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1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

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Old Jan 13, 2026 | 07:45 AM
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Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

This is the car I had when I first registered for TGO 25 years ago! I have so many memories in and with this car, it will never go anywhere. It has had many setups over the years and has evolved a lot through my build dreams and may even transform again, but for now I am getting it setup like I want in this configuration. I will get a lot of pictures soon, but for now the short run down is as follows.

TKM 408 LS3
Old Forced Inductions S488 turbo
Holley Dominator
TH400
back-braced 9" rear
1LE front brakes/98-02 LS rear brakes
stock yellow irocs for the 28" radials
Hawks 17" wheels for the street setup
Full 1988 interior(mine was sadly gone)
The same CD player I had in the 90s, complete system with Alpine EQ, 2 10" subs, amp, etc etc in a quickly removable box
manual rack
manual brakes
No HVAC at the moment

For now enjoy the video, but I have been wanting to update everyone to this car for a long time. I know lot of people know me from the blue Iroc I had 10 or so years ago.



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Old Jan 13, 2026 | 08:22 AM
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Car: 2016 Camaro SS + 1986 Z28
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

NICE!!!! Looks awesome! ....I didn't realize that you've had this car the whole time. I remember talking to you at a C&C in Greensboro MANY years ago and it was the first time I'd seen this car, but I guess I never realized you'd had it all along! Very cool!
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Old Jan 13, 2026 | 09:15 AM
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Car: '87 FIREGOOSE!!!!
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Amazing build, beautiful car!
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Old Jan 13, 2026 | 10:43 AM
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From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Originally Posted by Abubaca
NICE!!!! Looks awesome! ....I didn't realize that you've had this car the whole time. I remember talking to you at a C&C in Greensboro MANY years ago and it was the first time I'd seen this car, but I guess I never realized you'd had it all along! Very cool!
Depending on the year, it coul of been this one, my old 85, or the 87 5.0 TPI M5. Had bout 8 yellow ones and on those 2 now.
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Old Jan 13, 2026 | 10:45 AM
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From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Originally Posted by Buddy
Amazing build, beautiful car!
Thank you sir!
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Old Jan 13, 2026 | 07:37 PM
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

I saw this on youtube. I'm one of your subscribers. That car made some real great power !!!
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Old Feb 21, 2026 | 01:12 PM
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Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

NufNuff, I noticed in your video above that your yellow car has a Holley 12.3 ProDash. I've got one in my LS376/480, Tremec T56 Magnum swapped, 1991 Foxbody Mustang coupe. I absolutely love it.

My current project car is an LS427/570, Tremec T56 Magnum F swapped, 1987 IROC Z. I've got another Holley 12.3 ProDash for this car as well. Do you have any details on how you mounted your ProDash? I spent a lot of time working on trying to mount mine about 3 or 4 weeks ago but I'm not real happy with it. Here is my thread: Dash difference between 1987 and 1990up Camaros
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Old Feb 24, 2026 | 08:25 AM
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Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

I need to get more pictures for sure. You have to go into the upper dash and shim the column down slightly to make it fit just right.

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Old Feb 24, 2026 | 09:21 AM
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Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Yes. Please post some pictures of your ProDash installation either in this thread or in my thread that I linked in post #7.
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Old Mar 2, 2026 | 08:29 PM
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Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Originally Posted by dannyual320
Yes. Please post some pictures of your ProDash installation either in this thread or in my thread that I linked in post #7.

Here is my late night video of it!

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Old Mar 3, 2026 | 01:36 AM
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Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Thank you for posting the video!
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Old Mar 4, 2026 | 11:53 AM
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NufNuffZ28's Avatar
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From: NC
Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

You're welcome. Hope to have the car out this weekend!

Just installed a Cameron's converter and fully built TH400 with brake. The 28" tall tires and 3.25 rear gear make it highway friendly.

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Old Yesterday | 09:00 AM
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Car: 1987 Iroc
Engine: 357 Single plane and a Ysi vortech
Transmission: T56
Axle/Gears: 3.50 9"
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

Car has been doing great. I went to the track and found some things I need to fix (rear suspension for sure).

Here is the video from that outing.



I ended up updating the LCA's, PHR, and adding a Drag bar that I haven't installed yet. I will get that done this week and hope to improve at the track this weekend,

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Old Yesterday | 06:42 PM
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: 1986 Yellow Iroc with a LS3/Turbo. The Original Nuf-Nuf!

awesome update dude. I saw the video come through on my subscriptions. The Drag bar helped me out so much, it will keep things level! Nice work
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