[Stealthsr71]

Howdy forum members. Need an assist here.

went for the rear disk conversion and I’m stumped.

FTC1740 stub axle
FTC942 hub assy
RTC3429 bearings

i went with everything from the book. No funky conversion.

when I button the hub up I get to the 11th thread on the stub and tightened so I know it’s seated where it needs to be.

I did use the aftermarket caliper bracket FTC3306 with AP calipers.

when I try to get the caliper on, I’m off by a min 1/4 inch. Seems I would have to thin the caliper bracket down.

Running with EBC rotor and pads as I got a good deal.

what am I missing here? See pics. Any insight would be great.

 

[Naplm00]

Are those front or rear rotors?

 

[Stealthsr71]

Rear Rotors.

from what I see on Internet the rotor should be 70mm thick.

rotor is actually 64mm. The 6mm seems to be what I’m off.
Can anyone confirm the rotor is 70mm thick.

 

[Red90]

As above, what is the part number of the rotor? They should the same as the fronts (LR017951 FTC3846 BR1792R) with a 70.1 mm width. If you used Disco/D90 ones or later 110 ones, the width is wrong.

 

[Red90]

Rear Rotors.

See above. Front and rear should be the same for a 110. What exactly did you buy?

 

[Stealthsr71]

I revised my post to explain the rotors supplied by EBC are only 64mm thick, not the 70.1 leaving me short of the bracket. Answered me own problem.... just sucks when everything is apart and waiting on parts again.

 

[Naplm00]

Lol I'm still confused

 

[Red90]

I revised my post to explain the rotors supplied by EBC are only 64mm thick, not the 70.1 leaving me short of the bracket. Answered me own problem.... just sucks when everything is apart and waiting on parts again.

Is there a part number on the box that EBC sent? Sounds like you got Disco/D90 rears. These are also a smaller diameter, 290 versus 298. I would be checking the caliper part numbers as well.

 

[Stealthsr71]

I ordered the right calipers. It’s simply the rear rotor is too thin at 64mm. I took the front rotor off and slapped it in the rear and everything fits. My new rotors in the front fit well.

 

[Red90]

I would run with those. They look in good shape. The drilled and slotted rotors won't do anything useful other than reduce pad life.

 

[Naplm00]

So was the ebc rotor mismanufactured?

 

[Red90]

So was the ebc rotor mismanufactured?

I'm pretty sure it is a Disco/D90 rear rotor. They are 12.5 mm thick and you can see it is narrower. Either they sent/packaged the wrong part or the wrong one was ordered.

 

[vern]

But it fits fine on the front? And the old front one fits fine om the back now? Strange

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[Red90]

It does not fit on the front. The new fronts are vented. In a stock 110 before around 99 the front and rear discs are the same as long as the fronts are not vented.

 

[vern]

It does not fit on the front. The new fronts are vented. In a stock 110 before around 99 the front and rear discs are the same as long as the fronts are not vented.

Ah yes, i didn't see that he had upgraded the fronts to vented, hence using the old front rotor on the back. I thought he meant the new rear rotor fit the front well.

I've fallen victim to the d90 rear rotor trick before. Also the change in offset of the 110/130 rear rotors which from memory was about in 96 or 98?

Sent from my SM-A526B using Tapatalk

 

[Stealthsr71]

Got it all done and wow what a difference. I can stop without having to downshift. Stops pretty solid.

 

[Z.G]

Ah yes, i didn't see that he had upgraded the fronts to vented, hence using the old front rotor on the back. I thought he meant the new rear rotor fit the front well.

I've fallen victim to the d90 rear rotor trick before. Also the change in offset of the 110/130 rear rotors which from memory was about in 96 or 98?

Sent from my SM-A526B using Tapatalk

98 is when they changed. Ironically, you need the 99+ version to do the D1/D90/RRC rear brake upgrade