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My new 91 RS Convertible

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Old Feb 8, 2008 | 05:45 PM
  #1  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
My new 91 RS Convertible

I just acquired this 91 RS Vert from another member on this site. I think i got a hell of a deal. I paid 700 for it complete with 17"zr1 rims, 4th gen rear end with 3.73 gears,eighbac pro springs, tbi strut brace, k&n open element, summit alluminum radiator, the body is in great shape minus passenger fender, interior is in great shape but the top is crap. Engine is blown but I already have a replacement. Here is my dilema I also have an 85 z28 hard top that I will start parting out. Will the passenger fender from the hard top fit the vert? also the vert is auto and my z28 is 5spd should i convert this car to a 5spd manual instead of staying auto? if i do I already have someone lined up to buy the auto transmission i just don't know what i should do. What do you guys think? I am in great need of guidance
Attached Thumbnails My new 91 RS Convertible-0202081138.jpg   My new 91 RS Convertible-0202081138a.jpg  
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Old Feb 8, 2008 | 06:25 PM
  #2  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: My new 91 RS Convertible

Fenders are different.
You can cut the other fender and reuse the 'vert brace and cut the slots for the GFX.
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Old Feb 8, 2008 | 06:29 PM
  #3  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Thanx Don I'll pull them off soon and see what i can do. Don do you think i should do the 5spd swap before i part out my other car? I am real tempted to do this
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Old Feb 8, 2008 | 06:34 PM
  #4  
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From: Springfield, MO
Car: 92 T/A VERT
Engine: LB9
Transmission: AUTO
Axle/Gears: 7.5 / 3.42's
Re: My new 91 RS Convertible

Umm, dude..... If you don't do the 5-speed swap, you're gonna repeatedly kick yourself in the *** later.

You've got every motherfreakin thing there.... and you're already pullin the motor.

Do it, do it... Do it now.
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Old Feb 8, 2008 | 06:36 PM
  #5  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

thanx man thats what i wanted to here also i've been searching on the t5 swap and can't really find much info. I know my tranny will bolt right up but i'm assuming i'd have to drill to get the clutch mounted. What else would i need to modify and what about the TBI computer do i need to change anything?
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Old Feb 8, 2008 | 07:27 PM
  #6  
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From: Denver NC
Car: rs convertible,06 dmax,07 tahoeltz
Engine: l03
Transmission: 700r4
Axle/Gears: 3:42 auburn posi unit
Re: My new 91 RS Convertible

Stealing is a crime cause you stole that thing nice!
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Old Feb 8, 2008 | 07:30 PM
  #7  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

my original plan was to take the rear end, all the brakes, suspension and rims and part out the vert. I would've done it but the other day i took the top down and fell in love with it lol so now i'm parting out my 85 z28
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Old Feb 8, 2008 | 07:40 PM
  #8  
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From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: My new 91 RS Convertible

just use everything from the 85.
When you are ready to pull the engine and trans. out,just disconnect the harness from the car and leave everything attached to the engine and tranny.
By the way,VERY good deal you got!
Good luck with it and keep us posted on the progress!
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Old Feb 8, 2008 | 08:04 PM
  #9  
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From: Surrey, BC, Canada
Car: 1991 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
Axle/Gears: 10 bolt, 3.08
Re: My new 91 RS Convertible

Z28 clone it!
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Old Feb 8, 2008 | 08:47 PM
  #10  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

yeah thats not a bad idea. What is different on teh Z28 grille and hood anything else?
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Old Feb 8, 2008 | 08:53 PM
  #11  
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From: Springfield, MO
Car: 92 T/A VERT
Engine: LB9
Transmission: AUTO
Axle/Gears: 7.5 / 3.42's
Re: My new 91 RS Convertible

Just make templates for the shifter hole and clutch master cylinder hole from the 85. You've got everything there to make a factory like install.

As far as the computer goes, are you gonna keep the TBI????? If so, start off with a manual trans eprom. If you're swapping in a 350 or bigger, search the DIY prom and TBI boards for what all that entails.

I'm not familiar with TBI, but I would imagine all you would need is L05 injectors, knock sensor and eprom (from a manual truck).
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Old Feb 8, 2008 | 08:57 PM
  #12  
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Yes i plan on keeping the TBI for now and may later go TPI. The car currently has a 350 and has a hypertech chip that it passed smog with on that 350 but the engine has since blown up lol. I got a hold of a 305 for 50 dollars so i may go that route unless i take my 350 in my 85 and see what i can do to make that kind of street legal. If i use my engine is tehre any way that the vortec heads would make me fail smog?
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Old Feb 8, 2008 | 10:04 PM
  #13  
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From: Surrey, BC, Canada
Car: 1991 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
Axle/Gears: 10 bolt, 3.08
Re: My new 91 RS Convertible

"yeah thats not a bad idea. What is different on teh Z28 grille and hood anything else?"

grille, hood, fog lights, emblems, blacked out headlight surrounds. Thats about it really but it make a big difference.
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Old Apr 21, 2008 | 12:28 PM
  #14  
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

I've been a little lazy so here's an update lol

I swapped in another 305 from a 91 RS i got for cheap. I'm going to have to use the stock radiator instead of my griffin because my griffin doesn't have where to plug in the heater hose. 5spd pedal assembly is in, holes are cut in the console for the shifter. I just need to install the flywheel, clutch, and trans then i need to put the plug wires and work on getting it started. Its taken a long time because i've been lazy lol but it shouldn't be much longer
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Old Apr 27, 2008 | 01:14 PM
  #15  
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From: Richmond Hill, GA
Car: They all sit.
Engine: LS1, LB9, LB9, L98, LT1, LT4, LT4
Transmission: A4, T5, T5, A4, A4, T56, TR6060
Re: My new 91 RS Convertible

going to be one badass car when your done.
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Old Apr 28, 2008 | 09:28 AM
  #16  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

^^^ Thanx I appreciate the support. Unfortunately I went out this weekend and neglected to work on the car so it will still be some time before it hits the road.
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Old Apr 28, 2008 | 09:42 AM
  #17  
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Car: sold
Re: My new 91 RS Convertible

Wow you got a hell of a deal Bro...... Love the all black
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Old Jan 14, 2009 | 12:31 PM
  #18  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Wow almost a year and I finally got it started lol. Damn I took lazyness to a whole nother level. The car finally started yesterday. 5spd swap is complete minus putting oil in trans. But the car is running extremely rich. way too rich so now i have to dig in and try and sort out these issues.
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Old Jan 14, 2009 | 02:25 PM
  #19  
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From: hagerstown,md
Car: 90 chevy camaro convertible iroc
Engine: 305 tpi
Transmission: 700r4 with hurst dual gate shifter
Axle/Gears: 3.73
Re: My new 91 RS Convertible

hey i have a 92 rs vert i am selling its a roller want to buy it check out my thread it has pics now
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Old Jan 14, 2009 | 02:27 PM
  #20  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

I would love to but you're on the other end of the planet lol. i'm in CA
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Old Feb 19, 2009 | 02:46 PM
  #21  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Here are a few pictures after i wiped it down a bit. Plans changed with the old 305 motor in there. I'm going to swap in a 355 i have sitting in my garage. Swap starts this sunday
Attached Thumbnails My new 91 RS Convertible-100_3569.jpg   My new 91 RS Convertible-100_3570.jpg   My new 91 RS Convertible-100_3571.jpg  
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Old Feb 19, 2009 | 06:31 PM
  #22  
Mark in Maine's Avatar
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From: Lewiston, ME
Car: '90 RS Convertible
Engine: 305 TBI
Transmission: 700R4
Re: My new 91 RS Convertible

Nice car - good luck with it!
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Old Feb 19, 2009 | 06:44 PM
  #23  
z28gsxr's Avatar
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

thanx
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Old Feb 22, 2009 | 06:41 PM
  #24  
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From: plano texas
Car: 91 RS Vert, 87 SC T-Top
Engine: LO3, LG4
Transmission: 700r4's
Axle/Gears: 2.73, not sure yet
Re: My new 91 RS Convertible

i love the blacked out Camaro's, looks great!
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Old Feb 22, 2009 | 07:05 PM
  #25  
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Thanx. Here's a picture of the motor i just installed. Trans has a leak and want to get the taken care of and pressure washed before i install the t5.
Attached Thumbnails My new 91 RS Convertible-100_3595.jpg   My new 91 RS Convertible-100_3602.jpg  
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Old Feb 22, 2009 | 08:21 PM
  #26  
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
Re: My new 91 RS Convertible

awesome score for that price. I just picked up a 92 vert for $450 no motor or rear spoiler. No big deal 383LT1 is going in it. and my 92z wing.
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Old Feb 23, 2009 | 09:53 AM
  #27  
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From: Lynwood
Car: 91 RS Vert/98 Sierra9
Engine: 5.7/5.0
Transmission: 5spd/auto
Axle/Gears: 4th gen rear with 3.73
Re: My new 91 RS Convertible

Originally Posted by TPl383
awesome score for that price. I just picked up a 92 vert for $450 no motor or rear spoiler. No big deal 383LT1 is going in it. and my 92z wing.
nice find. So do you have any pictures of this vert?
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Old Feb 23, 2009 | 01:40 PM
  #28  
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Re: My new 91 RS Convertible

hopefully this time it wont take a year to get this motor running....
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Old Feb 23, 2009 | 05:28 PM
  #29  
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From: Savannah Ga but from Brisbane Australia
Car: 1992 RS Convertible
Engine: 5.0 L 305 TBI
Transmission: 700R4
Re: My new 91 RS Convertible

Your one lucky bugger.....
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