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11 3/4 " brake rotors ? #2976350
10/20/21 03:14 AM
10/20/21 03:14 AM
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s. e. pa.
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calrobb2000 Offline OP
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calrobb2000  Offline OP
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hi
where can i get replacement rotors that are a little lighter in weight than a stock one as the ones i have are about 25 bs each . 11 3/4"

just looking to up grade the brakes and maybe loose a few lbs. ?

got some new ones 10 1/2/ in and they weighed same as 11 3/4" ones ???? 3750 lb



thank you !

Last edited by calrobb2000; 10/25/21 03:06 AM.
Re: 11 3/4 " brake rotors ? [Re: calrobb2000] #2976355
10/20/21 05:07 AM
10/20/21 05:07 AM
Joined: Apr 2011
Posts: 1,520
West Palm Beach, Florida
Copper Dart Offline
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West Palm Beach, Florida
Dr Diff sells them, you might give him a call and ask if he'll weigh one for you. You might have someone with a lathe cut them down a bit too but it would seem a bunch of work for little gain. twocents
Copper


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Ricky Valdes
Re: 11 3/4 " brake rotors ? [Re: Copper Dart] #2976451
10/20/21 12:10 PM
10/20/21 12:10 PM
Joined: Sep 2003
Posts: 19,239
north of coder
moparx Offline
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if all out race car is not in your future, cutting stock rotors is a waste of time and money in my opinion.
if better stopping power is your goal, it would be better money spent if one perused the different pad material available, then select what suits your driving style best.
just my opinion, your mileage will vary.
beer

Re: 11 3/4 " brake rotors ? [Re: moparx] #2976584
10/20/21 06:42 PM
10/20/21 06:42 PM
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nowhere
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Sniper Offline
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Closest your going to find is a set of drilled and slotted ones though not sure the weight savings is much. RockAuto has them. Weight not listed though, 79 Cordoba is the application.

Re: 11 3/4 " brake rotors ? [Re: Sniper] #2976793
10/21/21 12:09 PM
10/21/21 12:09 PM
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West Coast, USA
jbc426 Offline
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Originally Posted by Sniper
Closest your going to find is a set of drilled and slotted ones though not sure the weight savings is much. RockAuto has them. Weight not listed though, 79 Cordoba is the application.


Great info here. Thanks!

Also, Firm Feel sells really good pads for Mopars. I run them on both my Mopars with the 11 3/4" rotors.


1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
Re: 11 3/4 " brake rotors ? [Re: jbc426] #2976975
10/21/21 08:32 PM
10/21/21 08:32 PM
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Someplace you aren't
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SomeCarGuy Offline
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Someplace you aren't
A ‘76 Fury has the 11.75 rotors too. Used to be a good swap, maybe other this are better now? The adapters are hard to find. I thought Andy f was making them though.


I want my fair share
Re: 11 3/4 " brake rotors ? [Re: SomeCarGuy] #2977001
10/21/21 09:17 PM
10/21/21 09:17 PM
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Oregon
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AndyF Offline
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Oregon
Originally Posted by SomeCarGuy
A ‘76 Fury has the 11.75 rotors too. Used to be a good swap, maybe other this are better now? The adapters are hard to find. I thought Andy f was making them though.


Doctor Diff sells the 11.75 adapters

Re: 11 3/4 " brake rotors ? [Re: Copper Dart] #2977427
10/22/21 10:54 PM
10/22/21 10:54 PM
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s. e. pa.
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calrobb2000 Offline OP
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dr diff does not answer phone calls !

sent an e mail NO reply !

Re: 11 3/4 " brake rotors ? [Re: calrobb2000] #2977746
10/23/21 10:20 PM
10/23/21 10:20 PM
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Posts: 8,016
Polson, MT
DoctorDiff Offline
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DoctorDiff  Offline
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Polson, MT
I received your Email at 2 AM and replied the same day.

Re: 11 3/4 " brake rotors ? [Re: DoctorDiff] #2977810
10/24/21 10:10 AM
10/24/21 10:10 AM
Joined: Jan 2003
Posts: 74,907
U.S.S.A.
JohnRR Offline
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JohnRR  Offline
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Originally Posted by DoctorDiff
I received your Email at 2 AM and replied the same day.


You weren't up answering emails at 2 am , how dare you sleep ...


running up my post count some more .
Re: 11 3/4 " brake rotors ? [Re: JohnRR] #2977873
10/24/21 01:08 PM
10/24/21 01:08 PM
Joined: Sep 2003
Posts: 19,239
north of coder
moparx Offline
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i don't sleep at night............i'm a vampire............. devil whistling biggrin
beer

Re: 11 3/4 " brake rotors ? [Re: JohnRR] #2977886
10/24/21 02:31 PM
10/24/21 02:31 PM
Joined: Dec 2004
Posts: 10,550
Rittman Ohio
fourgearsavoy Offline
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Rittman Ohio
Originally Posted by JohnRR
Originally Posted by DoctorDiff
I received your Email at 2 AM and replied the same day.


You weren't up answering emails at 2 am , how dare you sleep ...


3 hour time difference shruggy

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: 11 3/4 " brake rotors ? [Re: fourgearsavoy] #2977896
10/24/21 03:51 PM
10/24/21 03:51 PM
Joined: Oct 2003
Posts: 3,999
South Park, Pa.
68LAR Offline
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68LAR  Offline
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South Park, Pa.
I have 11 3/4 rotors. Got the brackets from DrDiff. No difference in braking. Waste of time and money. Will go back to the 10 1/2 needed.


4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
Re: 11 3/4 " brake rotors ? [Re: 68LAR] #2978061
10/25/21 03:03 AM
10/25/21 03:03 AM
Joined: Jan 2003
Posts: 1,979
s. e. pa.
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calrobb2000 Offline OP
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yea ;

i have a cuda power brake and a valiant non power disc and i like the pedal feel on both better than the 11 3/4 belvedere so far .

cuda 3650 lb val 3250 lb both stop good .

maybe i need to change mc from 15/16 ? works like power brake just a little more pedal movement than i like .

Re: 11 3/4 " brake rotors ? [Re: 68LAR] #2978121
10/25/21 09:29 AM
10/25/21 09:29 AM
Joined: Jan 2005
Posts: 4,368
Michigan
MarkZ Offline
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Michigan
Originally Posted by 68LAR
I have 11 3/4 rotors. Got the brackets from DrDiff. No difference in braking. Waste of time and money. Will go back to the 10 1/2 needed.


There has to be more to it. I made the exact same swap on my porker of a car and it made a fairly noticeable improvement.


1987 Fifth Avenue - 512/518/D60






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