I know- for the amount of work, it isn't. However if the conversion was a bolt-on I'd be all over it. If I was entering my vehicle in a fuel economy competition with prize money I'd do it.
http://fleetowner.com/regulations/truck-stops-here-0201
Drums CAN still do the job for the proposed regs but on trucks- the severest sevice- at some point the owner
may opt for disks.
I've never said disks weren't the best choice for severe service. I like the disk on the snowmobile. My street cars don't ever see severe service. And GAWD the disk system on the Goldwing is such crap I'd like to bolt old drum braked wheels onto it, if the cost wasn't prohibitive. But I've figured out how to live with it: disassemble the calipers every couple of years and clear the corrosion outta the seal grooves.
