exhaust question

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19 Mar 2008 23:44 #201128 by kz750ohio
exhaust question was created by kz750ohio
I am thinking about coating the inside of my exhaust to help keep the blueing effect from happening. The question I have is how hot does the pipes get? The reason I ask is I was considering buying the brake caliber high temp paint (500 degree) in a quart can. I thought if I clean the inside of the pipes with a wire brush pretty good and then pour some of the paint down in there and work it around I could get a pretty good coat. Someone give me some input on this.

Also I have almost finished the bike. I will be posting pictures soon. My dad says its a night and day difference. I say its over 400 man hours difference.

cheers

1982 kawasaki kz750 with mikuni carbs bs34, stock everything else.

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20 Mar 2008 09:22 #201181 by bountyhunter
Replied by bountyhunter on topic exhaust question
The header paint I used to spray the OUTSIDE of the headers on mine was rated at about 1000F as I recall. I don't think 500F is good enough, especially for the inside of the pipe which is getting the full blast of hot exhaust.

I honestly don't think any paint or coating is going to live on the inside of the pipe, just my opinion. I also don't think it will stop the bluing. The pipes that don't blue have a double wall construction with an air gap which keeps the outer pipe significantly cooler and prevents the bluing.

1979 KZ-750 Twin

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20 Mar 2008 09:23 #201182 by bountyhunter
Replied by bountyhunter on topic exhaust question
kz750ohio wrote:


Also I have almost finished the bike. I will be posting pictures soon. My dad says its a night and day difference. I say its over 400 man hours difference.

cheers

Wow, that is true dedication. Must be looking good.

1979 KZ-750 Twin

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20 Mar 2008 09:32 #201187 by The Milkman
Replied by The Milkman on topic exhaust question
Rustoleum makes a 1200 degree barbeque grill spray paint, that should do it.

78 650-C2, Stock engine, Jardine 4-2 Exh., 17-38 sprockets, dyna ignition and coils, coil wiring mod, carb mod.
The following user(s) said Thank You: GPz550D1

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21 Mar 2008 20:30 #201485 by agawam
Replied by agawam on topic exhaust question
I like the blue on pipes gives it that "I ran the hell out of it" look

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21 Mar 2008 20:56 #201488 by KZQ
Replied by KZQ on topic exhaust question
I saw a modern Triumph Bonneville with just 3K on the clock This past Monday, both pipes were blued nearly to the foot pegs. Sortta had that, I wish the Govm't'd leave me alone type of look.

KZCSI

www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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