Rear LT1 Brake Upgrades
#1
Rear LT1 Brake Upgrades
What is everyone running for upgraded brakes on the rear of a LT1? LS1 rear calipers/pads? Anything else? C5? My car is a street car, so I don't really need to worry about making sure they'll clear 15" wheels (though it'd be nice in case I ever went down that road in the future). I have 2 sets of 17" wheels. (chrome ZR1s and gray factory ZR1s)
I have GM DuraStop slotted rotors on the front w/ DuraStop pads. Factory style rotors/pads on the rear. I was mounting up a new set of Drag Radials today and noticed my rear pads were getting down there so I was considering upgrading my rear brake setup over the winter. I would like to upgrade my front as well and I DO realize that I will see more benefit for upgrading the front.
I have GM DuraStop slotted rotors on the front w/ DuraStop pads. Factory style rotors/pads on the rear. I was mounting up a new set of Drag Radials today and noticed my rear pads were getting down there so I was considering upgrading my rear brake setup over the winter. I would like to upgrade my front as well and I DO realize that I will see more benefit for upgrading the front.
#2
Re: Rear LT1 Brake Upgrades
Front brakes do the majority of work on the LT1; focus on improving the fronts. A more agressive brake pad is the first step but usually comes with more dusting and noise. LS1 setup from the front is modest in price and works well.
#3
Re: Rear LT1 Brake Upgrades
Originally Posted by 6SpdLT1Z
I would like to upgrade my front as well and I DO realize that I will see more benefit for upgrading the front.
#4
Re: Rear LT1 Brake Upgrades
The ls axles are a little bit longer (appx 1/4") than the LTs so to do an LS rear swap correctly, you need longer axles or need spacers on the axle housing to offset the bracket. P-brake cables are also different. As far as C5 rears, I am assuming they are pressure cast like the C5 fronts, other than rotor width, they are identical to LS.
When I did the LS swap awhile back, I opted to not do the rears as the improvement in rotor/caliper for the LS over LT is minimal. The C5 front will not fit under the 16" wheels, where the LS front will. I believe that both LS and C5 rear will fit 16" wheels but not sure about 15". Another reason I opted to keep LT rears is since they do not have the shoe style p-brake, they are lighter.
This guy has a good summary: GM Brake Upgrade Option Measurements - Thirdgen F-body Brake Upgrade | Luke Skaff
When I did the LS swap awhile back, I opted to not do the rears as the improvement in rotor/caliper for the LS over LT is minimal. The C5 front will not fit under the 16" wheels, where the LS front will. I believe that both LS and C5 rear will fit 16" wheels but not sure about 15". Another reason I opted to keep LT rears is since they do not have the shoe style p-brake, they are lighter.
This guy has a good summary: GM Brake Upgrade Option Measurements - Thirdgen F-body Brake Upgrade | Luke Skaff
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