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My '91 Z, lowered and now with LS1 brakes

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Old Sep 11, 2008 | 06:34 PM
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
My '91 Z, lowered and now with LS1 brakes

It's been a while since I've updated this site on my car. I've done quite a few things over the last year. Two of the bigger mods I've done are lowering the car with Hotchkis springs and switching out the old cup coaster front brakes for LS1 brakes. (I think most of you already knew I had an LS1 10bolt with the rear discs...)


Here she is, the pictures aren't the greatest, but it gives you an idea.

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Old Sep 11, 2008 | 07:14 PM
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From: Huntington WV
Car: 1988 convertible Z28 I think
Engine: 30 over 350 carbed and HEI
Transmission: T5 5speed
Axle/Gears: 9bolt 327posi disk brakes
Re: My '91 Z, lowered and now with LS1 brakes

Man that's a sweet looking ride you got there.Hope I can get my 88 vert to that condition by next summer.
On your ground effects I know thats the factory style for your year but I like them better than the previous style like I have.I have a set like yours.Do verts mount different or did they change mounting styles somewhere?The ones I have won't come close to mounting up.
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Old Sep 11, 2008 | 07:18 PM
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From: Sacramento
Car: 1992 Z28 L98 G92
Engine: 5.7 350 B2L
Transmission: 700 R4
Axle/Gears: 3.23
Re: My '91 Z, lowered and now with LS1 brakes

Awesome...very nice looking
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Old Sep 11, 2008 | 07:54 PM
  #4  
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From: St.Amant, La.
Car: 1989 IROC
Engine: L98
Transmission: 700R4
Axle/Gears: 3.42 Auburn
Re: My '91 Z, lowered and now with LS1 brakes

Damn, i dont usually like verts but yours i drool over.
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Old Sep 11, 2008 | 08:03 PM
  #5  
92RS(real slow)'s Avatar
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From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
Re: My '91 Z, lowered and now with LS1 brakes

car looks amazing like always
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Old Sep 11, 2008 | 08:44 PM
  #6  
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Engine: 496ci
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Re: My '91 Z, lowered and now with LS1 brakes

I love the way that looks. Those springs give your car the perfect stance. Do you have any rubbing problems?
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Old Sep 11, 2008 | 11:15 PM
  #7  
BlueZee28's Avatar
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by Blakcamaro
I love the way that looks. Those springs give your car the perfect stance. Do you have any rubbing problems?
Thanks guys.

And honestly the only rubbing I ever notice are at full lock when I am doing a u-turn in my neighborhood. I've never had any problems other than that, and the small amount of rubbing I do experience isn't enough to bother me. I'm never going more than 5 or 10mph when it rubs.
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Old Sep 11, 2008 | 11:49 PM
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From: NJ
Car: 1991 Camaro RS Conv
Engine: 305 V8
Transmission: Auto
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by BlueZee28
Thanks guys.

And honestly the only rubbing I ever notice are at full lock when I am doing a u-turn in my neighborhood. I've never had any problems other than that, and the small amount of rubbing I do experience isn't enough to bother me. I'm never going more than 5 or 10mph when it rubs.

lucky you..my vert rubs all the time usually just the air baffle because the roads around NJ suck and are not taken care of...pot holes and weird hills are all over BEAUTIFUL car tho
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Old Sep 12, 2008 | 12:01 AM
  #9  
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Re: My '91 Z, lowered and now with LS1 brakes

Everytime I see your car it gets better & better. That 1" drop makes a big difference, makes me wanna buy my friends 91 RS vert if he doesnt do anything with it....lol
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Old Sep 12, 2008 | 12:32 AM
  #10  
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Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: My '91 Z, lowered and now with LS1 brakes

Looks excellent man!
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Old Sep 12, 2008 | 06:30 AM
  #11  
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
Re: My '91 Z, lowered and now with LS1 brakes

looks good, and I'll bet it stops alot better now too!
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Old Sep 12, 2008 | 06:48 AM
  #12  
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by Brisk
looks good, and I'll bet it stops alot better now too!
It stops amazingly I was so shocked how big of a difference they really made.
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Old Sep 12, 2008 | 08:53 AM
  #13  
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From: WINDSOR, CO
Car: 91 Z28, 87 SC, 90 IROC, 92 RS
Engine: LS1, 305 TPI, L98, NADA
Transmission: T56, 700r4's, and NADA
Axle/Gears: 3.89, 3.42, 3.23, NADA
Re: My '91 Z, lowered and now with LS1 brakes

Looks really nice Nick! The brakes and drop really compliment the 17" wheels well... gives it more additude!
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Old Sep 12, 2008 | 09:06 AM
  #14  
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Car: 92 Camaro RS, 72 Camaro SS
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Re: My '91 Z, lowered and now with LS1 brakes

Looks great! Thanks for the update.
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Old Sep 12, 2008 | 09:10 AM
  #15  
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Car: 87 Camaro
Engine: 406
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Axle/Gears: 9" ford 35 spline axles
Re: My '91 Z, lowered and now with LS1 brakes

very nice car....I always liked that color, especially with the chrome wheels..
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Old Sep 12, 2008 | 04:12 PM
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Re: My '91 Z, lowered and now with LS1 brakes

I love your vert! I want one exactly like that but maybe in black.
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Old Sep 12, 2008 | 09:34 PM
  #17  
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Re: My '91 Z, lowered and now with LS1 brakes

Thats FUGLY..hahaha, I think I should that car off your hands so people won't tease you about it ...lmao j/k. Your car is one of the cars I see that gives me insparation & goal to reach when I finish my car. Thanks for sharing Nick, what plans are next for it?
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Old Sep 12, 2008 | 09:49 PM
  #18  
BlueZee28's Avatar
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by karl's-92'-z28
Thats FUGLY..hahaha, I think I should that car off your hands so people won't tease you about it ...lmao j/k. Your car is one of the cars I see that gives me insparation & goal to reach when I finish my car. Thanks for sharing Nick, what plans are next for it?
Another LS1 conversion...one that will increase my horsepower drastically. I've been keeping my eyes out on a totalled LS1 car to strip the drivetrain from, but I think it's going to be a 2 or 3 year time frame project.
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Old Sep 12, 2008 | 10:22 PM
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Re: My '91 Z, lowered and now with LS1 brakes

Quick question on the rearend, was it an easy swap, cause I just picked one up for free with pbr calipers, but getting alot of other stuff to finish the car, corvette front brakes & so on.
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Old Sep 12, 2008 | 10:37 PM
  #20  
BlueZee28's Avatar
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by karl's-92'-z28
Quick question on the rearend, was it an easy swap, cause I just picked one up for free with pbr calipers, but getting alot of other stuff to finish the car, corvette front brakes & so on.

Yes it's really simple with 2 extra hands. You unbolt the driveshaft, torque arm, shocks, and lower control arms and it just comes out like butter. Put jackstands under the car and lower the rear end out with a jack.
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Old Sep 12, 2008 | 10:53 PM
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Re: My '91 Z, lowered and now with LS1 brakes

Cool thanx for the info. Do the E-brake cabels connect easily?
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Old Sep 13, 2008 | 08:12 AM
  #22  
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by karl's-92'-z28
Cool thanx for the info. Do the E-brake cabels connect easily?

I haven't messed with them yet so I am not sure. I know in the brake section of TGO there are a few threads about how people are making them work.
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Old Sep 13, 2008 | 04:42 PM
  #23  
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Re: My '91 Z, lowered and now with LS1 brakes

Didi the fronts bolt in easily? Did you still have to use spacers fro the front rims?
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Old Sep 13, 2008 | 08:19 PM
  #24  
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Car: 87 IROC-Z
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Axle/Gears: 3:42
Re: My '91 Z, lowered and now with LS1 brakes

nice !!! nto sure but did u do everythign ur self?
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Old Sep 13, 2008 | 08:34 PM
  #25  
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Re: My '91 Z, lowered and now with LS1 brakes

Looks good as usual Bro, and I did finally get the set up off the ls1 board... 100 shipped or rotors calipers/brackets
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Old Sep 14, 2008 | 02:04 PM
  #26  
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by karl's-92'-z28
Didi the fronts bolt in easily? Did you still have to use spacers fro the front rims?
The fronts were really simple. I wasn't too sure about how it was going to work until I got the spacers from Ed Miller, and talked to him on the phone for a few minutes as he explained how it all went together. But I made a tech article on how to do this swap and I was going to see if the admins on TGO would want me to post it in here; I wasn't sure if there were already a ton of LS1 brake tech articles or not. And yes I still have to use the spacers for the 4th gen wheels.

Originally Posted by TPI TERR
nice !!! nto sure but did u do everythign ur self?
Regarding the brake swap? Yes, except for the hubs. A friend of mine made the hubs out of the 3rd gen rotors for me for free basically (well I paid for his meal at a club meeting). Other than that, I did everything myself.

Originally Posted by ssean92
Looks good as usual Bro, and I did finally get the set up off the ls1 board... 100 shipped or rotors calipers/brackets
Nice! That's a good find!
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Old Sep 14, 2008 | 04:47 PM
  #27  
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Re: My '91 Z, lowered and now with LS1 brakes

I cant wait bro you got me motivated to do it
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Old Sep 14, 2008 | 06:14 PM
  #28  
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Car: 87 IROC-Z
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Axle/Gears: 3:42
Re: My '91 Z, lowered and now with LS1 brakes

any pictures of the hubs?

i ahev a complete 4th gen hub assembly rotors and calipers layin around. idk if i should sell them or buy the kit with the hubs and modded spindles.
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Old Sep 15, 2008 | 12:24 AM
  #29  
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by TPI TERR
any pictures of the hubs?

i ahev a complete 4th gen hub assembly rotors and calipers layin around. idk if i should sell them or buy the kit with the hubs and modded spindles.

I'll just paste the link for my tech article on Z28.com for you. I took quite a few pictures of the process and tried my hardest to explain everything to the best of my ability. I am not positive how a 4th gen hub set will work on 3rd gen spindles. That might be a question to ask Ed Miller. However I will add that I do not recommend paying extra money to buy modified spindles. It is a simple modification that you can do yourself with a ban saw and a file.

Here's the link to my tech article:

http://www.z28.com/forum/showthread.php?t=124604
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Old Oct 4, 2008 | 01:48 PM
  #30  
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Re: My '91 Z, lowered and now with LS1 brakes

damn thats pretty low
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Old Oct 21, 2008 | 10:57 PM
  #31  
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Re: My '91 Z, lowered and now with LS1 brakes

very sharp.
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Old Oct 22, 2008 | 12:26 AM
  #32  
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Car: 91 RS Vert 86 Cutlass
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Re: My '91 Z, lowered and now with LS1 brakes

That car is amazing... I love it... Do you still have the back seat in it?
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Old Oct 22, 2008 | 12:33 AM
  #33  
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by rwdtech
damn thats pretty low
Low n' slow...for now...

Originally Posted by Gibbyzracing
That car is amazing... I love it... Do you still have the back seat in it?

Thank you. Yep I still have the back seats in it, the reason I keep them folded down most of the time is with the glass rear window you have to fold the seats down to get the top up and down, otherwise you can potentially bust out the glass which would be $400 down the poop shoot.
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Old Oct 23, 2008 | 05:40 PM
  #34  
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Re: My '91 Z, lowered and now with LS1 brakes

Looks fantastic! About time you got that thing down in the weeds!
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Old Oct 23, 2008 | 06:22 PM
  #35  
BlueZee28's Avatar
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by compuwiz1937
Looks fantastic! About time you got that thing down in the weeds!
Haha, ya or down in the cob webs...you should have seen all the webs inside the wheels when I went to take them off for the brake swap.it had only sat like three weeks too lol.
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Old Oct 23, 2008 | 06:34 PM
  #36  
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Re: My '91 Z, lowered and now with LS1 brakes

Three weeks?!? I love my Trailblazer, but I still at least drive the Camaro once a week (usually more, unless it's raining)!
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Old Oct 23, 2008 | 08:28 PM
  #37  
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Re: My '91 Z, lowered and now with LS1 brakes

Hotchkis? I didn't know they were that low. Neat.
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Old Oct 23, 2008 | 09:33 PM
  #38  
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: My '91 Z, lowered and now with LS1 brakes

Originally Posted by soultron
Hotchkis? I didn't know they were that low. Neat.
Yes sir. I got em' for $20 too!
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