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Andair Valve Extension
Hi All,
I have searched the forums but still can't find the answer, does anyone have the ACS Part number for the Andair 6" valve extension that I have to get, the valve I have got from Vans but they dont have the extension. Brgs Chad |
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I just made the mount for my andair valve the other night. I made it out of two small pieces of angle and then a flat piece of aluminum and riveted close to the top of the tunnel. put nut plates on the valve itself so the tunnel cover can come off and the valve will stay in place. By moving the mount up you don't need an extension. At least it looks like it is going to work. Can get a picture tomorrow for you if your interested.
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It does work but you end up with hassle trying to route the rear heat duct. Ask me how I know...........
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I have done a lot of thinking about this over the years, and more lately, about the hot tunnel problems. With the heater valves closed, the scat tubes can go anywhere and it shouldn't heat anything up because there is no hot air passing them. I think it is more likely that heat from a hot firewall will transmit through the aluminum (heat sink) tunnel walls that is connected with rivets. Even more of an issue with the hot air from the heat muffs dumping right on that area of the firewall. The firewall itself gets really hot. I think insulation on the inside of the tunnel keeps the tunnel cool more than the tunnel walls cool. Insulation on the outside should keep the pilot/passenger more comfortable.
Is my reasoning way off here? I haven't done testing, but this is my thought. |
Bob,
In the current plans the scat runs over the top of the valve, not under it. Jesse, I agree with your observations. The hot tunnel was partially solved by the exhaust extension and downward deflection in the later produced kits. Also, using the stainless heat valves on the firewalls probably contributes to the cooler tunnel. I insulated the bottom of the tunnel with 2 layers of fiberfrax and one layer of 3/8" foam. Same with the firewall. My tunnel side walls are cool to the touch when the heat is off. |
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Sorry Bob, I mis-read!
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