The mr2 australia forum is made possible by ad revenue. Allows steer, roll and bump or rebound suspension movements. The mr2 s suspension and handling were designed by toyota with the help of lotus engineer roger becker. Even at stock height, the bump stops take a beating, and if you. Suspension types tutorials downloads data files faq purchase here contact us basic suspension geometry. These front adjustable tensions rods fit all 9092 mr2 mk2 sw20 turbo and non turbo models. Attaching a toyota mr2 suspension kit is the ultimate step towards gaining dominating ride feel. There is way more to fixing suspension geometry than just that one part. Border racing aero kit mr2 sw20 nengun performance. The sw20 is a power car that is heavier and not as nimble in the turns as the first and third gens.
Getting an alignment, what are you running archive. Front wheel alignment toyota mr2 mk2 1991 sw20 repair. Removal of fuel pump toyota mr2 mk2 1991 sw20 repair. Toyota mr2 sw20 body code 1993, kontrol pro front and rear lowering coilover kit by ksport. In 1993, the suspension geometry for the rear was altered to reduce toe out change under compression.
Released in march 1990, the toyota sw20 series i sw20. I came across a us site that have a few suspension products aimed at the sw20 chassis and i was wondering if. Suspension differences mr2 club toyota owners club. The foremost unique feature of the mr2 is the midengine layout, and with this, the car is agile, outstanding in traction and the sharp in handling. Most of these cars were automatics and nearly all of them sported a naturally aspirated engine. We carry parts for your mr2 s engine, exhaust, suspension, steering, brake system, drivetrain, interior, and exterior, as well as a large selection of performance. Jul 05, 2012 1991 toyota mr2 turbo the case of the missing mr2 after an evil knievelstyle street racing crash, ryan dandurands mr2 went into hiding during its lengthy rebuild.
I did some research and found the sw20 s weight can be brought down to fairly close to the spyder. Lowering sw20 na looking at lowering my sw20 na as the stock shocks are worn out and currently way too high stock height would these be a good setup. Mr2 sw20 rev 1 19891991 mr2 sw20 rev 2 to 5 1991 1999. This toyota mr2 gt is in fantastic condition inside and out. Details adjust the front toe setting on your mr2 sw20 to enable the most ideal corner entry characteristics. Wheel alignment settings the mr2 owners club of new zealand. Just about all of the other brands are very low and mess with the suspension geometry to the point i wouldnt want to go there.
Spring rates, weight distribution and other things automotive. Choose a model year to begin narrowing down the correct tire size. Toyota mr2celica alltrac 3sgte 19901992 mspnp gen2 plug. Wilhelm raceworks, llc suspension geometry kit ive owned my 91 mr2 for over 20 years at this point and autocrossed at least half of the time, anywhere for stock to modified. The difference i have with you is im on conventional oem springs and koni shocks, im also running a wider tire setup than you w a 225255 doublestaggered combo. Adjustable front tension rods allow fine tuning for proper suspension geometry and allow you to enter in a corner and initiate with confidence. Suspension toyota mr2 turbo performance parts engine. None of those things are off the table for me though, so well see. Japanese toyota mr2 turbo information, differences and similarities between different versions of the sw20 chassis and the 3sgte engine. Black series bushes are manufactured using our black 95 shore a compound to provide maximum control of chassis geometry. Toyota mr2 sw20 body code 1993, front and rear air suspension system by ksport. Greetings,just changed the tyres on my sw20 91 glimited and apart from a slightly floaty front end i thought it might be a good time to get the wheel alignment and suspension geometry checked and maybe add a degree to the castor. Helps reduce or eliminate bumpsteer as result of lowering the mr2 when used in conjunction with optional tie rod arm spacers resulting in a much more comfortable ride. I came across a us site that have a few suspension products aimed at the sw20 chassis and i was wondering if anyone else had any experience with their prod.
Suspension twos r us parts for toyotas from club mr2. Toyota mr2 find out the correct alloy wheel fitment, pcd, offset and such specs as bolt pattern, thread sizethd, center borecb for all model years of toyota mr2. Feb 15, 2010 technical information of mr2 sw20 models. I received an alignment from an mr2 guru a few months back, and a couple of knowitalls. The uncommon white exterior is in great condition with just minor imperfections. I recall finding that with pretty reasonable mods and a honda k engine swap, you can have a 2200lb car. Home mr2 sw20 suspension swaybar endlinks installupgrade swaybar endlinks installupgrade. Installation of stabilizer toyota mr2 mk2 1991 sw20 repair. I can now see how the geometry can be improved by bringing it closer to horizontal. Toyota mr2 roadster zzw30 1999 2007 an alternative to the mk2 mazda mx5. Swaybar endlinks installupgrade mark dormans garage. February 17, 2010 markdormangarage leave a comment go to comments.
Mr2 sw20 technical information mark dormans garage. Jun 14, 20 issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. This air suspension kit builds on the best value level of the airtech basic kit electronic control box, electronic switches, and a handheld remote. For daily driving i doubt you would want to be any lower. When our sw20 s are lowered, the geometry of the front suspension becomes altered. How to improve the toyota mr2 sw20 wilhelm suspension geometry kit. Would run coilovers but wheel choice wont allow it without spacers and dont want to run them. For toyota mr2 sw20 front rear stainless steel braided oil brake line cable hose red end cap. Whether it was an engineering flaw or simply a trait of the midship design, toyota dealt with the issue in the mr2 s 93 facelift. In turned out that the 9192 cars had a tendency to oversteer under aggressive driving conditions, which wasnt good for publicity. This is a basic get you going tutorial, using the registered susprog3d software. Suspension components are critical for fast driving on the road and on the race track. The lower the vehicle is, the greater the angles are increased. Specializing in road race and autocross performance for the mkii mr2.
Improve suspension geometry for lowered sw20 mr2s, correct roll centers, reduce bump steer. The 2 litre engine is a naturally aspirated, double overhead camshaft, 4 cylinder that has an output of 119 bhp 121 ps89 kw of power at 5600 rpm, and maximum torque. Computesreports all critical front suspension factors like moment arm length and shockspring travel. Wilhelm raceworks suspension geometry kit mr2 owners club forum.
I also hear some of the more aggressively low springs mess with the suspension geometry enough to really need a correction kit. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Its interesting reading with a lot of discussion about the sw20 early later rear suspension. Veilside 19971998 toyota mr2 sw20 ci model complete kit. I mr2 was a midengined, twodoor coupe with a targa roof. I have a 92 sw20 with about 170k miles and im pretty sure it still has the original struts and springs. Toyota mr2 message board toyota mr2 generations mk 2 mr2 sw20 mk2 braking, suspension, and wheels getting an alignment, what are you running pda. I know that best is very subjective but i figured the only ones who would respond would be the ones who were passionate about their suspension set. It absorbs strut motion and isolates the body from suspension. You can have easily 300hp the chassis is really good for a 90 car. Trouble is, none of the local guys who do this 4 wheel alignment. Since 2010, specializing in optimizing the mkii toyota mr2 for road course, track day, and autocross use. I purchased are also adjustable but i would not try and adjust them yourself unless you have some experience working on suspension geometry.
The classis 60s sports and racing car rear suspension. I am looking for a shell to put this engine into or sell it as is for some money towards another mr2. Autoware autoware inc front suspension geometry software. Front bumper side skirts rear bumper optional products. I am realizing that not only has my suspension knowled. Lowering springs the mr2 owners club of new zealand. This is the case as with many steering geometry and suspension settings, as you alter one another is also increased or. We have detected that you are using ad blocking software.
Home mr2 sw20 mr2 sw20 technical information mr2 sw20 technical information. The first japanese midengined massproduction car, the mr2, possessed all of the traits of a midship vehicle. At andy s auto sport, we have a huge variety of toyota mr2 control arms to ensure that you have every control arm option available to you. The design of computer chips for todays automobiles has evolved into one chip cpus. They are designed for the track, ready to race and are engineered to be the. No matter what mr2 generation you own, summit racing has the aftermarket performance and oem replacement parts your toyota needs to keep turning heads on the road or at the track. In australia, the rearwheel drive mr2 was powered by a 2. Veilside 19971998 toyota mr2 sw20 ci model complete kit 100% bolton and comes with precision predrilled holes for easy installations. I rebuilt mister dos suspension diy mr2 strut rebuild.
My goal is to improve the suspension, handling, and performance of the mr2 through measurement, analysis, and optimization, and to pass on these improvements to mr2 owners worldwide. Even at stock height, the bump stops take a beating, and if you lower the. However, on a 1519 year old car it can be a bit of an issue. The second generation mr2 went through a complete redesign in 1989. The vvti system, introduced in 1998 for some models of the sw20 mr2, became standard on the mrs and allowed the intake camshaft timing. Installing front and rear chassis bracing on my sw20 mr2 turbo and viewer mail time. When toyota designed the first generation aw11 mr2, they set out to make it an affordable, fun, economical sports car that was practical and comfortable enough to use every day.
Some of the most overlooked suspension pieces are the ball joints and tie rod ends. Toyotas goal was to make the cars suspension geometry work. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. The mr2 has struts at all four corners, and front and rear sway bars. I have been poking around numerous peoples build threads looking at what others have done to their cars to improve their handling dynamics. The turbo engine in the mr2 turbo is known by the code 3sgte, but note there are a good few 3sgte variants used in different cars over about a 15 year period. Wilhelm raceworks suspension geometry kit mr2 owners. I myself like the gen2 because im not that good of a driver yet. A good 75% of these cars ive seen purchased have still had the original stock suspension on them. Install the suspension crossmember in place, then install and tighten the four bolts. Find the toprated and best toyota mr2 suspension kits here. Raises the roll center point to promote better suspension arm travel and suspension geometry.
We want to know where the limit lies and damn selfpreservation. Software for auto racing and high performance cars data acquisition systems new and used engineering services and live seminars on performance and racing technology all types of tech info on racecar engines, chassis and suspension setup for road. I may be posting this in the wrong place and am happy to take guidance if thats the case, but im after some information regarding the mk. It is based on chapter 7 of the book chassis engineering by herb adams isbn 1557880557. The changes made to the cars suspension geometry in 1992 were in response to complaints made by motoring journalists. This is the case as with many steering geometry and suspension settings, as you alter one another is also increased or reduced this is the case when cars are lowered too much and end up with massive camber that wears out the tyres edge in a short time, might better to leave this alone. These cars featured a retractable, cloth softtop roof, wingless trunk lid, and an engine lid that was unique to the sw20 spider.
The sw20 s entry to the market was not quite as smooth as the aw11s. The japanese market gt spec mr2 was the highest optioned sw20 available featuring a slew of advanced features including steering fog lamps. Feb 23, 2020 i have mentioned here before that i noted the similarities in the x and the mk1 mr2 when i bought an mr2 racecar several years ago. The result is significant improvements to turnin and front end grip, while also reducing the oversteer tendency that the sw20. Toyotas cooperation with lotus during the prototype phase can be seen in the aw11, and it owes much to lotuss sports cars of the 1960s and 1970s. Replacing front and rear shocks mr2 sw20 mark dormans garage. I have mentioned here before that i noted the similarities in the x and the mk1 mr2 when i bought an mr2 racecar several years ago. The direct and rigid pillow ball mounts replace the factory rubber and also increases stability under chassis dragdive accelerationbraking fitting the pillow ball suspension arms are simple bolton performance modification.
I imagine suspension can be modified to be pretty good. We go out of our way to carry every major line of toyota mr2 control arms, so that whether you are looking for a toyota mr2 lower control arm or an upper control arm, front or rear, weve got it for you. How to improve the toyota mr2 sw20 wilhelm suspension. Dont wait for total failure, restore ride and handling on your toyota mr2 with our replacement. At rev 2 the steering geometry was revised, front and rear anti roll bars were stiffened, all cars were lowered by 10mm, front shocks were made harder although spring rates were unchanged and the rearmost lower suspension arm was lengthened by 98mm and the mount lowered to reduce squat under power. From mr2 sway bars to lowering kits, we sell everything required to enhance your sport compacts ride feel. The strut top is an often neglected suspension component. Based on extensive study of the geometry of the 9099 sw20 mr2 suspension, the wilhelm raceworks suspension geometry kit is designed to correct the negative effects of lowering, and to improve on the stock geometry by reducing dynamic toe and adjusting the roll axis of the chassis. I saved up my funds and went through the entire suspension on the car.
I have one mr2 sw20 3sgte rev3, its really a nice car to drive on track, the weigh is little too high but its an affordable middle rear car with lot of potential. Toyota mr2 sw20 body code 1992, front and rear lowering air strut kit with 3. Ive done two autocross events with this kit installed, and i have to say it is amazing. Toyotas active suspension technology, called tems, was not installed. Toyota mr2 is a car that has a 2 door coupe type body with a mid mounted engine driving through the rear wheels. Optionally the car could be ordered with either a ttop roof commonly referred to as the tbar option or a moon roof option. They reported that the mr2 was prone to snapoversteer and unpredictability. While toyotas engineers did a lot of things right, one thing that they really got wrong was the amount of shock travel in the front struts.
Easily share your publications and get them in front of issuus. Godspeed mss0179 made for toyota mr2 sw20 199198 monoss coilovers suspension lowering kit. Feb 15, 2010 the front and rear shocks on sw20 mr2s are generally blow when people buy their cars. Sw20 is commonly used to mean mark 2 mr2, even though in some markets some nonturboed mark 2 mr2s had the sw21 prefix. Ive done two autocross events with this kit installed, and i have to say it. As a result, weight transfer is decreased and vehicle stability is increased by keeping the roll center above ground the higher the roll center is, the better it is for suspension geometry.
Discussion in members rides started by greenghost74, jun 8, 2018. Mrs rear suspension design and modification mr2 spyderchat. In 87 they changed the rear geometry to make it a little less oversteery and. If you look at the bar as a radius of a unit circle you can see that the vertical y axis would somewhat show vertical suspension movement and movement in the horizontal direction would be unwanted. These rcasroll center adjusters fiy all 9199 mr2 mk2 sw20 turbo and non. One of the things i learned was the minor difference in the mr2 s rear suspension geometry that resulted in the reputation for snap oversteer that has followed the car throughout its history. Im interested in improving the geometry on my track car that currently sits quite low. Refill of engine coolant toyota mr2 mk2 1991 sw20 repair. My personal opinion about the best mr2 is a 2zz 6 speed spyder, its effectively a cheap lotus elise and with a good suspension setup drives like one i can make this claim because i have driven both at the limit. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. Its 4 cylinder, double overhead camshaft naturally aspirated powerplant has 4 valves per cylinder and a displacement of 2 litres. Between 1996 and 1999, toyota technocraft ttc produced 91 mkii sw20 mr2 spiders. As a counterpoint to the snapoversteer phenomenon of the mr2, other.