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Rear end Sandblasted Now prep?

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Old Apr 5, 2010 | 11:50 AM
  #1  
hardyz13's Avatar
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From: Fayetteville Ar
Car: 85 Firbird
Engine: 406
Transmission: 700r4 built
Axle/Gears: 3.42 posi 10 bolt
Rear end Sandblasted Now prep?

Ok I just got my reard end back from the blaster and now I need to prep and paint it before it goes back in. So my questions are

1. What or do I need to sand it down with?
2. after sanding clean with carb cleaner and tack cloth?
3. What primer since it's fresh metal does it need to be self etching then grey primer then paint?

Sorry for the basic questions but I after paying for this I want it to look good.

Just saw I put this in the wrong section so if it needs to be moved please do so.

Last edited by hardyz13; Apr 5, 2010 at 11:54 AM.
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Old Apr 5, 2010 | 04:29 PM
  #2  
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Car: 89 RS
Engine: 2.8
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Re: Rear end Sandblasted Now prep?

I am not an expert but I am not sure if the chemicals in the carb cleaner will affect the sticking of the paint. I believe that self etching primer is all you need. I think it bonds to the surface and provides a paintable surface. Hopefully there will be more responses to help you more.

Kevin
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Old Apr 5, 2010 | 04:41 PM
  #3  
hardyz13's Avatar
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From: Fayetteville Ar
Car: 85 Firbird
Engine: 406
Transmission: 700r4 built
Axle/Gears: 3.42 posi 10 bolt
Re: Rear end Sandblasted Now prep?

Yeah instead of carb cleaner I guess I need to use grease and wax remover seems to be what everyone is using.
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Old Apr 5, 2010 | 05:46 PM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Rear end Sandblasted Now prep?

POR-15 products, Metal Ready and their paint, and you should be go to go.

JamesC
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Old Apr 5, 2010 | 06:01 PM
  #5  
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Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Re: Rear end Sandblasted Now prep?

Originally Posted by JamesC
POR-15 products, Metal Ready and their paint, and you should be go to go.

JamesC
x2. go with some black paint.
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Old Apr 5, 2010 | 06:59 PM
  #6  
hardyz13's Avatar
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From: Fayetteville Ar
Car: 85 Firbird
Engine: 406
Transmission: 700r4 built
Axle/Gears: 3.42 posi 10 bolt
Re: Rear end Sandblasted Now prep?

Do you think a pint will be enough for a rear end? I read that it goes on like water.
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Old Apr 5, 2010 | 07:09 PM
  #7  
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Engine: 350 TPI / 350 TBI/6.0L VORTEC
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Re: Rear end Sandblasted Now prep?

first of all if you got it sand blasted after you sand it down watch out what you use to clean it with... pour thiner or spraygun cleaner but don't wipe it off with anything just pour it... this will wash out any chemicals in the bare metal..... REMEMBER TO USE HIGH TEM PAINT not just any paint because heat will flake your paint off and then all u did will be worthless
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Old Apr 5, 2010 | 08:49 PM
  #8  
hardyz13's Avatar
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From: Fayetteville Ar
Car: 85 Firbird
Engine: 406
Transmission: 700r4 built
Axle/Gears: 3.42 posi 10 bolt
Re: Rear end Sandblasted Now prep?

Well I just bought a quart of por 15 semi gloss, I want it to last so im going to do it right the first time.
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Old Apr 6, 2010 | 12:18 PM
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From: South Suburbs of Chicago
Car: 89 RS
Engine: 2.8
Transmission: Auto
Re: Rear end Sandblasted Now prep?

Excellent choice. I have yet to use Por-15 but I have read countless happy reports on it if treated and applied properly.

Kevin
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Old Apr 6, 2010 | 12:22 PM
  #10  
hardyz13's Avatar
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From: Fayetteville Ar
Car: 85 Firbird
Engine: 406
Transmission: 700r4 built
Axle/Gears: 3.42 posi 10 bolt
Re: Rear end Sandblasted Now prep?

James when you applied yours did you use the metal ready? I called por 15 and they said since it was sandblasted just use a wax and grease remover and apply the por 15 directly to the surface.
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Old Apr 6, 2010 | 12:29 PM
  #11  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Rear end Sandblasted Now prep?

Originally Posted by hardyz13
James when you applied yours did you use the metal ready? I called por 15 and they said since it was sandblasted just use a wax and grease remover and apply the por 15 directly to the surface.
IIRC, I used Metal Ready, but then I didn't sandblast either. Can't go wrong following POR's advice, I wouldn't think. At any rate, the paint has held up for a number of years on everything I've applied it to--BTW, get the paint on your skin and you'll wear it for a long time.

JamesC
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