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Custom AL Diffuser

Old Jun 7, 2023 | 09:14 PM
  #1  
soloc4's Avatar
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From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Custom AL Diffuser

I have all of the major pieces cut. The plate needs a 1” radius bent and it will be ready to tack together. Stay tuned.
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Old Jul 22, 2023 | 10:15 PM
  #2  
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From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Custom AL Diffuser



I’ve got it about 90 percent welded. I should be able to finish and test fit it soon.
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Old Jul 22, 2023 | 10:37 PM
  #3  
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From: Woodinville Wa
Car: 1989 IROC vert UMI sus w/1LE brakes
Engine: 1990 ZR1 LT 5, alum flywheel
Transmission: Tick built T56
Axle/Gears: 3.7 Borg Warner
Re: Custom AL Diffuser

That will look awesome on you Camaro
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Old Jul 29, 2023 | 05:53 PM
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soloc4's Avatar
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From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Custom AL Diffuser




Diffuser finish and installed. With the addition of the diffuser, the car is officially complete. This was the last piece of the puzzle. All that is left is to drive and enjoy the fruits of my labor.
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Old Jul 29, 2023 | 07:26 PM
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From: Rochester NY
Car: 1984 TA (1 stock / 1 custom)
Engine: LG4 / turbo LQ4
Transmission: 700R4 / 4L80E
Axle/Gears: Stock / 3:50 Moser 9"
Re: Custom AL Diffuser

That looks killer! How did you attach it to the underside of the car?
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Old Jul 29, 2023 | 07:45 PM
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Car: 1989 Firebird
Engine: 2.8 Liter V-6
Transmission: 700R4
Re: Custom AL Diffuser

What an outcome! Looks fantastic!
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Old Jul 29, 2023 | 07:58 PM
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soloc4's Avatar
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From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Custom AL Diffuser

Originally Posted by battmann
That looks killer! How did you attach it to the underside of the car?
The fiberglass cover wraps under the steel bumper that has 5 nutserts along the length. The diffuser sandwiches the cover between them. The front is attached at the corners of the quarter panels and on each side of the battery tray in the center. Overall there are nine 1/4” fasteners holding it place.
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Old Aug 4, 2023 | 11:20 AM
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From: Rochester NY
Car: 1984 TA (1 stock / 1 custom)
Engine: LG4 / turbo LQ4
Transmission: 700R4 / 4L80E
Axle/Gears: Stock / 3:50 Moser 9"
Re: Custom AL Diffuser

Thanks for the info. I debated trying to fab something like this for my pro-tour build but wasn’t sure how to actually attach it to the car. Here’s a photoshop I made using my other TA as a model. Looks very similar to what you did


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Old Nov 19, 2024 | 02:54 PM
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Re: Custom AL Diffuser

Soloc4, your car looks fantastic! The diffuser is killer and really looks good with your center exhaust outlets. Do you have a build thread here? I'd love to see the rest of your modifications.
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Old Nov 20, 2024 | 09:16 PM
  #10  
soloc4's Avatar
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From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: Custom AL Diffuser

Originally Posted by 83RDRACR
Soloc4, your car looks fantastic! The diffuser is killer and really looks good with your center exhaust outlets. Do you have a build thread here? I'd love to see the rest of your modifications.
https://www.thirdgen.org/forums/memb...9-1-1-z28.html
This is the link to the overall build page. There are detailed build threads all over this site. The majority of the suspension is in the fabrication forum, but there are some in the body, exhaust, interior, etc.

How is your project going? I saw that you painted it, but I haven’t heard if you are driving it yet.
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Old Nov 25, 2024 | 05:35 PM
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Car: 84 Camaro Z28
Engine: 5.3
Transmission: Tremic 6 Speed
Axle/Gears: 3:43 posi
Re: Custom AL Diffuser

Very cool. Looks awesome.
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