![]() |
![]() |
#126 |
Registered User
Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Change out the MC
Bleed as required Start a new thread |
![]() |
![]() |
![]() |
#127 |
Registered User
Join Date: Apr 2013
Location: GUNTERSVILLE
Posts: 621
|
Re: First hand experience with changing to the NBS master cylinder WOW!
FYI Tried this on a 1993 Suburban with the large 4 wheel anti-lock module and it would require pretty serious line bending. I think it would ended up crimping the line. I think it would be simpler to just make new lines between the proportioning valve and the MC.
My MC gave up and I had to replace it so I can go a trip. So I went back with a replacement unit. Will look at this latter when I have time. |
![]() |
![]() |
![]() |
#128 | |
Registered User
Join Date: Mar 2015
Location: Essington, Pennsylvania
Posts: 4
|
![]() Quote:
|
|
![]() |
![]() |
![]() |
#129 |
Registered User
Join Date: Mar 2015
Location: Gilbert AZ
Posts: 26
|
Re: First hand experience with changing to the NBS master cylinder WOW!
I am doing the NBS MC swap this weekend. It looks fairly easy. I am hoping it looks as easy as everyone says it is. Can't wait to see if this actually helps on this truck.
How do I find out for sure if I have the light duty 3/4 ton? Mine is a 89 and has the 2500 side moldings, but when I run the codes in the glove box I don't have a F44. Mine is a 6 lug also. |
![]() |
![]() |
![]() |
#130 |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,720
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Look at the GVW on the door plate.
__________________
-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
![]() |
![]() |
![]() |
#131 | |
Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Quote:
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
|
![]() |
![]() |
![]() |
#132 |
Registered User
Join Date: Mar 2015
Location: Gilbert AZ
Posts: 26
|
Re: First hand experience with changing to the NBS master cylinder WOW!
|
![]() |
![]() |
![]() |
#133 |
Registered User
Join Date: Sep 2005
Location: Richmond, VA
Posts: 66
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Bumping this thread for reference as my 96 K1500 Burb is going under the knife for significant brake, steering and suspension upgrades in a coupla weeks.
Looks like I am gonna pick up a NBS MC...
__________________
Wow, my sig was old... None of the vehicles listed even exist anymore. Here is the current fleet: DD/Commuter - 1998 VW Jetta, debadged and dressed up like a Wolfsburg Edition 2.slow, 5-speed The Big Girl - 1996 K1500 Burb, 193+K, unrebuilt everything, second owner, every receipt since purchase including Window Sticker. |
![]() |
![]() |
![]() |
#134 |
Registered User
Join Date: Nov 2009
Location: Belleville, Michigan
Posts: 32
|
Re: First hand experience with changing to the NBS master cylinder WOW!
WOW, I just did the swap on my 95 K1500 Suburban and this thing has never had brake's this good, I can't believe the difference.
__________________
Rick ![]() 69 SWB Project 95 Suburban Daily Driver 47 Flxible Motor Home 427 GMC 4spd Allison 71 C-10 LWB 307/350 (parted out) 64 SWB Custom Cab 283 powerglide (sold) 2000 Yamaha Venture |
![]() |
![]() |
![]() |
#135 |
Registered User
![]() Join Date: Oct 2007
Location: pittston,PA
Posts: 1,183
|
Re: First hand experience with changing to the NBS master cylinder WOW!
night and day difference. now towing trailer will be a lot more safe.
__________________
There is nothing you can't fix with a BFH or a FIRE WRENCH. 1997 chevy k1500 ext cab z71 (daily driver) sold 1996 chevy k1500 reg cab 4x4(daily driver)totaled 2008jeep patriot (wife's daily driver 2008 chevy 1500 ext cab 4x4 sold 2011 chevy 1500 crew cab ltz (daily driver) 1996 chevy 1500 reg cab 4x4 project sold 2006 pontiac grand prix gxp (daily work commuter) |
![]() |
![]() |
![]() |
#136 |
Registered User
Join Date: May 2015
Location: Pennsylvania
Posts: 3
|
Re: First hand experience with changing to the NBS master cylinder WOW!
I am following everything you said in this post, however I have a question. Can I just run the lines in a 90 degree bend to ports closest to each other? Only reason I ask is I couldnt get my lines to stretch without messing them up. The only thing I dont know is if the front and rear port of the master put out the same pressure and volume.
|
![]() |
![]() |
![]() |
#137 |
Registered User
Join Date: Aug 2012
Location: Northeast KS
Posts: 1,777
|
Re: First hand experience with changing to the NBS master cylinder WOW!
speedy, did you ever swap lines to see if it made any difference?
__________________
1999 GMC Suburban K2500 SLT, 454/4L80E 1991 Z/28, 6.0L/T56 1949 GMC 250, S10 Frame, 6.0L/4L80E Instagram @aceshighspeedshop |
![]() |
![]() |
![]() |
#138 |
Registered User
Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
|
Re: First hand experience with changing to the NBS master cylinder WOW!
No I completely forgot. Man I don't know if I want to have to bleed the thing all over again. I'll post up if I do it.
|
![]() |
![]() |
![]() |
#139 |
Registered User
Join Date: Aug 2012
Location: Northeast KS
Posts: 1,777
|
Re: First hand experience with changing to the NBS master cylinder WOW!
no worries, i've got to put some new wheel cylinders on my pickup, so i'm going to do the mc at the same time. just thought i would see if you ever tried it!
__________________
1999 GMC Suburban K2500 SLT, 454/4L80E 1991 Z/28, 6.0L/T56 1949 GMC 250, S10 Frame, 6.0L/4L80E Instagram @aceshighspeedshop |
![]() |
![]() |
![]() |
#140 |
Registered User
Join Date: Nov 2015
Location: Cailfornia
Posts: 284
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Hey guys I just got done with the GMT800 MC swap and I also took the opportunity to install 02 knuckles and rotors/ calipers (to fit under my stock 16" Alcoa wheels). New drums, shoes, and stock replacement wheel cylinders out back. The dead spot does seem reduced, but I'm not 100% sure the braking significantly improved. As others have stated, the GMT800 MC has a smaller bore size so you have to push harder on the pedal even though the pedal is firmer. Anyways, I'm still not satisfied with the brakes even after all this work (reaming the GMT800 knuckles was kinda a pita). Am I correct that converting to hydroboost is my last option? I wish there was a GMT800 master cylinder that had a slightly larger bore size. My truck is a 2000 Z71 Tahoe (old body style).
|
![]() |
![]() |
![]() |
#141 |
Registered User
Join Date: Feb 2014
Location: Texas
Posts: 58
|
Re: First hand experience with changing to the NBS master cylinder WOW!
I've done this swap on my GMT400 99 3/4 ton, it was simple and I noticed an improved pedal feel and quite a bit better panic stop feeling. Houston traffic sucks. Before, during a panic stop I felt like the pedal was darn near bottomed out and I wasn't going to stop in time, the few panic stops I've done since the swap felt much much safer. I'm very happy with the GMT800 Master so far, my only regret is not doing it sooner. (I had it sitting around for 2+ years before finally doing it)
Next step for me is GMT800 Front and rear disk swap with stock GMT800 calipers, disks, and pads, but I still need to get and modify GMT800 knuckles to fit my truck, and get new tires for my 6 lug wheels (I'll be going from 8 lug to 6 lug)
__________________
1991 C1500 ECSB - 5.3 LS 4L80E 14bsf - Gone but not forgotten 1999 C2500 GMT-400 Crew Cab Short Bed - 6.0 LQ4 - 4L85E 2003 Denali XL - Wifeys Ride 2008 K2500HD Duramax Sierra Crew Cab Short Bed - Daily |
![]() |
![]() |
![]() |
#142 | |
Registered User
Join Date: Nov 2015
Location: Cailfornia
Posts: 284
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Quote:
|
|
![]() |
![]() |
![]() |
#143 |
Registered User
Join Date: Nov 2015
Location: Cailfornia
Posts: 284
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Also - reaming out the GMT800 knuckles is a huge PITA! If you would like to use my tool (I only used once), let me know and you can borrow it! I also have some tips on how to make the reaming easiest... you'll want to use an air ratchet with the knuckle mounted in a vice. Get an old or new GMT400 upper and lower balljoint handy to test fit as you go along. Both the upper and lower balljoint holes will need reaming. The reaming tool in a socket in conjunction with the air ratchet was definitely the best method I found...
__________________
77 C10 Silverado SWB - LS Swap, mechanical resto-mod 05 Z71 Silverado RCSB - 5.3L LM7, 76mm turbo, 4L80e |
![]() |
![]() |
![]() |
#144 |
Registered User
Join Date: Mar 2015
Location: Alexandria, Louisiana
Posts: 2
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Sorry to drag this thread back up, so please forgive me. I've searched many threads on many forums about this swap and I'm still getting kind of confused on which MC I should be looking at.
I have a 95 K2500 with the 5.7. I'd like to do this swap on my truck but I'm not sure with NBS Master Cylinder should I be looking at to to replace it. I'm not looking to go to hydro-boost and I plan on keeping the setup as it currently is, vacuum assisted. I've found conflicting issues in various places on whether I should get a 1500 4x4 Master Cylinder from an NBS as the 3/4 ton trucks and up were hydro boost on some models. Or I should look into a 2500 master cylinder. Can anyone tell me definitively which one I should look into getting? |
![]() |
![]() |
![]() |
#145 | |
Registered User
Join Date: Feb 2014
Location: Texas
Posts: 58
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Quote:
__________________
1991 C1500 ECSB - 5.3 LS 4L80E 14bsf - Gone but not forgotten 1999 C2500 GMT-400 Crew Cab Short Bed - 6.0 LQ4 - 4L85E 2003 Denali XL - Wifeys Ride 2008 K2500HD Duramax Sierra Crew Cab Short Bed - Daily Last edited by Chris95GT; 02-03-2016 at 04:23 PM. |
|
![]() |
![]() |
![]() |
#146 | |
Registered User
Join Date: Nov 2015
Location: Cailfornia
Posts: 284
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Quote:
__________________
77 C10 Silverado SWB - LS Swap, mechanical resto-mod 05 Z71 Silverado RCSB - 5.3L LM7, 76mm turbo, 4L80e |
|
![]() |
![]() |
![]() |
#147 | ||
Registered User
Join Date: Jan 2006
Location: Smithfield, VA
Posts: 1,501
|
I showed you what they looked like and listed the part numbers
Quote:
Quote:
|
||
![]() |
![]() |
![]() |
#148 |
Registered User
Join Date: Mar 2015
Location: Alexandria, Louisiana
Posts: 2
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Thank you all who responded. You guys rock
![]() |
![]() |
![]() |
![]() |
#149 |
Registered User
Join Date: Jun 2011
Location: Marion, NC
Posts: 851
|
Re: First hand experience with changing to the NBS master cylinder WOW!
Gotta put this on the to-do list!
![]() |
![]() |
![]() |
![]() |
#150 |
Registered User
![]() Join Date: Oct 2007
Location: pittston,PA
Posts: 1,183
|
Re: First hand experience with changing to the NBS master cylinder WOW!
I used a 2500 nbc on my 97 1500. no issues. I think the 2500 mc is the better option. I have better pedal feel in normal driving and panic stops. as far as the pressure feel of the pedal it is not hard to get it to stop. my wife loves how the brakes feel because they use to scare her before but now she feels much safer driving the truck. not good for me because now she wants to drive the truck. gotta take the good with the bad
![]()
__________________
There is nothing you can't fix with a BFH or a FIRE WRENCH. 1997 chevy k1500 ext cab z71 (daily driver) sold 1996 chevy k1500 reg cab 4x4(daily driver)totaled 2008jeep patriot (wife's daily driver 2008 chevy 1500 ext cab 4x4 sold 2011 chevy 1500 crew cab ltz (daily driver) 1996 chevy 1500 reg cab 4x4 project sold 2006 pontiac grand prix gxp (daily work commuter) |
![]() |
![]() |
![]() |
Bookmarks |
Tags |
1988-1999, brakes, mushy, obs |
|
|