Rear Drum Question
There's no issue with the e-brake cable length using the 11x2.5" rear drums. I have 11x2.5" drums on my Challenger, on my Dart and previously used them on my Duster before switching over to rear disks. I used the stock e-brake cables on all them without issue. Obviously you need to re-adjust the e-brake, but there's more than enough adjustment to deal with the minor difference in the size of the drum.
You can't mix and match backing plates, shoes, etc between the SBP 10x1.75" drums and the BBP 10x2.5" drums. The axle flange offset is different. If you have re-driled SBP axles, or the Moser axles that have the SBP axle flange offset (despite have the 5x4.5" pattern) then you have to use 10x1.75" brakes with re-drilled drums.
If you switch to BBP axles (with the BBP axle flange offset) you have to use the 10x2.5" or 11x2", 11x2.5" or 11x3" rear brakes. 10x2.5" and 11x2.5" are most popular. Keep in mind if you just buy a set of 11" backing plates that the backing plates are specific to the shoe width, ie, 11x2" backing plates are different from 11x2.5" backing plates. They have a different offset from the housing because the axle flange offset is the same for all of them.
The 11x2.5" brakes are a pretty significant upgrade from the 10x1.75's. Which is great, but they work best when paired with larger front brakes as well. I use them with the later 11.75" B/R rotors that work with the 73+ BBP spindles. And the really nice thing is that they came on cars and trucks up into the late eighties, so, parts are easy to find. Unlike for the SBP stuff, at least at times.
This is a listing from eBay for a set of used, loaded 11x2.5" backing plates. I've bought from this seller before a few times and haven't ever had an issue with them, they're a good seller.
11 x 2.5 brake plates loaded drum MOPAR DODGE 8 3/4 8.75 new yorker 8 9 1/4 used | eBay
There's no issue with the e-brake cable length using the 11x2.5" rear drums. I have 11x2.5" drums on my Challenger, on my Dart and previously used them on my Duster before switching over to rear disks. I used the stock e-brake cables on all them without issue. Obviously you need to re-adjust the e-brake, but there's more than enough adjustment to deal with the minor difference in the size of the drum.
You can't mix and match backing plates, shoes, etc between the SBP 10x1.75" drums and the BBP 10x2.5" drums. The axle flange offset is different. If you have re-driled SBP axles, or the Moser axles that have the SBP axle flange offset (despite have the 5x4.5" pattern) then you have to use 10x1.75" brakes with re-drilled drums.
If you switch to BBP axles (with the BBP axle flange offset) you have to use the 10x2.5" or 11x2", 11x2.5" or 11x3" rear brakes. 10x2.5" and 11x2.5" are most popular. Keep in mind if you just buy a set of 11" backing plates that the backing plates are specific to the shoe width, ie, 11x2" backing plates are different from 11x2.5" backing plates. They have a different offset from the housing because the axle flange offset is the same for all of them.
The 11x2.5" brakes are a pretty significant upgrade from the 10x1.75's. Which is great, but they work best when paired with larger front brakes as well. I use them with the later 11.75" B/R rotors that work with the 73+ BBP spindles. And the really nice thing is that they came on cars and trucks up into the late eighties, so, parts are easy to find. Unlike for the SBP stuff, at least at times.
This is a listing from eBay for a set of used, loaded 11x2.5" backing plates. I've bought from this seller before a few times and haven't ever had an issue with them, they're a good seller.
11 x 2.5 brake plates loaded drum MOPAR DODGE 8 3/4 8.75 new yorker 8 9 1/4 used | eBay
