rx3 street/strip build
I bought this car back in 2006, i started doing a backhalf/4link conversion but the project was too big for me at that time since i had pretty weak fabrication experience, now a few years/cars later i feel im finally ready for this car (well, we'll see :))
the car is a rust free -73 rx3, pretty rare here in sweden, only a handful that still is on the roads.. since i've already put the saw in it i thought i'd make a fun street/strip car out of it.. with the goal of having a street legal car, drive it to the events, run a 9 sec slip and then drive back home.. i have a a 13-rew engine and a fd tranny that i will use, engine management will be autronic sm4. 9inch rear, 4 link suspension. im no expert what so ever so feel free to comment and help.. rx3 see the light for the first time in years. http://transport.molnsatra.se/bil/rx3/1.JPG time to take it to the garage! http://transport.molnsatra.se/bil/rx3/2.JPG first task was to determine ride height and put the chassis straight in all directions. http://transport.molnsatra.se/bil/rx3/3.JPG http://transport.molnsatra.se/bil/rx3/4.JPG then i took alot of measures so i could put together a drawing for the rear suspension.. http://transport.molnsatra.se/bil/rx3/5.JPG http://transport.molnsatra.se/bil/rx3/6.JPG When i felt i was ready i finally could start fab the parts step by step.. here is the new crossmember http://transport.molnsatra.se/bil/rx3/7.JPG http://transport.molnsatra.se/bil/rx3/8.JPG http://transport.molnsatra.se/bil/rx3/9.JPG http://transport.molnsatra.se/bil/rx3/10.JPG http://transport.molnsatra.se/bil/rx3/11.JPG |
the frame rails for the shocks and front 4 link brackets
http://transport.molnsatra.se/bil/rx3/12.JPG http://transport.molnsatra.se/bil/rx3/13.JPG both frame rails welded http://transport.molnsatra.se/bil/rx3/14.JPG http://transport.molnsatra.se/bil/rx3/15.JPG http://transport.molnsatra.se/bil/rx3/16.JPG http://transport.molnsatra.se/bil/rx3/17.JPG http://transport.molnsatra.se/bil/rx3/18.JPG http://transport.molnsatra.se/bil/rx3/19.JPG strange 9" housing http://transport.molnsatra.se/bil/rx3/20.JPG This is what i have done in the past few days, i will post updates when i get something done :-) |
Nice Welds!
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Sick shit bro!
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I wish I could weld like that. I will get there one day. Nice work!
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Originally Posted by cfamilyfix
(Post 10738831)
I wish I could weld like that. I will get there one day. Nice work!
Im still learning these things, hopefully i can weld even better when this is done :) Thanks for your comments. |
The build is nice, just like your fd.
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Subscribe'd :P
I will soon start my project again, and we shall put our brains together again :) |
Awesome work and craftsmansip..
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make 2 of everything and ship the extra set to me! Thats the same reason mine is still sitting under a cover 2 years later :lol:
Looking geat man! |
She seems to be in good hands. Keep on keeping on
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thanks guys,
I havn't had time to work on the car for some time but yesterday i welded the frame into the car and added some tubing.. also did some cutting to make room for bigger tires, the rear guards needs some work.. not in best shape. http://transport.molnsatra.se/bil/rx3/rx1.JPG http://transport.molnsatra.se/bil/rx3/rx2.JPG http://transport.molnsatra.se/bil/rx3/rx3.JPG I also bought an old CNC milling machine... my ambition is to make some fun custom car parts.. :-) http://transport.molnsatra.se/bil/rx3/rx4.JPG |
did some work today, this is very time consuming.. takes a lot of time to fit and weld since you dont want to warp the thin metal.
right side is done. http://transport.molnsatra.se/bil/rx3/rx5.jpg http://transport.molnsatra.se/bil/rx3/rx6.jpg http://transport.molnsatra.se/bil/rx3/rx7.jpg left side tacked ready for welding http://transport.molnsatra.se/bil/rx3/rx8.jpg http://transport.molnsatra.se/bil/rx3/rx9.jpg when this is done i can center the tires and take measures for my 4 link bars. :) |
Finally!!!! A nice build thread, Keep up the good work...
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Looks great so far! That's the best way to learn, just jump in and give it a try!
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nice rx3 love the way you stretched rear qaurters
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Car looks awesome!!!!
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Nice work :icon_tup:
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Originally Posted by gusfd3s
(Post 10739640)
You will definately get there! Make sure you prep the pieces and make them fit 100%, it is easier to weld if you have good joints. The hardest part is not the weld but making the metal not distort/warp during welding, it is a time consuming work since you only can weld a few inches at the time and also need to think abou welding in the right sequence to make the shrinking forces pull against each other.
Im still learning these things, hopefully i can weld even better when this is done :) Thanks for your comments. VERY IMPRESSIVE!!! :icon_tup: Like what you've shared so far, can't wait to see how the project finishes up! If you don't mind me asking, I was wondering what you used to make the sub frame out of : 1018 Steel? Gauge of material? and what you cut the material with? CNC, Waterjet, Laser, or Plasma cutter? Oh yeah, one more thing. What type of welder are you using? Something like a Miller Aerowave / Dynasty Inverter? Thanks in advance and look forward to seeing your next post! |
looks nice bro, keep it up...
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Originally Posted by rotorholic
(Post 10764955)
Finally!!!! A nice build thread, Keep up the good work...
Everyone is tired of seeing Wacky put on new zip ties on his rx3 every other week.:lol::lol::lol: |
thanks guys!!
the material of the frame is S355J2H, all the cutting is by hand with a small cutting machine and a band saw machine. Im using a no-name china tig welder havn't done much for the last 2 weeks, been working on my CNC milling machine. http://transport.molnsatra.se/bil/rx3/21.JPG http://transport.molnsatra.se/bil/rx3/22.JPG my new 28" wheels :nod: http://transport.molnsatra.se/bil/rx3/23.JPG
Originally Posted by NEthingJDM
(Post 10778437)
VERY IMPRESSIVE!!! :icon_tup: Like what you've shared so far, can't wait to see how the project finishes up!
If you don't mind me asking, I was wondering what you used to make the sub frame out of : 1018 Steel? Gauge of material? and what you cut the material with? CNC, Waterjet, Laser, or Plasma cutter? Oh yeah, one more thing. What type of welder are you using? Something like a Miller Aerowave / Dynasty Inverter? Thanks in advance and look forward to seeing your next post! |
Originally Posted by gusfd3s
(Post 10764702)
did some work today, this is very time consuming.. takes a lot of time to fit and weld since you dont want to warp the thin metal.
right side is done. http://transport.molnsatra.se/bil/rx3/rx5.jpg http://transport.molnsatra.se/bil/rx3/rx6.jpg http://transport.molnsatra.se/bil/rx3/rx7.jpg left side tacked ready for welding http://transport.molnsatra.se/bil/rx3/rx8.jpg http://transport.molnsatra.se/bil/rx3/rx9.jpg when this is done i can center the tires and take measures for my 4 link bars. :) |
been doing some drawings on the new front suspension, i dont trust the stock one with some power behind it. I will try to make new struts, spindle, lower control arms and convert to steering rack.
http://www.youtube.com/watch?v=Fy6eq92dfcY |
Very nice! I never was really happy with the way i modded mine and plan on switching it up next winter.
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