sanding curves
04-06-2005, 08:50 PM
#1
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Car: Brilliant Red metallic RS T-Tops &
Engine: 305 TBI & 350 LT-1(bolt on's)
Transmission: T-5 & 4l60
sanding curves
ok im getting ready to paint my 4th gen and i need to know how to sand the curves so they dont get uneven and when it comes to wetsanding how do i sand all the curves evenly with the rest of the body???? sorry its not third gen but i can try...when i sanded my 91 RS it was hard too but it was easier than the 4th gen....and what grits should i use on what primer coats and colorsanding coats 
04-07-2005, 04:03 PM
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Car: 55 Chevy (the only one that counts), 80 TA, 85 TA, 87 FB
Engine: BBC, BBC, SBC, none
Transmission: M-22, TH400, TH350, none
Use a "soft-block" (sb-1) to sand the curves. When sanding, do so in a criss-cross "X" pattern across the curve. Also for tight curves, corners, etc, I have a wedge "DuraBlock" and round (cylinder shaped) "DuraBlock". The blocks can be used wet or dry, and take regular and stick-it style papers. You can find them at a local autobody/paint supply company.
General idea on paper:
400-800 for primer wetsand before paint.
Check on paint manf., some paints dont grip as well as others and need the heavier grit paper
1500-2500 on clear before buffing (depends on clearcoat surface blemishes/amount of orange peel/etc.) .
General idea on paper:
400-800 for primer wetsand before paint.
Check on paint manf., some paints dont grip as well as others and need the heavier grit paper
1500-2500 on clear before buffing (depends on clearcoat surface blemishes/amount of orange peel/etc.) .
04-07-2005, 06:06 PM
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Car: Brilliant Red metallic RS T-Tops &
Engine: 305 TBI & 350 LT-1(bolt on's)
Transmission: T-5 & 4l60
ok cool thanks....ill either be using PPG or Dupont
04-08-2005, 12:17 AM
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Car: 1987 Iroc-Z
Engine: 355
Transmission: 700r4 w/ about 7500 miles on rebuild
hehe, im gonna paint my IROC in the next month.. Good to know! 
Actually, how do you go about wetsanding the clear? I mean, do you use a long block? a short block?? What is the exact technique there?
Actually, how do you go about wetsanding the clear? I mean, do you use a long block? a short block?? What is the exact technique there?
04-08-2005, 02:13 AM
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Car: 89' Firebird
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I'm ot an expert, but I did see them wet sand clear by hand on the edges and corners of the body as not to "cut through the clear" on television 
04-08-2005, 06:54 AM
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Axle/Gears: Currie 9", 4.56 gears
Sand up to the edges, not on them. It's very easy to go right through the clear and/or color.
04-08-2005, 10:45 AM
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Car: 1987 Trans Am
Originally posted by Rabbitt
hehe, im gonna paint my IROC in the next month.. Good to know!
Actually, how do you go about wetsanding the clear? I mean, do you use a long block? a short block?? What is the exact technique there?
hehe, im gonna paint my IROC in the next month.. Good to know!
Actually, how do you go about wetsanding the clear? I mean, do you use a long block? a short block?? What is the exact technique there?
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