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Post by northerntoy on Aug 17, 2004 23:18:38 GMT -5
I was talking to another toyota fanatic in my area and he told me that fj40 rotors which are vented will bolt on to solid axle pick-ups/4runners and that you can use ifs calipers on them. I was just wondering if anyone else has heard of this and what model years do the rotors come off of?
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Post by fourwd1 on Aug 18, 2004 8:15:59 GMT -5
Yeah, I've done several. Do a search on the subject, there are already several threads on the subject.
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Post by DeadlyPeace on Aug 18, 2004 14:29:00 GMT -5
You'll need the larger Land Cruiser vented rotors. These rotors will fit 79-85 Toyota Pickup/4Runner front axles. 1986-1995 IFS front calipers will bolt right onto the 1979-1985 solid axle knuckle.
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toyoda
New Member
http://www.nowhitefenders.com
Posts: 17
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Post by toyoda on Aug 28, 2004 0:57:51 GMT -5
78 FJ60 rotor matched with 92 V6 calipers. ohh and an FJ80 non ABS master....  |
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Post by fourwd1 on Aug 30, 2004 9:30:10 GMT -5
Actually, a 78 LC rotor will work only if you are using a 79-80 mini truck axle. If you are using a 81+ axle you need an 81+ LC rotor. Toyota changed the way the rotor bolts to the hub starting in 81, on both the mini and the LC.
Changing the MC isn't always necessary. I run the stock 4 cyl MC on both of mine and the brakes work great.
You can always swap in a 6 cyl mini or LC MC later if you feel the need.
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madscientist
New Member
Those that know me dont need to ask, those that dont are better off not knowing
Posts: 28
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Post by madscientist on Sept 17, 2004 21:37:52 GMT -5
Just wondering, how much of an improvement is this? Vented rotors, obviosly, but are the calipers replaced just because of rotor thickness, or is there an advantage to this over the stock calipers? I am seriously going to need to upgrade the fronts, and already planned on switching to a GM crossover M/C, along with a 1/2 or 3/4 ton booster, but hadnt looked into the calipers and rotors yet. Fabricating and machining isnt a problem for me. Anyone got any other ideas? and yes, I do believe in overkill, especially with safety
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Post by fourwd1 on Sept 20, 2004 14:12:54 GMT -5
You have to use IFS calipers because of the the thicker vented rotor.
If you use IFS calipers for a V6 truck you'll get added stopping power as they have 4 large pistons, compared to the 2 large/2 small the IFS 4 cyl and solid axle calipers have.
Swapping the MC isn't alwys necessary, I'm running the stock MC with the rotor/caliper swap on both my trucks.
I have no trouble stopping my 4Runner on 36's with the rotor/6 cyl caliper swap up front and an IFS axle which has larger drums, swapped on the rear.
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madscientist
New Member
Those that know me dont need to ask, those that dont are better off not knowing
Posts: 28
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Post by madscientist on Sept 20, 2004 14:41:53 GMT -5
The main reason why I plan on swapping in the GM M/C is to seperate the hydraulic circuits to LF-RR and RF-LR, that way, if a line gets ripped off, etc. I will still have 1 front and 1 rear brake working, rather han losing both rear, or both front Of course, upgrading to a M/C with a larger bore is also a plus  |
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