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76 RX-3 Build

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Old Sep 22, 2015 | 09:13 AM
  #26  
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Nice build good luck!!!!!
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Old Sep 22, 2015 | 11:40 AM
  #27  
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I do plan on using that front inspection plate on the FD for transplanting the shifter. I assume I will still have to use a bent long throw shifter though. Still need to do a full mock up of the driveline to confirm location of everything.
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Old Oct 6, 2015 | 09:07 PM
  #28  
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I have a few rx-3 parts on ebay right now.
They aren't in perfect condition, but may be something you could work with.

Mazda RX3 RX 3 Brake Lights Left AND Right Side | eBay

Mazda Kotto RX 3 RX3 Front Grill | eBay
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Old Oct 6, 2015 | 09:09 PM
  #29  
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Rx-3 parts

deleted....duplicate
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Old Oct 19, 2015 | 07:29 PM
  #30  
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Well first rail is out. The new rail is a 2x3 11 gauge from Autoweld with a 3" rise. Will be cutting the floor and then reinforcing with angles at the spot welds. Also plan on making out riggers to the pinch weld.
Attached Thumbnails 76 RX-3 Build-img_20151019_193036.jpg   76 RX-3 Build-img_20151019_193058.jpg   76 RX-3 Build-img_20151019_193225.jpg   76 RX-3 Build-img_20150930_175700.jpg  

Last edited by fritts; Oct 19, 2015 at 07:33 PM.
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Old Dec 23, 2015 | 06:52 AM
  #31  
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Picture of the FD shifter relocation i completed this past weekend. Works well

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Old Dec 23, 2015 | 05:28 PM
  #32  
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Glad to see my idea on the shifter location wasn't all goofy. Do you have any pics of how you made the change?
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Old Dec 28, 2015 | 06:22 AM
  #33  
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Yea i took quite a few of them. It was pretty straight forward once i dissembled everything and figured out what i needed. Im sure you wont have any issues with the swap.
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Old Dec 30, 2015 | 05:38 AM
  #34  
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One day I'll have the time to pick up an RX-3 and bring her back to her former glory. Good luck with the build.
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Old Jan 25, 2016 | 11:34 AM
  #35  
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Looking for some help on finding out what the stock RX-3 trans mount to firewall distance is. From what I can tell is 5 or so inches. Could someone confirm that distance?
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Old Jan 31, 2016 | 09:19 AM
  #36  
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Any help with the engine back plate/trans bell plate to fire wall stock? I have never had an engine or mounts in this vehicle and would like it for reference.
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Old Feb 4, 2016 | 12:59 AM
  #37  
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Originally Posted by fritts
Any help with the engine back plate/trans bell plate to fire wall stock? I have never had an engine or mounts in this vehicle and would like it for reference.
On my '73 it's 6.5" from the firewall to mate line between the engine and transmission.
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Old Feb 4, 2016 | 03:25 AM
  #38  
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From: delta
Originally Posted by gerald m
Body doesn't look so bad . yea seems like all these old guys are a bugger getting parts for my 73 wagon is the same not bad but it would be nice to have a new fender and a front bumper i would be happy . if you happen to come across someone that can supply for these old guys please post
do you need any other things for wagon ??
in BC Canada took apart wagon , any idea of any rx3' coupes in canada
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Old Feb 6, 2016 | 02:29 PM
  #39  
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Got a bit more work done positioning the trans/engine. Trying to make sure everything matches my SolidWorks models.
Attached Thumbnails 76 RX-3 Build-20160206_141036.jpg   76 RX-3 Build-20160206_140853.jpg   76 RX-3 Build-20160206_141101.jpg   76 RX-3 Build-20160206_141206.jpg   76 RX-3 Build-20160206_143119.jpg  

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Old Jul 3, 2016 | 07:38 PM
  #40  
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Thought it was time for an update

Frame rails removed and cut for new mandrel bend box sections.
Attached Thumbnails 76 RX-3 Build-20160611_101905.jpg   76 RX-3 Build-20160611_101926.jpg   76 RX-3 Build-20160611_123215.jpg   76 RX-3 Build-20160611_123224.jpg  
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Old Jul 3, 2016 | 07:39 PM
  #41  
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Working on adapting the Ford 8.8 with the FD rear brakes. Required cutting down the axle flanges and creating a new adapter plate.
Attached Thumbnails 76 RX-3 Build-20160412_195530.jpg   76 RX-3 Build-20160412_195535.jpg  
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Old Jul 3, 2016 | 07:44 PM
  #42  
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Patch panel for the drivers side rear quarter.
Attached Thumbnails 76 RX-3 Build-20160703_180431.jpg   76 RX-3 Build-20160703_180424.jpg   76 RX-3 Build-20160703_180500.jpg   76 RX-3 Build-20160703_192056.jpg   76 RX-3 Build-20160703_192122.jpg  

76 RX-3 Build-20160703_193046.jpg  
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Old Jul 3, 2016 | 07:45 PM
  #43  
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Also have removed the lead from the rear quarters and have started the drip rail removal.
Attached Thumbnails 76 RX-3 Build-20160605_084136.jpg   76 RX-3 Build-20160530_103848.jpg   76 RX-3 Build-20160531_101753.jpg   76 RX-3 Build-20160530_103852.jpg  

Last edited by fritts; Jul 3, 2016 at 07:47 PM.
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Old Jul 3, 2016 | 07:53 PM
  #44  
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Also started to fab the front subframe.
Attached Thumbnails 76 RX-3 Build-20160414_204732.jpg   76 RX-3 Build-20160414_204814.jpg  
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Old Jul 12, 2016 | 03:23 AM
  #45  
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looking nice
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Old Jul 12, 2016 | 08:50 PM
  #46  
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Wondering what everyone does in regards to running flares and a wider track. I really hate to do it but trying to figure out if I need to remove the rear quarter oe flares and how to stitch it back together.
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Old Jul 20, 2016 | 02:02 AM
  #47  
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I forgot how much i disliked thar butterscotch color. I had a '76 just like it. My wife drove it (we had enough money for a second car) and i had my '72 4 door blue RX-3. I got a '77 RX3SP the next year and in '78 got a new RX7. As i recall the 76 was a real lemon. Had the Free Maintenance program on that one and it cost Mazda about $2000 .
Something needed changing every 2 or 3 months.
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Old Jul 20, 2016 | 06:28 AM
  #48  
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Drilled and welded thread bungs for the subframe mounting. Will use a plate with these bosses to help align the frame rails for welding into the chassis. The plate will then be used to figure the subframe for welding.
Attached Thumbnails 76 RX-3 Build-20160719_175823.jpg   76 RX-3 Build-20160719_201852.jpg  
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Old Mar 3, 2017 | 08:26 AM
  #49  
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Been a while since I updated frame rails are partially welded in. I have started my suspension mounting with a big change to a triangulated 4 link from welder series. After the flex-form spring debacle. I worked out a way to get the triangulated bars in a good spot without rear seat tear up. Also working on getting a heavier plate in stalled for upper control arm mounting tying into the firewall and front clip. I think rim and tire size will be the 15x8/15x9's with 225 and 245 RS4's. Hopefully with the low offset they will fit over the FD brakes.
Attached Thumbnails 76 RX-3 Build-20170128_161051.jpg   76 RX-3 Build-20170128_161037.jpg   76 RX-3 Build-20170121_104517.jpg   76 RX-3 Build-20170121_104749.jpg   76 RX-3 Build-20161018_200638.jpg  

76 RX-3 Build-20161018_200649.jpg   76 RX-3 Build-20161018_200917.jpg  
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Old Mar 3, 2017 | 11:22 AM
  #50  
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That frame is looking great , nice job
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