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Old 01-16-2003, 09:56 AM   #1
Bolster
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Arrow MRT Brake Master Cylinder Bracket Installed

I orginally posted this in the suspension/brake forum, but I figured it would be more permanent here:

I installed my MRT brake master cylinder bracket this afternoon. It was not too hard, but I had to really play with things to make it work. Once I took the battery out, moved the washer tank to where the battery was, and removed the fuel filter, I had a lot better access to things. Once I had unbolted the lower A/C line, I started looking to see how it would bolt up. The problem: it just wouldn't! I tried starting the two bolts that face forward (they are the bolts that hold the fuel filter bracket in place), and then I couldn't get any of the rearmost bolts in. So I just tossed it on the drill press and opened up each hole with a 25/64's bit (just larger than 3/8. That did the trick. I got all 4 bolts tightened all the way, which required several different tools to do properly: I have a set of racheting wrenches- used the 10mm wrench for the rearmost bolts and then a flexing 10mm socket on a flexing, stubby rachet to get them snugged all the way.

Once it was in, I drove the car some and noticed a good improvement in feel once the pedal is depressed a bit. Still some sponginess, but I think it was worth the $55 I paid. My recommendation to anyone who wants to do this mod is to be patient, see first if things won't align, and then drill out the holes if you absolutely must. It took me about 2 hours total, but I think I could do it a lot quicker if I had to again. -Bolster
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Old 01-19-2003, 08:24 PM   #2
gossamer_monster
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Thats kinda diappointing.

MRT has said for some time now it is a direct bolt-on for our MY02 (US spec).

Seems it still isn`t right?

I have one I haven`t installed yet. I wonder if I should even bother?


Bill
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Old 01-19-2003, 09:11 PM   #3
Bolster
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I found all the stuff out AFTER I bought it. I even considered selling it, but decided to take the challenge. I also plan on doing a big brake kit in the future and wanted to start with something smaller and cheaper and then work my way up. I'm glad I installed it because a) it did improve brake feel and b) half-way through, the bracket thought I was about to give up and that it had won, but I showed it who was boss. -Bolster
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Old 01-19-2003, 11:55 PM   #4
tdxflex
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it took forever to get mine in, i didn't drill bigger holes, but mine's only held by 2 bolts. no idea how i fit 2 in and the other 2 won't go, but i tried a lot of banging against it and it's not moving anywhere. i think it's worth it, you can also usually find one for around 40 shipped when someone gets too frustrated with theirs. this along with my stoptech ss lines and axxis pads are a huge improvement (tried each one separately) and for the street you probably dont' need any more than that.
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Old 01-20-2003, 12:03 AM   #5
supermarkus
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I had fire up the drill press to slot my bracket about 3mm on each mounting hole to make it fit properly. I tried everything possible to make it fit without cutting it up and it just wasn't possible. Brett swears it's operator error in most cases, MRT doesn't readily acknowledge that there is an engineering problem with the brackets. Heck, mine was even missing the big bolt that butts up against the master cylinder. I know it was only ~40 bucks but it'd be nice to have something that fit without modifications and without missing parts I'm not the only one that this has happend to either.
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Old 01-20-2003, 02:44 PM   #6
teiva-boy
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Hey Mark I was missing bolts too. Brett only offered to tell me what I was missing. But at the same time I bought em from Jamie and the bag was ripped open upon recieving it. Perhaps it's the vendor fault? oh well, I just bought a new bolt, installed it, and went on my way. I didn't feel a damn difference. Looks cool though
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Old 01-22-2003, 09:04 AM   #7
Ferg
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I was missing the long bolt that actually braces the master cylinder, which required trips to a few hardware stores. Other than that it bolted on with no real trouble. I found the included directions to be completely useless and hard to read, bad copy machine I'm guessing...

After about 10k miles opf daily driving with it and some AutoX and track days I would say it definately improved my pedal feel.

...and I bought mine from Jamie as well, who did offer to replace the missing bolt.
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Old 01-22-2003, 09:28 PM   #8
wrxracer
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Talking MRT brake support bracket...

well its been sitting for a couple months, been trying to get all the mods done before spring. so i guess i will give it a shot this weekend...can't hurt any more than trying to get the vishnu pulley and belts on this past weekend...wish me luck
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Old 01-22-2003, 09:54 PM   #9
Natoforces
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I had the exact same experience as Bolster and ended up reaming out one of the holes to get it to fit. During the laborious install I broke one of the bolts off and still haven't drilled it out. Fortunately it was not a critcal bolt and it works fine.

It is definitely a worthwhile endeavor as it markedly improved the pedal feel and eliminated a good deal of the sponginess. This kit is definitely not a direct bolt-on and the instructions leave alot to the imagination.
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Old 02-18-2003, 11:23 PM   #10
MRT Performance
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From recent feedback we have again updated the kit. The bolt holes at the rear have been made larger for easier fitting.

The weird part is I presonally fitted one of the kits in a brand new car whilst in the US....??

Anyway, there may be a chance the chassis holes vary a little from FHI....

re fitting data, if there is a suggestion to make them better, please tell me so we can......improve................them!

Brett Middleton
MRT
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Old 02-19-2003, 12:29 AM   #11
Bolster
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Quote:
Originally posted by MRT Performance
From recent feedback we have again updated the kit. The bolt holes at the rear have been made larger for easier fitting.

The weird part is I presonally fitted one of the kits in a brand new car whilst in the US....??

Anyway, there may be a chance the chassis holes vary a little from FHI....

re fitting data, if there is a suggestion to make them better, please tell me so we can......improve................them!

Brett Middleton
MRT
Brett, Thanks for the update. My biggest gripe was the pictures on the instructions- they were almost impossible to make out. I had an idea of what it needed to look like, and also checked a webpage that had a photo. As for drilling out the holes, it's not the first time I've had to modify a part to fit a car, so I wasn't that upset about it. I'm sure there is some variance in cars, so your comment about holes lining up on one car and not on others is definitely plausible. I know a guy who works as an engineer for Nissan who ran into production variance problems when doing a body kit for the anniversary Maxima; the kits were produced identically, but the cars were not! -Bolster
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Old 02-19-2003, 01:22 AM   #12
MRT Performance
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Thanks for the tip, I will get the staff to check the current fitting data........


Brett
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