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1989 Iroc-Z build / engine & trans swap

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Old Aug 4, 2013 | 04:26 PM
  #1  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
1989 Iroc-Z build / engine & trans swap

Hello!

Well here it is, my 1989 Iroc-Z. I'm 18 years old working on this build with my father. This car started out with and automatic with a 305 which is now being swapped to a 355 with a T5. I started this thread a little late but here are some pics of our progress!

1989 Iroc-Z build / engine & trans swap-img_0685.jpg

Last edited by Stallion89; Aug 4, 2013 at 05:05 PM.
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Old Aug 4, 2013 | 04:44 PM
  #2  
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

It's not letting me post pictures as it results in a failure to upload every time, hopefully soon enough they will go through so you can all see

Last edited by Stallion89; Aug 4, 2013 at 05:00 PM.
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Old Aug 4, 2013 | 05:58 PM
  #3  
Keoman's Avatar
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From: Salt Lake
Car: 1989 IROC & ROLL-Z
Engine: L98 Vortec FIRST TPI
Transmission: T56, Mech Speedo
Axle/Gears: G92 J65 3.27
Re: 1989 Iroc-Z build / engine & trans swap

Welcome!
Not sure on how set you are on the T5, but a T56 will be much more enjoyable/durable!!
Keep us updated!
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Old Aug 4, 2013 | 09:02 PM
  #4  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by Stallion89
It's not letting me post pictures as it results in a failure to upload every time, hopefully soon enough they will go through so you can all see
Set up an account with www.photobucket.com. It's free. After posting your pics there, click on the photo you want to post here, copy the "Image" URL, and paste it here. Your photos will show in your post after you submit.
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Old Aug 5, 2013 | 04:57 PM
  #5  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

[IMG][/IMG]

[IMG][/IMG]

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Thank you five7kid!

Keoman, i realize the T56 would be much better for the build but I already had the T5, so for now I am going to use this but that is definitely something I want to change over down the road.

As for now you can see from these pics that it's down to nothing, and it's time to start sandblasting the engine bay. The plan is to get that all ready and painted, drop the 355 and start the reassembly. I do not plan to put back in the heat, AC, tune port and any emissions back on, I want it to be a basic setup with little electrical throughout the car. I found a painless wiring system which I plan to use to rewire the car, but for now this is what I am at!

Last edited by Stallion89; Aug 5, 2013 at 09:16 PM.
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Old Aug 7, 2013 | 07:18 PM
  #6  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

While the motor is out, I am thinking it would be a good idea to replace the K member. I want to use long tubes down the road so that will provide more clearance, plus I'm just a sucker for new shinny parts

Does anyone have any thoughts or opinions on this? Right now I am between UMI and Spohn, just wanted to get an idea of anyone else that may have had problems with either or just your recommendations!
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Old Aug 8, 2013 | 12:07 AM
  #7  
IROCThe5.7L's Avatar
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: 1989 Iroc-Z build / engine & trans swap

I just put a Umi kmember and a arms in my car. No issues. The long tubes fit fine.
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Old Nov 10, 2013 | 10:26 AM
  #8  
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

I know its been some time since I last posed on this but here are some more updated pics of the progress.Name:  IMG_0865_zpse7ab8dc6.jpg
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http://i1294.photobucket.com/albums/...ps7f451d50.jpg
All that rot...
http://i1294.photobucket.com/albums/...ps94a6df7c.jpg
New battery tray in!
http://i1294.photobucket.com/albums/...ps73974f86.jpg
Got the left side primed.
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Old Nov 10, 2013 | 10:30 AM
  #9  
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

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took the 350 apart and gave it a good clean.

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Decided to paint the block and heads black

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Love that oil pan
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Old Nov 10, 2013 | 10:32 AM
  #10  
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

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Almost a complete motor!

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Another shot of the engine bay
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Old Nov 10, 2013 | 10:43 AM
  #11  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

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Not looking forward to this electrical mess haha

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AC/heat is gone
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Old Nov 10, 2013 | 12:13 PM
  #12  
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From: Milltown, NJ
Car: 86 iroc, 02 v6 camaro
Engine: 350 HSR, 3800 V6
Transmission: T56, WCT5
Axle/Gears: 9in 4.11 posi, 3.23 LSD
Re: 1989 Iroc-Z build / engine & trans swap

nice build you have there, winter is coming in NJ hopefully by next spring it will be done. im in central NJ met and my buddy are looking for some people with third gens to cruise with
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Old Nov 10, 2013 | 09:25 PM
  #13  
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From: Milwaukee
Car: 1984 Z28
Engine: Vortec 350, hotcam
Transmission: T56
Axle/Gears: 3.73
Re: 1989 Iroc-Z build / engine & trans swap

what's the plan for the firewall patches? Grind down the welds and put filler in? I'd like to do the same thing pretty soon
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Old Nov 24, 2013 | 12:44 PM
  #14  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

Gsoleski,

Yeah thats the plan. I did the same thing with the battery patch, it came out pretty well all finished and primed.
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Old Nov 24, 2013 | 12:49 PM
  #15  
Stallion89's Avatar
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From: West Milford, NJ
Car: 89 Camaro Iroc-Z
Engine: Chevy 355
Transmission: T-5
Re: 1989 Iroc-Z build / engine & trans swap

As I am not putting back heat, AC, emissions or any of that back in, has anyone eliminated any of those wires from the original harness? I have heard people taking all the original wiring out and replacing it with a painless system, but can the original harness still work? I plan on taking the computers out for the security system too, so can that be bypassed? If anyone knows of a good thread with this info that would be very helpful!
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Old Dec 1, 2013 | 05:52 AM
  #16  
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Re: 1989 Iroc-Z build / engine & trans swap

I'm in the same boat you are, I did a swap in my 89 rs from 305 tbi to 350 carb and now wondering which part (if all) of the harness can be removed? The car is running now, however it breaks down at around 2500 rpm. all grounds are good.
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