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1200 brake upgrade mklotz70


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#41 mklotz70

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Posted 28 February 2011 - 04:59 PM

LOL!!! Too funny!!!

I "want" to rock a long roof......I just don't have much interest in doing any of the work to get to that point! :(
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#42 datsunfreak

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Posted 28 February 2011 - 07:18 PM

Morrisun didn't find a 13" steel rim that fit.




Don't know if it matters, but the 13" steel "racing" wheels from Diamond, Bassett, and Bart should fit over these. I've fit them over 280ZX brakes and those are as big (or bigger) than these.

These are 13x7 zero offset Bart wheels and they fit over the 280ZX brakes just fine.

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It's your car, just don't ruin it.


This seems like an elaborate ploy to get me to say "I like the D".


#43 metalmonkey47

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Posted 28 February 2011 - 07:50 PM

WOW! Very good job you did there mklotz!!

The 1200 strut/hub/brakes aren't much different from the 210 IIRC, so essentially with a few minor modifications to the mounting bracket or other essentially different pieces, this would be easy as pie as well, correct?

...seems to me we are being held hostage by these candy-ass pussy, limp wrist, hanky twisting, girly-man, cry when Forrest Gump's mom died, crystal gazing, Om chanting, sandal wearing, whiny voiced, oh I broke a nail, fucks.


#44 ggzilla

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Posted 28 February 2011 - 08:35 PM

hey morrison this looks like a great idea. No machining or fabrication needed except the two caliper adapters. And the brakes are larger than the B310 disks. Not only are they lightweight rotors, but you keep the stock lightweight B110 stuts. Good all around.

mm, the B310 (210) brakes are similar but different.
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#45 mklotz70

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Posted 28 February 2011 - 09:55 PM

Thanks guys :)

Good info on the rims!

The lincoln is gone!! Maybe I can get the shop in shape tomorrow and get back on some of these projects :)
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#46 FATSUN

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Posted 01 March 2011 - 02:16 PM

Hi, great work count me in for a set , im in uk so let me know when
or even a set of drawings /parts needed to complete ...&price
many thanks PaulPosted Image

#47 mklotz70

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Posted 01 March 2011 - 05:16 PM

will do :)
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#48 leosnake

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Posted 06 March 2011 - 06:03 PM

I definetly want this upgrade...Are you taking deposits? Just got my income tax return :D

#49 mklotz70

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Posted 06 March 2011 - 10:26 PM

I'm okay for money right now. I take deposits when I'm short on cash and need it to pay for parts. I already have boxes of the hardware for these kits. I've tweaked the CAD art, so I'll send it off in the morning to my waterjet guy to have him make a few for testing/prototyping. Once I've verified that the change was good, I'll submit the art for a quote on laser cutting. From there, I can figure up just what to sell these kits for. It will be the 2 brackets and the hardware....pretty simple, so it shouldn't cost much. I know for sure it won't go over $100...probably a good bit less than that.....just depends on the laser cutting price. My truck brackets went up 30% from the last time I ordered them!! :( ......so I'm trying to guess high....much easier to come down on a price than go up after I've put it out there. :)

I put your name on the clipboard I started for my brake kits.

Thanks!!
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#50 mklotz70

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Posted 07 March 2011 - 04:58 PM

I've sent the CAD work to the cutter...he's hoping to get to them this week. I opened the holes up on the 4 sets I had here(the strut mounting holes were a bit close together) and included them with the truck brackets for plating. They'll get black zinc as well. It was only a few bucks more to get these plated too, even though I'm not thrilled with the holes being oversized. I'll check the fit to the strut when they get back...I was in a big hurry to get out the door right after I drilled them. Anyway.....hopefully, I can post some picks of how they'll look about the same time as the "good" ones are on their way here. Once I've verified the prototypes are good, I'll get a laser cutting quote and post a price for the kit. :)
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#51 mklotz70

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Posted 18 March 2011 - 08:23 PM

Here's how they came out in the black zinc. Tomorrow's my friday...I'm planing on fixing the CAD art over my weekend and submitting it monday.

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#52 thisismatt

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Posted 18 March 2011 - 08:33 PM

What's to fix? Those look great!

edit: Oh, I see. They still look good!
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#53 mklotz70

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Posted 18 March 2011 - 08:38 PM

The two closer holes(top in the pic) for the strut mount are opened up a bit to compensate for not being spaced right. I just wanted to see how they'd look with the plating on them :) Unless I order a whole lot of these brackets, I'm not sure I'll have them plated in the kit.
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#54 mklotz70

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Posted 20 March 2011 - 05:28 AM

Looking for a second...actually third opinion...

I can either go with the allen bolts and lock washers under the head or longer bolts with lock washer and nut on the backside. It's not like it's going to affect the price.

Thoughts? Preference?

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Just a shot of the "oops". I could probably elongate the hole on the mill, but I think I'll just have them recut. Besides....I found that my caliper holes are off slightly too.....what the heck?! Either I measured wrong or I did the CAD wrong....either way, I'll get it tweaked and submitted for a quote this week. :)

Posted Image
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#55 DRIVEN

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Posted 20 March 2011 - 08:33 AM

Personally, I would be plenty comfortable with just the lock washer under the head and no nut. A touch of lock-tite would eliminate any chance of back-out. If shearing is the concern, the nut isn't going to matter. Keep us posted...and thanks.

#56 mklotz70

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Posted 20 March 2011 - 08:48 AM

I just finished modifying the art...again....and I've emailed it to my cutter. I'm going to email the art to the laser guys too and get a quote on having them cut. Since I'm going to meet the min order with them for these, I may just have them do some 411 brackets too :)
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#57 yello620

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Posted 20 March 2011 - 10:45 AM

Mike, i think that the allen head bolts look the cleanest, and are plenty strong without the nut, but my concern would be of guys that only have allen wrenches to tighten them, I would bt that these need more torque than most of those can provide. A allen socket would be needed.

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#58 mklotz70

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Posted 20 March 2011 - 10:51 AM

Good point. It is an 8mm allen...those are usually at least 6 inches long....a box end can add some leverage :) You'd think someone doing a brake upgrade would have some tools, but........ I'll have to think about that a bit. I didn't worry about it on the 411 kits....they've got allens too.

I'd have gone with hex head, but there's clearance issues.
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#59 mklotz70

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Posted 20 March 2011 - 09:02 PM

I modified the artwork a bit. At first it was just to move the holes, but while I was looking at one of the mounted brackets, I decided to thicken up the arc.

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So, this is basically what the kit is going to look like, but the plating is misleading. I don't really plan on plating any future kits. I'd have to do over a hundred 1200 kits(200 brackets) to reach the weight minimum on the plating to make it worthwhile....or, plate them at the same time I'm doing truck kits. I doubt there will be many times when they both get done together and I don't want to push the kit as a plated kit.

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I spent a bit of time on the brackets I just got...the ones I had the hole in the wrong place on. The hole needed to be about .050" in toward the center. I figured out how to hold the bracket in the vise. More importantly, I found that I had an end mill that was just the right size!!! I was able to slot the hole. By slotting it, it doesn't wander in/out any more than the other holes. The up/down direction is held by the other bolt. With the bracket bolted on and the bolts just slightly loose, the bracket does not move around anymore than the plated brackets. I was surprised that it felt so good. I can probably hold even tighter tolerances on the next batch(if I got the holes right!) but I wouldn't call these sloppy. Anyway....I think you can just make out in the pics that it wasn't much of a slot. :) These brackets are available, although at the moment, I only have enough bolts for two kits.

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I hesitate to put a price out there without knowing just what the laser cut brackets are going to cost, but this is what I'm thinking....

The kit with the plain brackets like the last pics, the bolts, washers, loctite will be $55 shipped.

If everyone says they want them plated, it will be $65. I may have a batch plated if the timing works out with a batch of truck kits, but don't plan on it.

Since these brackets are usable, but slotted(and I hate to waste them), I'll sell the 6 kits for $40 each, shipped. Yes, they come with the bolts, washers, loctite. It will probably take me about a week to get the bolts in. Let me know what you guys think. I'm trying to keep the price down, but still make it worth my while. :)
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#60 Ron1200

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Posted 20 March 2011 - 09:15 PM

Could you please include me on your list for a set?
Thanks
Ron in Olympia