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Old 05-01-2017, 08:01 AM   #1
WayFast84
 
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Thirdgen LS rear brake swap

I'm putting LS brakes on a 12 bolt designed for a 4thgen into my 84. I planned on getting lines and cables from Flynbye and it seems like a few options might work.

Hard line:
http://flynbye.com/catalog/i215.html

Braided + Axle:
http://flynbye.com/catalog/i193.html

Braided:
http://flynbye.com/catalog/i105.html

Without emailing them and getting upsold which of the three would be what I need? Any other options for this swap besides flynbye?

These are the cables I'd get:
http://flynbye.com/catalog/i153.html
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Old 05-01-2017, 10:19 AM   #2
sweetbmxrider
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What is currently on the rear? Do you have rubber hoses? The hard line and braided hoses are obviously the complete setup, if that is what you need then grab it. You will have to manipulate the hard lines to match the 12 bolt routing and overall length. 4th gen rears wider or narrower? I guess that is the only problem you'd run into. Could make your own lines if you are up for it.
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Old 05-01-2017, 10:59 AM   #3
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Quote:
Originally Posted by sweetbmxrider View Post
What is currently on the rear? Do you have rubber hoses? The hard line and braided hoses are obviously the complete setup, if that is what you need then grab it. You will have to manipulate the hard lines to match the 12 bolt routing and overall length. 4th gen rears wider or narrower? I guess that is the only problem you'd run into. Could make your own lines if you are up for it.
4th gen rear is a little wider (.5"-1" on each side IIRC)
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and once i get PHB, what do i ajust it too?
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Seven.
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Old 05-01-2017, 11:02 AM   #4
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Ah, then I would get 4th gen hard lines with 4th gen hoses. They should be the correct length and have the proper fittings on it. The hose between the rear feed line and rear end should be the same fitting size but might want to google a little first. I would suggest a 3 channel lt1 hose, just check the length is enough.
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Old 05-01-2017, 12:16 PM   #5
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IIRC also, Flynbye takes a while to ship and doesn't answer e-mails.... but has a high quality product.

I bought a full brake line kit for my truck from sstube.com. Very happy with my experience. The tubing is just plain jane 304 stainless, welded, 1/4" OD x .028" wall
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DD- '05 Silverado
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and once i get PHB, what do i ajust it too?
Quote:
Originally Posted by Jersey Mike View Post
Seven.

Last edited by wretched73; 05-01-2017 at 12:17 PM. Reason: plain* not plane
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Old 05-01-2017, 03:54 PM   #6
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A factory spec 4th gen rear is about 2.25" wider per side than a 3rd gen rear. Makes picking wheels very tricky.

Quote:
Originally Posted by wretched73 View Post
4th gen rear is a little wider (.5"-1" on each side IIRC)
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http://www.ctw-motorsports.com
We can fit 275-40-17 tires on your 3rd gen - give us a call!
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Old 05-03-2017, 04:33 PM   #7
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Awesome. Got the cables and hard lines. I'm going to run fourthgen wheels btw.
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Old 05-03-2017, 06:56 PM   #8
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What's the width and back spacing on 4th gen rims? Curious how far they will stick out
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1983 camaro- Scrap
1988 camaro- Current mistake
DD- '05 Silverado
1988 TRX 250R- Ported w/ high compression on 110 octane- Out 60' your LT1

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and once i get PHB, what do i ajust it too?
Quote:
Originally Posted by Jersey Mike View Post
Seven.
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Old 05-04-2017, 08:01 AM   #9
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Just going to run stock salad shooters. I believe there are pics somewhere online.
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Old 05-24-2017, 07:04 AM   #10
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Quote:
Originally Posted by wretched73 View Post
IIRC also, Flynbye takes a while to ship and doesn't answer e-mails.... but has a high quality product.
Still hasn't even shipped yet...
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