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06-10-2009, 08:33 PM
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#1
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Join Date: Mar 2009
Location: S. Orange
Posts: 140
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LS1 Brakes?
Hey does any one know if 15" rims or the stock 16" Iroc rims will fit over LS1 rear disk brakes? Thanks.
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06-10-2009, 08:41 PM
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#2
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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most likely will have to be ground down on the calipers
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06-10-2009, 09:42 PM
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#3
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,620
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15" definitly not...
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2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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06-10-2009, 10:39 PM
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#4
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Join Date: Mar 2009
Location: S. Orange
Posts: 140
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so I'd have to grind down the calipers to fit 15's or 16's?
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06-10-2009, 10:40 PM
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#5
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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ls1s came with 16s........
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So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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06-10-2009, 10:44 PM
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#6
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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i have the ls1 brakes on my vert, 15 will not clear at all, 16s barely do but, yes you will have to use 16s to use them.
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87 Trans Am 5.7, Auto, posi disc rear, flowmaster muffler, all org car.
88 Iroc-Z TPI, Cammed 350, Vortex Heads, Magnaflow, T5, 4 Wheel Disc, 3.27 9 Bolt PBR.
91 Trans Am VertTPI 350. 700r4, K&N Air Cone, Ryven Muffler.
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06-10-2009, 10:52 PM
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#7
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9 Second Club
Join Date: Dec 2004
Location: Merchantville
Posts: 518
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15" can clear LS1 brakes, it just depends on the wheel you decide to use. Example Bogart 15" drag race wheels clear with out modding the calipers, they were designed around larger brake designs. Convo Pros also clear without issues.
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Twisted Minds Racing
2000 SS M6
9.71 @ 142
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06-10-2009, 11:30 PM
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#8
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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but as for stock 15s, i think he might be asking. but ehh good info.
__________________
87 Trans Am 5.7, Auto, posi disc rear, flowmaster muffler, all org car.
88 Iroc-Z TPI, Cammed 350, Vortex Heads, Magnaflow, T5, 4 Wheel Disc, 3.27 9 Bolt PBR.
91 Trans Am VertTPI 350. 700r4, K&N Air Cone, Ryven Muffler.
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06-11-2009, 08:31 AM
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#9
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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wouldn't the offset be different as well? the back face of the rim would hit the front face of the caliper.....
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06-11-2009, 06:04 PM
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#10
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Join Date: Dec 2005
Location: Mays Landing, NJ
Posts: 7,108
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Stock 3rdgen 15's won't clear LS1 brakes as far as I know.
http://www.thirdgen.org/techboard/brake-board/
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2010 Infiniti G37x-Moonlight White w/Graphite interior. Stock...for now. Xpel XR Black tint(hey it's a mod lol)
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06-11-2009, 07:13 PM
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#11
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Join Date: Mar 2009
Location: S. Orange
Posts: 140
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I',m looking to run the stock iroc 16's on the street and 15" Weld prostars at the track.
So from what I'm hearing the irocs will clear and some after market 15's might (I'll double check with weld). Cool beans thanks for the help!
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06-11-2009, 07:44 PM
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#12
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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i'd look into it more. 3rd gen and 4th gen rim offsets are different, not sure if it will help or hurt you. i know its doable, don't know if you need spacers though
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06-11-2009, 09:07 PM
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#13
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Join Date: Jul 2005
Location: Williamstown NJ
Posts: 479
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I know for a fact that the stock 16" wheels on the 91-92 camaro clear LS1 brakes. I dont think the factory 15's would though.
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01 GMC Sierra C3 6.0L, AWD, Westers Tune, K&N, Hella LED Tails
03 Pontiac Grand Prix GT, GMPP Handling Kit, LS1 F-Body Brakes
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06-12-2009, 02:00 PM
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#14
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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he's not saying anything about clearance. he's saying that the face of the wheel might be a different offset into the wheel well. its possible that if they do fit you might have problems such as the inside of the wheel smacking something or it not bolting up all together.
torque your wheels too.
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06-12-2009, 02:33 PM
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#15
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Join Date: Jul 2005
Location: Williamstown NJ
Posts: 479
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The way this swap works is you machine down your stock 3rd gen rotors so they basically turn into hubs. You slide the LS1 rotor over the hub. Then finally there is a custom bracket that mounts the LS1 calipers to the dust shield holes in the spindle. The only difference in offset is the rotor thickness. So your wheel will be pushed out about 1/4". Not enough to cause any problems.
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F-Bodyless
01 GMC Sierra C3 6.0L, AWD, Westers Tune, K&N, Hella LED Tails
03 Pontiac Grand Prix GT, GMPP Handling Kit, LS1 F-Body Brakes
Last edited by Mark B; 06-12-2009 at 02:35 PM.
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06-12-2009, 02:36 PM
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#16
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,370
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ok, just wanted to make sure he didn't run into unexpected problems. thanks!
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