Topic: Vented Rotors

[HaloFan1]

I was about to order the vented rotors for my 81 axle when I noticed they were only for a 82-85 axle. How can I use the calipers from my IFS and what type of rotors do I need so that I can use the IFS calipers? What width spacer would you guys suggest also to get the front the same width as the rear? Jeeze I accidently posted this in the wrong section a second ago. hopefully a moderator will delete my topic that is in the wrong section.I tried deleting it but it wouldnt let me.

[brainlessfool]

your IFS calipers should bolt up, just may have to grind a little off the dust sheald. I think it was fj40 rotors I put on my 83, and they should fit your 81 too.

at least I think that's what I was told. 

[HaloFan1 [OP]]

Well I guess I could just order them and see if they will work with my IFS calipers. I'll wait a bit to see if I get any more feedback from soem other guys in here. Thanks for the feed back so far.

[Rockdiver]

I have the FJ40 slotted Calipers on my 85 with Ifs Calipers   Had to Drill out the FJ40 Calipers for the studs  Used the same studs 

[HaloFan1 [OP]]

I'm thinking I might just give the guys at Marlin a call tomorrow to see if they will work with my axle. I really do not see why they wouldnt work. Is there that much difference b/t the 81 and 82 axle? What width spacer do you guys think would make the front of the truck even with the rear?Im thinking the 2in. or 3in.

[brainlessfool]

I belive it's 1.5 per side.

[pickemup81]

does anyone know why that they say to be used on 82-85? just wondering what the difference is.

[86turboyota]

if your rear axle is a stock 81 axle your front and rear are already the same width.. you only need the wheel spacers when you run a 86+ rear end and 85 or earlier front.

[Rockdiver]

My 85 had non vented rotors on it   Like I believe the 82-84 are also. I got the FJ 40 vented rotors They have 6 bolt holes to bolt then on a Fj 40. I had to drill these six holes out to fit over my studs and purchase a set if Ifs Calipers (4 Piston compared to the 2 on the older calipers)

[79coyotefrg]

does anyone know why that they say to be used on 82-85? just wondering what the difference is.

the holes  that bolt the rotor to the truck hub,  79-81  had 6 bolts  that bolted them to the hub, 82-85  had 8 holes,  2  holes  had the bolts, the other 6  the wheel studs went thru

[pickemup81]

So can the be used on the 81 axle still or modified to be used. I just ordered a bunch of stuff to upgrade my brakes and need to know if i have to hunt up a new axle.

[86turboyota]

im using the vented rotors on my 82 axle, and they required no modification....