rear disk conversion

Tigger · Post by **Tigger** » Thu Jul 28, 2005 11:58 am

Help!!!!! has anyone done this to a 2gn?
I can get alll hardware from an R/T real cheap. but not sure if i need to change master cylinder or if there is a propotioning valve or anything else. help please I want to get rid of those ugly/throwback drums soon.
Thanks

Frizbe · Post by **Frizbe** » Thu Jul 28, 2005 12:16 pm

nope all you need is the rear disc assembly and ebrake cables.

Baal · Post by **Baal** » Thu Jul 28, 2005 1:28 pm

i've been trying to find a totaled 2nd gen with rear disks for a looooong time

BlackRoseRacing · Post by **BlackRoseRacing** » Thu Jul 28, 2005 4:30 pm

Proportioning valves and master cylinders have ALWAYS been different on a car with or without rear disc. Its not a bolt in unless you are able to install some type of rear proportioning valve to control the pressure to the rear disc brakes......
If I remember correctly, disc brakes use less pressure than drum...but I could be wrong....

dawm · Post by **dawm** » Thu Jul 28, 2005 5:08 pm

the 2gn rear rotors are the same a 1g rotors (i just replaced mine, same part #s)

Tigger · Post by **Tigger** » Thu Jul 28, 2005 6:32 pm

Hey guys thanks for the input. There is a salvage yard here in Tucson pulling everything off of an 03 rt (same car my sides came from) for me. I'm gonna replace it all just to be safe. Still if anyone has done this before let me know.
Thanks

half_twisted · Post by **half_twisted** » Thu Jul 28, 2005 6:54 pm

let us know how it turns out. im looking into that also

Baal · Post by **Baal** » Thu Jul 28, 2005 9:43 pm

BlackRoseRacing wrote:Proportioning valves and master cylinders have ALWAYS been different on a car with or without rear disc. Its not a bolt in unless you are able to install some type of rear proportioning valve to control the pressure to the rear disc brakes......
If I remember correctly, disc brakes use less pressure than drum...but I could be wrong....

thats the first time i hear that, well i think the neon needs a lil bit more rear braking blance.

I feel my front brakes always locks before my rears.

dblsg · Post by **dblsg** » Thu Jul 28, 2005 11:14 pm

Baal wrote:
BlackRoseRacing wrote:Proportioning valves and master cylinders have ALWAYS been different on a car with or without rear disc. Its not a bolt in unless you are able to install some type of rear proportioning valve to control the pressure to the rear disc brakes......
If I remember correctly, disc brakes use less pressure than drum...but I could be wrong....
thats the first time i hear that, well i think the neon needs a lil bit more rear braking blance.

I feel my front brakes always locks before my rears.

i thought all cars did that.....front grab more than the rear

Post by **Diablo0** » Fri Jul 29, 2005 12:09 am

Correct... your front brakes do about 70% of the work stopping the car. Keep in mind, increasing the rear braking power with a proportional valve, if givin the rear to much braking power, when cornering, you are more likely to break the rear end loose and loosing control. Pretty much like if you were to do an eBrake turn.

Baal · Post by **Baal** » Fri Jul 29, 2005 5:25 pm

Diablo0 wrote:Correct... your front brakes do about 70% of the work stopping the car. Keep in mind, increasing the rear braking power with a proportional valve, if givin the rear to much braking power, when cornering, you are more likely to break the rear end loose and loosing control. Pretty much like if you were to do an eBrake turn.

i know, but i still the rear could use a little bit more power.

JeremyJ · Post by **JeremyJ** » Sat Jul 30, 2005 3:44 am

I swapped my rear drums with SRT-4 rear discs and it works fine without any proportioning valve change whatsoever. No problems and no ass-end squirrliness.

Baal · Post by **Baal** » Sat Jul 30, 2005 5:22 am

are Srt-4 rear brakes bigger than the regular neon ones?

i know the front ones are but im not sure about the rear.

BlackRoseRacing · Post by **BlackRoseRacing** » Sat Jul 30, 2005 9:33 am

part numbers are different.....

5085651AA - (non-srt) - 5/16's thick and 10 1/2 diameter

5085652AA - (srt) - a hair under 7/16's thick and 10-1/2 diameter

The only difference is thickness in the rotors.....calipers are also different..but I cant get my hands on them to found out what the difference is....

JeremyJ · Post by **JeremyJ** » Mon Aug 01, 2005 4:23 am

Aside from being powdercoated red, I think they're just a bit wider to fit the slightly wider rotors.