84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

v6 caliper brake upgrade question

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Old Oct 27, 2011 | 05:10 PM
  #21  
patallen's Avatar
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From: Quebec,canada
Originally Posted by rokblok
Thats confusing to me. You said you were only gonna do the calipers/pads. And you wanted more pedal travel so it DID NOT stop like hell as the Beemer does... And now you HAVE replaced the calipers/pads, and it stops like hell AND you still want to do the 1" master cylinder...

I'm lost here.... cause its only going to stop better with less pedal travel once you do the 1" master and bleed it all out good...
you confuse yourself dude, i just asked the clerk to see visualy the MC and what he has in stock, i never said i wanted to do it.
my question remains simple, is there 1inch MC made of iron ? so if i EVER want to do it to not get the same MC that i already have

and btw, the truck wont stop better with the 1inch MC. required effort and pedal travel are the only factors that will get affected if i change the MC size. pure mathematics and semantics.
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Old Oct 27, 2011 | 05:42 PM
  #22  
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From: The Dirty South
Originally Posted by patallen
there is a bit too much pedal travel for now so i will move to a 1 inch MC.
thanks for any other details.
I apologize, I meant pedal effort, not pedal travel..

If you have a larger diameter master, it moves more fluid. Which makes the fluid in the calipers and wheel cylinders move accordingly. It makes the brakes more responsive, meaning it stops easier with less pedal effort. If you applied the same amount of pressure as with a smaller diameter master, you would be applying alot of pressure which could cause lock-up situations.

And you did say you were going with the larger master...

Last edited by rokblok; Oct 27, 2011 at 05:44 PM.
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Old Nov 10, 2011 | 08:25 AM
  #23  
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Anyone know if this would work on a straight front axle? Planning a SAS to my 86 pickup. Thinking it would be good idea to upgrade brakes
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Old Nov 11, 2011 | 08:43 PM
  #24  
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From: The Dirty South
yes. That is what all this talk is about... Upgrading the smaller calipers, booster, and master on the early solid axles, to the larger calipers, dual diaghram booster and one inch diameter master cylinder from the later model IFS trucks...

Your 86 may have some things that you can swap over. You have to do some research on this site and it will tell you years and models that will work.

Last edited by rokblok; Nov 11, 2011 at 08:44 PM.
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Old Nov 19, 2011 | 06:15 AM
  #25  
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I have an 85 and its time for some new rotors and pads. I've read many many posts about upgrading from the solid rotors and small calipers and am confused as to what year rotors and calipers I'll actually need. I'm not looking for the absolute best, just to upgrade to the vented rotors and larger caliper. Would 95 pickup rotors & calipers work? Any help is much appreciated.
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Old Nov 19, 2011 | 10:41 PM
  #26  
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I have an 85 and its time for some new rotors and pads. I've read many many posts about upgrading from the solid rotors and small calipers and am confused as to what year rotors and calipers I'll actually need. I'm not looking for the absolute best, just to upgrade to the vented rotors and larger caliper. Would 95 pickup rotors & calipers work? Any help is much appreciated.
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Old Nov 21, 2011 | 01:27 PM
  #27  
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From: Kentucky
Anybody?
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Old Nov 21, 2011 | 07:56 PM
  #28  
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What worked for me was '83 Land Cruiser FJ60 rotors and calipers and pads for a '90 V6 4Runner. The master cylinder, if you end up desiring to do that, was from Marlin Crawler, I believe the 1" bore meant for '88-'95 4Runners, not the Land Cruiser FJ80. The "standard vented rotors" from Marlin is the proper rotor, too, then you'd just need the V6 4Runner calipers and pads, then master cylinder if you want. Hope that spells it out for you.
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Old Nov 22, 2011 | 02:34 AM
  #29  
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From: Kentucky
Originally Posted by JonnyBoy
What worked for me was '83 Land Cruiser FJ60 rotors and calipers and pads for a '90 V6 4Runner. The master cylinder, if you end up desiring to do that, was from Marlin Crawler, I believe the 1" bore meant for '88-'95 4Runners, not the Land Cruiser FJ80. The "standard vented rotors" from Marlin is the proper rotor, too, then you'd just need the V6 4Runner calipers and pads, then master cylinder if you want. Hope that spells it out for you.
Thank you JohnnyBoy, much appreciated!
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Old Jul 29, 2015 | 11:29 AM
  #30  
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I have a 1986 4x4 IFS pickup 22re and my caliper froze and the rotor looks to be warped.
I was looking to upgrade to a 1995 V6 4Runner Rotor and Caliper set. Would these swap right over to the 1986 (+ trim backing plate) ? i have 15" rims

I DO NOT want to change the Master Cyl or Booster!

Just a simple rotor and caliper swap


Yes or no? Part numbers or correct years that fit?

Last edited by garagespace; Jul 29, 2015 at 04:48 PM.
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Old Aug 1, 2015 | 05:23 PM
  #31  
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osv
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if you have ifs you should probably ask that question in the '86 and later forum.
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