Jan 2021 jan 16th 8 to 5 jan 17th 8 till 1 Crate Late Model Chassis School presented by CVR Chassis. They aren’t usually as good at spotting little modifications to every single part of the suspension. It is the purchaser’s responsibility to order the correct products through their personal racing experience. If you need more forward bight and need the car tighter then go with a 1022 on the Right Front.” Baker went on to explain where we should start our basic chassis setup for the front suspension, “For the ’79 non metric Camaro chassis the right front settings normally used are 3.5 degrees negative camber and 3-4 degrees of positive caster. I have no idea what works with a metric chassis … We also update the steering wheel, shift knob/adapter, and wheels and tires. When this book was originally published in 2001 it was specifically for GM Metric chassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. March 3, 2016 Tommy Parry Asphalt Oval Racing, Circle Track Racing, Guest Columns, How-To and Tech Tips, Tech Tips 0 Wheel-to-wheel racing at 200 mph requires the perfect setup, for the smallest slide could be catastrophic. DCA RaceFab : - Chassis Exhaust Misc Linkage / Spacers Rear End Suspension Transmission Engine / Fuel Cooling Steering Brakes Shop Solutions racing, sportsman, hobby stock, street stock, chassis, control arm, bushing, spherical, spherical bushing, delrin I was just trying to help a guy asking about what is done to the chassis. Jan 23rd 8 to 5 jan 24th 8 till 1 2021 High Roller Metric Chassis School. Tires: If the issue is consistent, the next option is the tires: check the wear and PSI. Today we are installing original style pump, pulleys, brackets, and hoses! 2) Are you permitted to use screw in ball joints? Lower spring cups must be centered on housing. Control arms may be reinforced, but cannot be shortened or lengthened, must remain OEM length. Improved geometry drag link relocates the inner tie rod end to shorten both tie rod assemblies, which improves steering geometry by reducing the excessive toe out that is common to GM Metric chassis during normal suspension travel (bump steer). We had LF 1000, RF1300, LR 200, RR200. Trackside chassis helper. Post by jworacing onJul 7, 2005 at 4:04pm. In this case, set the preload with the car on the scales More has to be done to help … All cars and drivers are not alike, but in general these are commonly applied pratices we have used over the years. Adjusting toe on a car might seem like a tricky procedure, but our toe adjustment guide can help. any help is greatly appreciated By I am trying to correct bump steer on a 88 monte carlo, we have to use oem parts Reply #3 - 02/26/12 at 9:44pm. Our new 383 engine gets installed in the '32 Roadster. The result is similar to having a softer RF spring through the timing of chassis roll. We also provide Racing parts, shocks, and service. wo possible options: decrease the front, or increase the rear pressures. I ran a street stock/sportsman from 1995 to 2000 with a metric frame. On the metric chassis the roll centers, from what I understand are mainly influenced by ride height, because we can’t change control arms ect. Adjustable spring buckets are allowed. The result is similar to having a softer RF spring through the timing of chassis roll. the best chassis setup possible for the given conditions. Bushings cannot be drilled. It's when the track is dry/slick that they present the same sort of binding problems that are present in the asphalt metrics. Sign up for a new account in our community. I was trying to figure out if I should use a unibody car (Camaro/Firebird/Nova) or a "metric" full frame … This helps in both acceleration and braking. As a general rule, most asphalt stock cars run around 3.5 to 4.0 front roll center height, although many run lower roll centers than they would like simply because the stock location is very low and they're not allowed to change it. As for stock arms they worked just fine ,and didn't cost anything. Adjust your setup by following the simple color-coded icons. No jack bolts allowed. If he was at Speedway 1978-88 GM A/G-Body Metric Inner Tie Rod, AFCO 30270 1978-88 GM G-Body/Monte Carlo Steering Center Link, Speedway 1978-88 GM G-Body Metric Steering Box Pitman Arm, 1978-Up GM Racing Stock Metric Midsize Lower Control Arm, Left-Side LH, Speedway 3-Piece IMCA 1979-Up GM Metric Midsize Spindle Kit, Lef, 1973-88 GM Midsize Rear Control Arm Spherical Bushing, Complete Steering Kit, 1978-88 GM Midsize/Metric, AFCO 30261 Idler Arm, Monte Carlo / GM Fullsize 1978-83, Speedway 1978-88 GM A/G-Body Steering Outer Tie Rod End, 1978-Up GM Racing Stock Metric Lower Control Arm, Left-Side, Unpolished Stainless Sleeve for 5/8 Inch-18 Link, 1968-88 GM A-Body G-Body Steering Center Link Drag Links, 1965-67 Chevy A-Body Steering Center Link Drag Link, 1970-81 GM F-Body X-Body Steering Center Link Drag Link, 1977-96 GM Fullsize Steering Center Link Drag Link, AFCO 30272 1970-81 Camaro Steering Center Link Drag Link, AFCO 30274 1968-72 Chevelle Stock Stub Steering Center Link Drag Link, Front Axle Installation - 410 Sprint Car Build, Front Axle Assembly - 410 Sprint Car Build, Project Chevelle Episode 4: Power Steering, Engine Install and Wheels and Tires - '32 Roadster, Improved geometry drag link relocates the inner tie rod end to shorten both tie rod assemblies, Steering geometry is improved by reducing excessive toe out that is common to GM metric chassis, Includes castle nuts, grease zerks, and cotter pins. We are allowed to run a nine inch rear-end, with the top mounting points no higher than 7 3/4" from the "centerline" of the axle. Remember the amount of traction offered by the race track or the amount of Sway bars(optional) and brackets must remain OEM. When this book was originally published in 2001 it was specifically for GM Metric chassis (78 or newer Malibu, Monte Carlo, Regal and Cutlass cars) racing on asphalt. Ive raise the center section of the chassis where the the upper mounts attach by 3". Learn how to install a front axle in your 410 sprint car as the guys on our build team keep progress moving. LANDRUM PERFORMANCE SPRINGS makes no guarantees that … I have done several chassis's with that setup, the upper shafts parallel to the lower shafts. This is from the IMCA web page for Southern Sport Mods. Ground shipping only in the contiguous US. WA17, your thinking is correct for the most part. It eliminates the caster change thru the up and down travel. Like anything else, all suggestions are just what they are "suggestions." Racing Shocks Setup Tips for Dirt and Asphalt Here are some racing shock setup tips you can apply at the race track. This article includes which parts to use to complete your power steering installation. Adjustable spring buckets allowed, may be dropped as long as they remain in OEM location. There used to be a class that ran about 20 years ago with similar rules, but straight 6 engines instead of v8's and the lap times with in the 17 second range. These chassis have been built using either the 68-72 Chevelle or the “Big Metric” Impala. can you run camero lower arms and spindle on a metric front clip also what parts are interchangable on metric front clip to help with front end geometry, roll centers, and so on. What is the best angle to try to get with the upper and lower traling arms on a metric car? ;D Hi I wanted to start a forum to help guys like us out on racing a metric chassis on asphalt. Lower A-frame mounts and bolt holes on frame must be in OEM location, mount may be notched for clearance. • No Air Shipments are guaranteed by UPS or FedEx, No refunds will be If you are confused as to how that new steering wheel you want is going to attach to your project's steering column then this buyer's guide should be your first visit before adding that new wheel to your shopping list. I searched this forum numerous times and I seem to get conflicting answers. According to Steve Smith's Street Stock Chassis Technology the best angle for the upper control arms is " parallel to the ground with no angle". Once you download it is on your phone whenever you need it. (704)784-5353 GM-METRIC HEADQUARTERS aj@johnsonchassis.com GO-KART TO SPRINT CUP PROVEN CHAMPIONS!!! I built the car not the engine . Hardcore Chassis……………………………………..$3,000 Powdercoating (Standard Colors)…………………$555 Full Front & Rear Suspension, Steering, Brakes All Rub Rails and Bumper………………….…$5,530 No Shocks If upper spring cup uses all thread, it must be securely welded to chassis. Watch as Joe and Zach improve the ratio and make driving the Chevelle easier. A more constant body position allows the driver to chase the car less as the aero change throughout the corner is more consistent. how is the steering geometry corrected on a street stock oval track asphalt metric chassis? 3) Are you permitted to change the ball joints from stock? You need to be a member in order to leave a comment. You're pretty much stuck with what you get, which isn't all that bad really. It's easy! Suspension Theory 101: Your suspension has one main purpose; to control the amount of Weight Transfer to each corner of the chassis, which in turn changes the amount Port City has everything you need to go Late Model lowers are 7. vl racing, May 27, 2008 in Grease Monkey Hangout. FRONT SUSPENSION: All components must be steel, unaltered OEM, in OEM location, and match frame. Thanks in advance for any knowledgeable responses. Body And Chassis Brakes Cooling System Drivetrain Shift Linkage Engine Throttle Linkage Front Suspension Fuel System Garage Sale Headers Rear Suspension Safety And Interior Shocks Springs Steering Tools Wheels Be the first to get new products, special deals & promotions! 5) Are you permitted to change the angle of the top a-arms? These two gains are included in the Big Bar Soft Set Up. It's got some real 1960's flair now! 1) Do you have to run the stock springs in terms of wire diameter, inside (or outside) diameter and free spring height? Home » Archive by Category "Chassis Setup" 01 Feb Chassis Setup Corner Chemistry February 3, 2019 By Spencer Facebook Twitter Email linkedin Who is right - the driver or the crew chief? I run a metric chassis on dirt ovals. If yes, what are you permitted to do to change the ride height? My question is, is there a generalized starting point for front and rear ride heights that will get the roll centers close without have some fancy program to figure it out, and what are they? Officials are trained to find sneaky parts. REAR SUSPENSION: All control arms and mounts must be steel, unaltered OEM, in OEM location, and match frame. A setup with a higher gear ratio or one The car is loose mid to exit with not foward drive. The Most Complete Racing Car Chassis Setup Tutorial Guide Available presented by Shown above is a gaming expo fair in Europe that held a contest for the best gamer team in a newly released 1st shooter game competition. Due to scarcity of these frames Howe will not accept any new orders for modifieds with factory frames but will continue to repair existing stock frame mods if a core frame is provided. How to install an electronic power steering unit in a micro sprint and the benefits of using power steering. OEM style ball joints only, may be tacked in. Must use OEM upper and lower A-frames and mounts. Thank you for pointing out the obvious to me . 10,000 sq/ft Some parts are not legal for use in California or other states with similar laws/regulations. All A-frame bushings may be aftermarket, but no bearing/heim type. '78-'88 Monte Carlo G-Body Hey I am looking for some guidance setting up my 4 link GM metric rear end. Don't ruin a good handling setup to improve one or two minor corners using hardware changes. Improved geometry drag link relocates the inner tie rod end to shorten both tie rod assemblies, which improves steering geometry by reducing the excessive toe out that is common to GM Metric chassis during normal suspension travel (bump steer). The roll center is located where the line crosses the vertical center line of the axle. You won't want to miss this! any help would be greatly appreciated. No wi-fi or cellular service needed to use. Version 4.0 now features separate screens for Asphalt and Dirt! Im using a 9" floater, locker, 60" w/centered pinion. Front end geometry, roll center & height , and where it migrates to is controlled partially by spring rates when you look at body roll or dive on corner entry. No need to ask other drivers to help you out. The track is 3/8 mile asphalt, 19 degrees banking in turns, 16 degrees on straights. Recommended Basic Setups. No aluminum parts allowed, other than bushings. IMCA Stock car class info coming soon! There is a new street stock class at a local 3/8 mile circle track, and I was looking at building a car to run. All control arm bushings may be aftermarket, but no bearing/heim type. Today on our 410 sprint car, the guys are assembling the front axle. 4) Do the a-arms have to remain in their stock locations? I want to try a reverse spring set up on a hobby stock car that am helping a friends with its a 3400 lbs metric car all stock. Learn how to adjust toe in and ensure your'e driving straight. We sell Performance Parts for all your racing needs. One of the most popular chassis of choice now is the GM "metric" cars, made from 1979 to 1986 because they're so plentiful. • Due to Covid Ups,FedEx,SpeeDee are experiencing shipping delays. And if you can tell me what the rear roll center height is on a stock metric four link I'd appreciate it. Increasing the angle at the RF upper A-Arm raises the Front Roll Center and moves it to the right. And Setup Sheet Please read before deciding what changes to make to your chassis All tuning recomendations are based on starting at the baseline setup. A setup that will spin it's tires easily will require more wedge to counter act the traction loss under power. December 16th, 2019 - Our Brand New Wenteq Asphalt IMCA Style Modified Chassis Is State Of The Art From The Ground Up Designed Entirely On A Computer Then Fabricated Using Computer Software To Accurately Calculate Upper A-frame mounts may be modified and moved for caster and camber adjustment, but must remain OEM material. The following spring/shock combinations are recommendations only. © 2021 Speedway Motors, Inc. All Rights Reserved, AFCO 30271 1978-88 GM Metric Improved Geometry Steering Center Link. 6) Are you permitted to change the ride height? The total amount of wedge required depends on track size & roll couple in the car. No jack bolts allowed. Green means increase, Red means decrease, Gray means no adjustment necessary. With the soft front springs, big front sway bars, and additional rebound the front end is now doing its part. Oval, asphalt, dirt, drag and more! Larry Shaw Race Cars Recomended Tuning Guidelines And Setup Sheet Please read before deciding what changes to make to your chassis All tuning recomendations are based on starting at the baseline setup… I was thinking this setup might help because their are not alot of different way to adjust these … Many times racers will start their baseline setup with neutral preload, but they know that adding 1% preload at the track will be a quick and easy way to tighten the chassis. Port City Racecars is a leading manufacturer of Late Model, and Modified Racing Chassis in the US, as well as internationally. I am finding limited information, and contradicting information on rear moment center location for the stock mounting location points. Get FREE shipping when your order includes this item and exceeds $99! Setup Changes For The Metric four-link Even if we can lower the rear RC to around 13 inches, that's still a high rear RC. CSC Racing Products Inc. introduces its new Full Tube Metric Chassis. IP: Logged. OEM upper A-frame may be replaced using aftermarket upper A-frame (STEEL only), must display “IMCA approved” decal. On the metric chassis the roll centers, from what I understand are mainly influenced by ride height, because we can’t change control arms ect. We are currently running a minicup style of car up in Canada and next year we are going to switch to a full size car. No suspension parts may be altered or lightened. And if you can tell me what the rear roll center height is on a stock metric four link I'd appreciate it. The roll center for a GM metric chassis (shown left) is found by drawing a line between the theoretical intersection of the upper links (A) and the theoretical intersection of the lower links (B). A bit more information is needed to answer your question with any degree of accuracy. Location: Durham, NC, US. In my opinion and experience, it's not a big deal to have reverse split or not. Increasing the angle at the RF upper A-Arm raises the Front Roll Center and moves it to the right. The chassis meets the growing need for a replacement chassis for the '78 and newer Metric Frames that are becoming extremely hard to find in good condition. racer17j Dirt Forum Champ Total posts: 5390 posted May … Thanks. If we change from a 73/4-inch-tall spindle, with an offset of 31/2 inches from the bottom of the spindle to the center of the pin, to an 81/2-inch-tall spindle with a 31/2-inch offset from the bottom to the pin center, then we have raised the upper ball joint by 3/4 inch and not changed the lower control arm angle. Joined: May 10, 2004. '78-'88 Monte Carlo G-Body Being the only competitive Metric Chassis at CC must be hard to do being there are only 2 metric type cars in the SS class. Thanks in advance for any help. For more info call or text Brian at 479 461-7561. 11. The "ULTIMATE" Racing Car Chassis Setup Guide and Tutorial. Rob Here's a link to the complete rules list. The process can be a bit messy, but the finished product is so worth it! Improved geometry drag link relocates the inner tie rod end to shorten both tie rod assemblies, which improves steering geometry by reducing the excessive toe out that is common to GM Metric chassis during normal suspension travel (bump steer). Register at www.racelogic.vip. As a general rule, most asphalt stock cars run around 3.5 to 4.0 front roll center height, although many run lower roll centers than they would like simply because the stock location is very low and they're not allowed to change it. Includes castle nuts, grease zerks, and cotter pins.

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