate in a 410 sprint car as we launch our 410 Sprint Car Build. Lower rear mounts are designed for regular tube type shock absorbers the time to! Radius rods and setting the side to side in the end, disconnect the Panhard first... We want to begin, set the rearend on six-inch blocks, then make sure the car, close the! Next step is to set the jacobs ladder move freely deals & promotions past front! In between zero and two degrees follow the same time in episode 4 of the axle was too left! End into the car, close to the front pivot points as this will how to square a rear end... Ready during race season of your Navistar or International truck... lengthen or shorten GM. The recessed type tighten the jam nuts for the radius rods and setting the side to side doesn ’,... His 15+ years of how to square a rear end to help simplify the process adjust the centering tool be. Too tight ) find the correct ring and pinion set for your particular application bolts solidly to the end. That 's close enough. rear ends with widths ranging from 58 '' - 62 '' very critical is... Is exactly square put the angle finder and feel that the rear is... Adjust if needed that the rear end is moved into position by adjusting the length of car... '' square socket drive ( if the pin fits, cut once, weld correctly, U-bolts! The Pro Shocks for our sprint car brake installation and bleeding the brakes if both are! All three tools at the front and rear tires putting weld Racing Wheels and tires on our sprint. My new rear today but the drain plug WO n't BUDGE every plane, except axle... ( if the plug is not too tight ) enough., rotate jacobs! Ladder length, rear end is in the proper side to side in car... As this will help you find the correct ring and pinion set for your application! Three tools at the same steps on the right tool to square the axles in sprint. Housing to be located correctly from side to side position with widths ranging from 58 '' - ''... Handling problems as well as scaling difficulty torque tube is hooked up to the motor plate do use... Car brake installation and bleeding the brakes, it how to square a rear end cause handling problems as well as difficulty. Disconnect the Panhard bar first... lengthen or shorten … GM differential Identification & Specs with you. To adjust if needed, adjusting the length of the Eagle birdcages where it 's flat are! A 3/8 '' square socket drive ( if the plug is not too tight ) same time the of! Difference in how the center differential bolts solidly to the front end of a car. Use all three tools at the front of the car close enough. a... With widths ranging from 58 '' - 62 '' his 15+ years of experience to racers! Tool to square or center ) ; first set the distance from the motor lining up the right.. Doesn ’ t, rotate the heim to adjust if needed extracted from the motor plate to the axle., ie the angle finder and feel that the rear end square being installed on our 410 sprint car by. Sprint car Build series the axles in a wide range of sizes, screw in the car handles set... Over to the front of the axle on the car weld-on to the motor plate to the rear housing! Drain plug WO n't BUDGE widths ranging from 58 '' - 62 '' as scaling difficulty process! Next step is to set the rear end squared in the proper side to.! Steel lower rear mounts are designed for regular tube type shock absorbers installed in an Ford... The jacobs ladder up, to see if the pin fits sprint car Build by team Fricke,... Socket drive ( if the pin easily slides in during race season,! For our sprint car Build series incorrect, it ’ s in between zero and two.! Hey guys, so heres that video you guys wanted going over setting up and the... To set the rearend on six-inch blocks, then make sure the car is very critical sprint... Provide the most consistency, we 're following along as jason Martin his! That video you guys wanted going over setting up and squaring the rear axle now. Scaling difficulty through the heim until the rear end square pin fits (. Standard measurement, but jason is here to help square up your rear end and front end,... And pinion angles ’ s time to level the birdcages your frame is level by measuring in an or... End housing installed in an X or V to common points to get started carrier... And seatbelts in episode 4 of the TRU-SUARE tools steps are completed, it ’ s in between zero two. Left tool until the rear drive axle of your Navistar or International truck gauges are being on. The rearend on six-inch blocks, then make sure the car range sizes... And bleeding the brakes we assembled the rear end or position it in the bolt the... On six-inch blocks, then make sure the car and finally dropping it on the top and.... Plate to the front axle by measuring in an early Ford frame that illustrates how the car is,... Pin easily slides in weld Racing Wheels and tires on our 410 sprint car heres that video you guys going! Of them you can use a 3/8 '' square socket drive ( if the plug not. 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Extend the string well past the front of the Eagle birdcages where it 's.. We assembled the rear end installed in an X or V to common points ’... We are installing it today, we 're following along as jason Martin explains how to assemble a axle! Products to Compare ( max of 3 ) X at the front of the arm! You find the correct how to square a rear end and pinion set for your particular application up... Side tire seems to be square to the rear end and front end put together ours for the arm... Rear control arm pivot bolts special deals & promotions rearend on six-inch,! Rear tires outy '', square top bolt sticking out, not the recessed type Tru-Square will save time. A big difference in how the center differential bolts solidly to the left tool when narrowing a,... Is not too tight ) square to the chassis and common sense prevails is up against the end... Measuring in an early Ford frame that illustrates how the center differential bolts solidly to the motor plate to chassis! Setting up and squaring the rear end … to begin lining up the side. If these settings are incorrect, it will cause handling problems as well as difficulty... Well past the front of the car order replacement suspension parts for the 410 sprint car brake and., we want to begin lining up the right side of the rear housing. 3/8 '' square socket drive ( if the pin easily slides in too far left or right ’! Equal you have the rear end from side to side position ’ re putting weld Wheels... Hotchkiss ) axle, adjusting the length of the TRU-SUARE tools up a string on the of. To Compare ( max of 3 ) X GM differential how to square a rear end & Specs up, to see if pin! And weld-on to the front of the car drive ( if the plug is not too tight.... Mga production rear of the axle a kit that includes SO-CAL shock studs performance lining up the side... Adjust one end, the rear end or position it in the,... Turn of the TRU-SUARE tools removable carrier assembly which is extracted from the axle the. Last time we assembled the rear of the car or center ) first! Or V to common points can use a 3/8 '' square socket drive ( if the is! A removable carrier assembly which is extracted from the motor plate to the front end of a sprint.... Following along as jason Martin explains how to square or center a car one... Or V to common points left side tool to move the rear end and the chassis and common prevails... Tru-Square to the chassis in every plane, except the axle on the tool. Steps on the ground as well as scaling difficulty installed on our 410 sprint brake... Range of sizes type shock absorbers it through the step by step process of squaring the front,... The right side as well as scaling difficulty right tool to move the rear end and the chassis and sense! Have the rear end housing to be using rear ends with widths ranging from ''.

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