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08-31-2008, 04:08 PM
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#1
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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brake upgrade
ok i want to do a ls1 brake upgrade to the vert, i can get everything, but i was told i need adapters. i have no idea what they mean or where i can find them. i woudl like to get some info before i go any further with this converstion.
Thanks
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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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08-31-2008, 05:21 PM
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#2
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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If they are talking about wheel spacers (adapters). You dont need adapters if you are going to use your stock wheels or wheels made for a 3rd gen (min 16" wheels). Your wheels will slightly move outward about a 1/4". I did it on my car and I got it from www.bigbrakeupgrade.com and came as a complete assembled kit. Very well put together kit.
Last edited by Fast92RS; 08-31-2008 at 05:22 PM.
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08-31-2008, 05:22 PM
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#3
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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i am useing my stock wheels, so i will be able to just bolt everything rite up with no probs.
__________________
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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08-31-2008, 05:23 PM
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#4
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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Just bolt and go.
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08-31-2008, 05:23 PM
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#5
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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nice good deal, thanks for the 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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08-31-2008, 08:54 PM
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#6
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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one more ? do i need a bracket to bolt the ls1 caliys to the stock thing on the 3rd gen.
__________________
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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08-31-2008, 09:01 PM
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#7
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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are you sure you know what your getting yourself into?
You have to cut off the stock mounting ears from the spindle, drill out and tap 2 of the dust shield mounting holes, bolt an adapter bracket to these holes, then turn down the factory rotor into a hub to install the ls1 rotor onto, you need to install longer wheel studs as well.
Last edited by //<86TA>\\; 08-31-2008 at 09:01 PM.
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08-31-2008, 09:59 PM
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#8
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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yea i just read, now would the front sus work in my vert the upper a arm and the part where the shurt bolts too and the lower a arm would those bolt rite in so i can do the convsertion
__________________
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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08-31-2008, 10:29 PM
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#9
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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You can get a kit from bigbrakeupgrade.com that comes fully assembled. Or you can buy the modified spindles, custom brakets, and hubs and use your own calipers and rotors.
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08-31-2008, 10:39 PM
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#10
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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yea i saw i am going to buy the hubs and brakets, but i cant buy the spindles and im not sure what has to be cut on mine and where the holes go to drill and tap.
__________________
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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08-31-2008, 11:52 PM
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#11
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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I think he has a template and or directions on how to modify your stock spindles.
Last edited by Fast92RS; 08-31-2008 at 11:53 PM.
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09-01-2008, 12:05 AM
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#12
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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yea i dunno i have a friend who will modify my rotors to hubs and i will buy those brackets, so i just need to find a template for the spindles.
__________________
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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09-01-2008, 06:52 AM
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#13
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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I would go the 1LE route before I would go through all that to get LS1 brakes on my 3rd gen.
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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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09-01-2008, 08:40 AM
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#14
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Power Member
Join Date: Jul 2006
Location: Old Bridge, NJ
Posts: 2,415
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The pistons in the LS1 calipers are slightly bigger than the pistons in the 1LE calipers from a third gen.
Last edited by Fast92RS; 09-01-2008 at 08:50 AM.
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09-01-2008, 08:43 AM
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#15
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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Quote:
Originally Posted by deadtrend1
I would go the 1LE route before I would go through all that to get LS1 brakes on my 3rd gen.
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i wouldn't
but then again i would go c5, not ls1. No problem with the ls1 setup, but if you have larger wheels, might as well just go with the c5.
the 1le requires almost as much work, just no rotor mod.
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09-01-2008, 09:30 AM
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#16
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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im gunna do the ls1 swop, i have everything ready to go, i just need a template or something to where to modify my stock spindles.
__________________
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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09-01-2008, 04:09 PM
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#17
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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i got everything figured out, started ripping apart the front end today, you know for a car that sat for 13 years the bolts sure came off easy. will have pics up later.
__________________
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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09-01-2008, 09:10 PM
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#18
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Join Date: Nov 2004
Location: Randolph
Posts: 198
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You'll be amazed at the improvement. Just upgrading to 1LE brakes made a huge difference on mine, worth the trouble big time.
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1982 Z28 w/ '01 LS1 + T56, TR224 cam, Katech oil pump, JWIS chain
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09-01-2008, 09:19 PM
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#19
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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yea deff and the ls1's on bigger, so i cant wait, so next week it should be done.
__________________
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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09-06-2008, 02:19 PM
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#20
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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ok i think i got one more ?, i got the caly brakets made Hardcore ( Paul ) is making the spindles work for me, so the ? i have is with the hubs i cut the rotor part off from the hub and i have the hub with the sides on ill supple a pic.
now as you can see the sides on still on and those little taps are grided down, when i was doing my research alot of the custom hubs the sides where gone. now will what i have work without doing anything else or do i need to get the sides cut off.
__________________
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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09-07-2008, 09:32 AM
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#21
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Join Date: Nov 2004
Location: Randolph
Posts: 198
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Quote:
Originally Posted by 88 Iroc Vert
ok i think i got one more ?, i got the caly brakets made Hardcore ( Paul ) is making the spindles work for me, so the ? i have is with the hubs i cut the rotor part off from the hub and i have the hub with the sides on ill supple a pic.
now as you can see the sides on still on and those little taps are grided down, when i was doing my research alot of the custom hubs the sides where gone. now will what i have work without doing anything else or do i need to get the sides cut off. |
You'll want to have a machine shop finish the hubs, so they end up circular and balanced.
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1982 Z28 w/ '01 LS1 + T56, TR224 cam, Katech oil pump, JWIS chain
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09-08-2008, 05:06 PM
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#22
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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yea i know found out the hard way, im waiting on some stuff to sell to buy the ready made hubs.
__________________
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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