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Everything posted by TUME
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engine compartment frame question
TUME replied to mobythevan's topic in Brakes, Wheels, Suspension and Chassis
Something like that, I also made support to side of beam. So I bolt crossmember with 4 bolts/side. 2 horizontally and 2 vertically. -
I used Peugeot 205´s boots. Quite cheap...
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engine compartment frame question
TUME replied to mobythevan's topic in Brakes, Wheels, Suspension and Chassis
I did new frame rails from 60mm wide tubing and just drilled new mounting holes to rails and crossmember. -
S13 Rear Subframe upgrade for 260z
TUME replied to grayson260z's topic in Brakes, Wheels, Suspension and Chassis
U got that right, sir. Here is a poor pic inside car. As you can see, seat belt rollers can´t be there anymore. -
S13 Rear Subframe upgrade for 260z
TUME replied to grayson260z's topic in Brakes, Wheels, Suspension and Chassis
I thought that too, unfortunately it came in my mind too late. I did little modification on my subframe afterwards, lowered LCA front pick-up point to reduce anti-squat. After that i noticed there is unnecessary notch in my chassis because of that... When I was saying there is many ways to do this modification, I meant mainly suspension geometry. If you want decent roll-center and low car you must install subframe deep in your car. It means lots of metal working... -
Made some kind of strut-bar with rod ends. With opposite threads, bar can adjust just by turning it. Joe had ruined firewall and that strengthening plate. So I made a new one out of aluminium. Brackets for pedal-box and steering column is added too.
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S13 Rear Subframe upgrade for 260z
TUME replied to grayson260z's topic in Brakes, Wheels, Suspension and Chassis
Here is some pics about my swap. I wouldn´t say it was easy, but there is many ways to do this. As we can see.... -
All sheet metal welds are with MIG with Co2. Or is it MAG then....? Square tubes are welded together with arc stick, (is this right phrase?) Because they are quite thick wall and cromesteel. Control arms are welded with TIG.
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No, it´s been raised about 45mm, due the roll center. Front roll center will be ~60mm above ground. Here is pic where you can see mounting points and control arm position.
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Nope and no. Links are still on their original side. Just cut them off and tacked back. Then measuring steering rack movement and wheel angle. After one evening trying and trying again I got the right angle. After that I made some kind of jig in welding table. There was big gap, but with tig it was easy to fill. Here is some kind of photo about half-way. Rack movement in mm 10 20 30 40 50 60 Inner wheel angle 5,5 12 18 25 32,5 40,5 Outer wheel angle 5,5 12 17 22,5 28,5 34 Here is some kind of table of wheels turning versus steering rack movement. It´s not 100% ackermann, but better than nothing.
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They are already modded at picture in post #4. Originals look like this.
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Little progress, roll cage. I was thinking that there is possibility of some movement on body when cornering hard etc. So why not some kind of roll cage. It´s not the safest but better than nothing. Hope get some stiffness on chassis too. This is not a race car, just a summer toy. I did´n want to make daily usage too difficult. So minimum amount of tubes on the cage. Btw. there is almost no snow in my yard anymore. Early spring I hope. So winter last only 4 months this year....
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My plan for chassis/subframe fabrication...
TUME replied to capriottikidd's topic in Fabrication / Welding
http://forums.hybridz.org/topic/120418-arttu%C2%B4s-240z-never-ready/ <- Short story, I can add more info if intrested....- 19 replies
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- frame rail
- subframe
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(and 2 more)
Tagged with:
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Summer, maybe....
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My plan for chassis/subframe fabrication...
TUME replied to capriottikidd's topic in Fabrication / Welding
I think you are messed up geometry with mounting subframe so low. Yes I know it´s much easier like that but control arms will be funny positions if you like car is decently low. This is how you should do it.- 19 replies
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- frame rail
- subframe
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(and 2 more)
Tagged with:
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I'm afraid it's not driveable for a while. Atleast not in next summer, maybe 2016. I must say, i have quite big expectation what comes driveability and handling. Should been good setup there: Weight, weight distribution, tracks, roll centers, etc. Everything is also adjustable.
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Thanks for comments. Got brakes almost ready, need little adapter for rear center and spacer for front. Rear: Wilwood disc&hat 298x20mm, R32Gt-R caliber, R32 handbrake with shoes. Front: Wilwood disc&hat 310x28mm, R33Gts-T caliber with aluminium bracket to suit larger disc.
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After short moment of happiness, it was time to tear it down again and started cut some more... Had crazy idea for flat under floor to add some aero. Fuel cell was mounted too. R32 cooler fit quite nice to front end.
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Finally was time to put her on wheels on doublecheck everything. ZG-flares was added too, because widened wheels and wheel track.
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Moved to front end. Because widened rear, the front must been widens too. Made new control arms with S13 knucles and S13 coilovers from BR. Knucles swapped side to side due the steering rack. Aluminium S13-desing front hubs with 5-lug bolt circle. And because ackerman, turning arms must been modded. Sway bar was replaced with adjustable unit. Also front, shock mounts was done little bit different.
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After some repairing, I did cut little bit more, R32 subframe was tossed in. Need´s lot´s of metal to remove to achieve decent geometry with low car. New frame rails to mount subframe too. After a week of welding looked like this. Did some control arms too and everything seemed ok. Uprights are from Z32, because aluminium construction. Shock tower must redone because had bought those S13´s coilovers. They were too short for the job.
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Frame rail were bended and crappy already, so I cutted them away and made new with square tube. Driver side rocker panel was toast too, and repaired before by some blind guy... Bondo-Bob was visited also. Made whole driver´s side again.
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Catching up four year´s of building, so just scrathing the surface. I was looked a 240Z for some time, and found one with decent prize and distance. I was already decided that i will modify it heavily, and for a cherry on the cake it was eqquipped with SR20DET. Like many car´s first look was ok, but this wasn´t really a pearl after all. So lots of cutting and welding must done.
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Haven´t seen you @DNSF for a while....?
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