mjbro10
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RE: SW20 track car back on track
Friday, January 23, 2009 2:26 PM
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quote:
Originally posted by B24
quote:
Originally posted by mjbro10
I just did a PI track day in my series 8 fd rx7. The car is completely stock except for semi slicks. I did a 1.58. I think 1.46 is a bit unrealistic for an mr2. There was a full race car evo 7 doing that time, but it was probably pushing 500hp+. There was also a few gtr with heaps of power which just got below 1.50. Phillip Island is an amazing track, it's intoxicating. My fd flowed so bloody well through it, i was so happy Can't wait to get back there with an exhaust and power fc
Sounds like you will be back to PI in the future!It will be a great track to experience. Another is the new extension on Morgan Park this year bringing the track to over 3km long. This will be worth going north to drive.
I appreciate what your saying that it is a big ask to have a MR2 manage a 1.46 at PI but its not impossible.
BIg horsepower helps but there is more to it that raw horsepower. In 2006 at the Shannons Nationals a MR2 with the following specs in the production car class managed a 1.58. The driver was a rental driver with minimal experience.
1150kg/98rwkw,7" and 8" yokohama semi slicks,full cage,no seam welding,proflex shocks,std swaybars. It for sale on www.my105.com.au .
You can run a MR2 in Production Sports (three power ro weight classes)at a much higher spec.
1050kg/200+rwkw,up to 40" of rubber,slicks,seam welding,lexan windows,ligtweight panels,aero aids will certainly knock quite some time of a basically std MR2 so it is possible. How likely is anyone's guess..
There are some quick MR2's around with quick times at Wakefield and Oran Park. Only a few seconds off the pace for Production sports Sb class so their is potential.
By the way, RX7 are the most sucessful Production sports car that has raced. When they show up, everyone takes a deep breath. Rick Shaw was running around PI last year in the mid 1.40. A quick car..
Have to wait and see.
Wow, 1.40 from Rick Shaw's rx7 is crazy fast. In the latest performance car of the year issue, Warren Luff peddled a 997 GT2 around in 1.41.....that rx7 is fasssttttt[:u]
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B24
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RE: SW20 track car back on track
Saturday, January 24, 2009 8:39 AM
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He raced at the Wakefield 300 in November. I have footage on youtube od the car. Its a hell of a quick car. He was running around doing 1.04-1.05 all day quite easy.
It has a lot to do with set up as they run a power to weight formula, but simply amazing cars. I would love one if I could afford to run one.
The MR2 was worked on today. Its stripped back almost to a shell. Its on blocks with the wheels and brakes off. The sound deadner is being removed from the wheel arches so I can seam weld throughout
almost done and on the hottest day of the year!
I found out a few thing about the car today. 315mm rear rotors which are light weight. The orginal caliper with a spacer have been used. It also has the ball joint spacer to suit the ride height it runs at.
IT has Tein Flex coilovers.
No accident damage by the look of it which is a good thing
Should be welding by next week
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B24
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RE: SW20 track car back on track
Saturday, January 24, 2009 8:40 AM
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quote:
Originally posted by surok
yeah but to go to private practice there its cheaper than wakefield.
I know about Wakefield practice You can do the same at EC but when it comes to a motorsport event and hiring the track its a different ball game
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kameleon
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RE: SW20 track car back on track
Saturday, January 24, 2009 8:43 AM
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so it's using fd rx7 discs on the back and has roll centre adjusters. any pics?
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B24
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RE: SW20 track car back on track
Sunday, January 25, 2009 1:05 AM
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I will have pics up soon with everything removed
The brake spacer is a very simple system which must be an aftermarket 'off the shelf' item as it has SW20 imprinted on it.
The disc is vented below the line of the disc which contacts the pad. It is a light disc.Half the weight of the front one. I have a set of old wilwood calipers from a sprintcar which line up nicely with the existing holes, so I may fit these to the car.These are also half the weight of the std calipers. I wont be able to run the handbrake but thats not a real concern to me as its a weight saving and I can run a hydraulic system if need be.
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kameleon
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RE: SW20 track car back on track
Sunday, January 25, 2009 11:09 PM
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i have the same brackets if your rear discs are actually 323mm.
it's a rx8 "sport" front disc.
i have pics of a hydraulic handbrake setup using the std front cable if your interested in doing that. thats my plan but still to use the std caliper at this stage (sick of stretched cables and poor performing handbrake in general)
waiting your pics.
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evo65m
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RE: SW20 track car back on track
Monday, January 26, 2009 1:14 AM
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The only prob with hydraulic hand-brake is over night it will lose pressure as the oil pushes back into the master cylinder so please remember this.
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B24
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RE: SW20 track car back on track
Wednesday, January 28, 2009 4:52 AM
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Thanks for the tip on the brakes. I will probably run without a handbrake for the time being as its track only.
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B24
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RE: SW20 track car back on track
Thursday, February 26, 2009 6:12 AM
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Finally found time to pick up a welder and start the seam welding. Not the most fun job in the world.If I had the money I would have stripped it bare and had the car bead blasted or dipped due sound deadner. I removed plenty but you just can't get it all, then as soon as there is a small amount of heat it starts smoking then lights up!!
The welding will be finished over the weekend then the cleaning of the welds then some etch prime to stop rust.
It will be off to Bonds Rollbar soon to have the cage sorted.
Should be ready in a few months..
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kameleon
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RE: SW20 track car back on track
Thursday, December 03, 2009 12:10 AM
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looking good.
http://www.flickr.com/photos/mattsan/2631019674/in/set-72157605534902097/
http://www.flickr.com/photos/mattsan/2631019382/sizes/o/in/set-72157605534902097/
btw whos this?
http://www.flickr.com/photos/mattsan/2569394897/in/set-72157605534902097/
http://www.flickr.com/photos/mattsan/2570220962/sizes/o/in/set-72157605534902097/
http://www.flickr.com/photos/mattsan/2631020056/sizes/o/in/set-72157605534902097/
http://www.flickr.com/photos/mattsan/2631019954/sizes/o/in/set-72157605534902097/
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B24
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RE: SW20 track car back on track
Saturday, March 14, 2009 2:19 PM
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Thanks for the pic's but that was before I picked up the car.
It ;looks a little different at the moment as the seam welding has been done but still on blocks. It will off to bond roll cages in a few weeks then home for final assembly.
Plenty to be done in cluding the heater hoes removed which is a pain due to these being above the fueltank( as you know), fabricating a engine cowl like evo65m, wiring and the list goes on. It should be ready in 8 weeks then I will give it a run. I was talking to the guy who ran the car at that track day. I asked him what the car was like. He stated the engine response was violent but the quickest Mr2 they have had through the shop, good brakes, handles well so its was a good base to start from.
Have to say that the seam welding aspect is a lot of hard work and time which I hope to see some rewards for.
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evo65m
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RE: SW20 track car back on track
Wednesday, April 15, 2009 12:44 AM
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How's it all progressing will you be running soon am keen to see you out there 
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B24
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RE: SW20 track car back on track
Saturday, April 18, 2009 1:41 PM
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Well it progressing slower than what I would like. I hope to find time next week or early the following week to get the car to Bond Roll Cage for the cage fitting then then wiring will be sorted as soon as it returns from Bonds.
Still plenty to do..
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mr2oz
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RE: SW20 track car back on track
Monday, April 20, 2009 7:55 AM
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I had my car fully caged by Bond a couple of years ago, the project has been idle ever since due to other projects, its a great cage, let me know if you would like pics, Mr2 are not an easy car to cage to FIA spec and still have room to move. If you are over 6 foot I would suggest you get them to make a few changes over what they made for me.
I removed all the tar on the inside, including the second wall that back on to the engine bay with tar behind, it not an easy job, but there are far better insulators around that weigh a lot less.
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B24
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RE: SW20 track car back on track
Thursday, November 05, 2009 6:45 AM
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Just returned the car from Bond Roll Bars. I will be cutting in the cage this week with the welding over the weekend.
I highly recommend to see Bond for a cage. Very helpful decent people.
They also provide the service of setting all the geometry on the car. Once the cage is in, I will be back to bond for a few trick bits to improve on the car. One point he did make was the focus on stablising the engine as it looks as though it tends to float about which may have something to do with that 'spooky' feeling that people talk about.
Also found a auto sparky who will not charge the earth, so its coming together slowly.
Cant wait to get it out on the track but the journey there is a treat!!
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