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04-14-2008, 07:23 PM
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#1
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Join Date: Jan 2008
Location: Jersey City, NJ
Posts: 622
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Fourth Gen / third gen brakes
Would fourth gen front rotors and pads work with a third gen front brake set up
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1987 IROC-Z L98 T tops
 sold
2001 Pontiac Grand Am SE V6 (currently for sale PM me for details)
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04-14-2008, 07:48 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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Quote:
Originally Posted by JerzyIroc
Would fourth gen front rotors and pads work with a third gen front brake set up
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No, you would have to do an upgrade to 4th gen parts (LS1 front brakes swaps aren't all that uncommon anymore).
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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04-14-2008, 07:50 PM
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#3
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Join Date: Sep 2007
Location: Poconos, PA
Posts: 606
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I didnt think it would work but I couldnt be sure.... If your gonna do a swap like that , Your honestly better off going with ls1 (98-02) calipers/knuckles/lines... what im doing to my lt1 car 
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'96 Z28 Vert M6 - UMI LCA's,UMI SFC's,BMR Panhard rod(soon to be UMI),UMI Short Shifter,Custom clutch, SLP CAI, SLP Strut Brace, Skip Shift Elim, MagnaFlow Catback,160 stat, Tb bypass, Air Foil ,prothane motor mounts & tranny mount, Stainless Radiator Shroud, Hooker headers with magnaflow hiflo cats, brand spanking new tranny, Umi torque arm , C5 brakes all 4 corners .
Soon to come... New paint , and glass .
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04-15-2008, 07:12 PM
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#4
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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you could also do a c5 or c6 upgrade, same amount of work and a little more stopping power.
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Black Girl Live
Last edited by //<86TA>\\; 05-04-2011 at 06:28 PM.
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04-15-2008, 08:10 PM
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#5
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Quote:
Originally Posted by nj96z28
I didnt think it would work but I couldnt be sure.... If your gonna do a swap like that , Your honestly better off going with ls1 (98-02) calipers/knuckles/lines... what im doing to my lt1 car |
4th gen spindles will not work in a 3rd gen.
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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04-15-2008, 09:29 PM
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#6
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Thirdgen brakes suck and there aren't too many options unfortunetly. You can try PM'ing EBmiller88 on tgo and see if he can help you get a 1LE setup. Or go the route of a LS1 or C4 brake upgrade. I believe Hardcore did the C4 upgrade.
LS1 brake Retrofit Supplier
C4 Brake TGO Thread w/ part "brake" down
I made a funny ...
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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04-15-2008, 09:51 PM
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#7
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Join Date: Aug 2004
Location: Hillsborough, NJ
Posts: 2,630
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Close....I upgraded to C5 Z06 binders up front. Very nice mod performance and appearance wise.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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04-16-2008, 10:58 AM
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#8
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Stalker
Join Date: Aug 2004
Posts: 12,082
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the biggest issue is that 3rd gens have the wheel bearings inside the whole front rotor assembly, you have to remove the spindle nut to take off the rotors. In 4th gens, they have a seperate wheel hub and rotor setup, where you can pull the rotors just by unbolting the wheel.
heres the link to hardcorez28s article...
http://www.gmhightechperformance.com...ade/index.html
Last edited by V; 04-16-2008 at 10:58 AM.
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04-16-2008, 12:21 PM
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#9
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Join Date: Jan 2008
Location: Jersey City, NJ
Posts: 622
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ah sweet. ya these brakes suck man. i also need a rear, so i think im just gonna save for a fourth gen rear as well. that way i can do the front brakes, rear disk conversion, and upgraded rear at the same time. im guessing it should be around 400 all together? or am i way off?
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1987 IROC-Z L98 T tops
sold
2001 Pontiac Grand Am SE V6 (currently for sale PM me for details)
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04-16-2008, 01:00 PM
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#10
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Join Date: Jan 2007
Posts: 5,623
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If you want you can upgrade to caprice brakes with out changing the spindle. You'll need caprice calipers and caliper mounting brackets, pads and rotors. you'll also need caprice bearings. Now the bearings on the caprice are bigger in total diameter, BUT the inner ring diameter is identical to .001in. this will give you 12in fronts instead of 11in.
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2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
Last edited by bubba428; 04-16-2008 at 01:08 PM.
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04-16-2008, 01:23 PM
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#11
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Stalker
Join Date: Aug 2004
Posts: 12,082
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Quote:
Originally Posted by bubba428
If you want you can upgrade to caprice brakes with out changing the spindle. You'll need caprice calipers and caliper mounting brackets, pads and rotors. you'll also need caprice bearings. Now the bearings on the caprice are bigger in total diameter, BUT the inner ring diameter is identical to .001in. this will give you 12in fronts instead of 11in.
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um, where do you get your info?? the police package swap works on b/g bodies and also if i'm not mistaken, caprice bolt pattern is 5x5 ....
Last edited by V; 04-16-2008 at 01:23 PM.
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04-16-2008, 08:55 PM
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#12
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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Quote:
Originally Posted by JerzyIroc
ah sweet. ya these brakes suck man. i also need a rear, so i think im just gonna save for a fourth gen rear as well. that way i can do the front brakes, rear disk conversion, and upgraded rear at the same time. im guessing it should be around 400 all together? or am i way off?
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400 for all of that? waaaaaaaaaaaaaaaaaaaaaaaay off. the 4th gen rear would probably cost that, then about 600+ for a LS1 front brake setup, 750 or so for a c5. Unless you search and search and find all the parts used for cheeeep.
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Coach purses
Last edited by //<86TA>\\; 05-04-2011 at 06:28 PM.
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04-17-2008, 05:18 PM
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#13
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14 Second Club
Join Date: Feb 2007
Location: New Milford
Posts: 650
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would i be able to put an ls1 front brake set up on my 80? would the spindles fit? if not are there any other options?
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FAA Airframe and Powerplant Mechanic - Republic Airlines
-1980 Trans Am ZZ383 stroker
-2012 Ford Focus 5spd
-1989 Harley Softail Custom
-2000 Trans Am, M6, WS6 *SOLD* *RIP*
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04-17-2008, 08:08 PM
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#14
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Quote:
Originally Posted by transamkid
would i be able to put an ls1 front brake set up on my 80? would the spindles fit? if not are there any other options?
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Yes, with a 'but'...... It involves modifying your spindles, getting brackets, cutting down old rotors to use as hubs. IIRC, you are making your car a drag car, if so, it would really be overkill. Plus you probably need at least 16" rims. If you are builind a drag car, your front brakes with good pads is pretty good.
Along these lines: http://www.nastyz28.com/forum/showthread.php?t=74546
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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