I'm finally replacing the $89 air compressor I mounted on the frame 12 years ago (pic). It was adequate for re inflating the 285's (yes... quite slow) but won't budge the 315's. I bought the Extreme Outback Extremeaire Endura to replace it. 100% duty cycle and submersible (or so they say). I have a splash shield in place now that has worked very well for the old comp that I will keep in place for the new one.
My question - I want to run a line to the back bumper for a connect for my coil hose. What hose has anyone used between comp and connector. I have read guys will use steel braid at the output to minimize the heat transfer from comp to plastic/rubber hose.
You can get a good idea of what is available for hoses and fittings from the Viair website.viaircorp.com.
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Current van: 2002 Ford E350 extended body camper with Colorado Camper Van pop top and Agile Offroad 4WD conversion.
I have a ton of experience with air compressors (air ride on mini trucks) and never had any luck with regular air line exiting a compressor. Anything with a 100% duty cycle will obviously run hot and needs the support of a steel braided or vented output line. I'm currently running a Viair 444C unit on my van as a backup to my primary CO2 and it works fine (albeit painfully slow compared to CO2 or my mini truck's belt driven unit). I relocated the air inlet to the engine compartment above any potential water line so it could be submerged and survive.
I would also recommend a deflector or shroud to go around the head/heat sink area of the compressor as it can get packed with mud in that location (edit, I see you have this...). When packed, the head no longer has proper thermal dissipation and will overheat the cylinder and fail the piston ring/seal. I found out the hard way on a very expensive and beautiful AZ compressor. This is on my to-do list for the unit shown below; I rarely use it for more than the locker these days.
2002 Ford E350 V10 Traveler
Vantage Optics Headlights
I have a 4-gallon tank in there so the air flow is highest (when I hear the compressor cut off at max pressure) so I don't have to crouch down there at the tire so long. I have a 3-foot line (you can see it looped up) to let the air cool coming out of the compressor.