Thanks for the leads... will follow up and get back here.... I think the fire truck has a commercial application most likely to fit my need with existing 4K rpm.

Dave I beleive the deisel 3500 is fired from the alternator... which I can't undertand.

At 50mph flat out the engine should run at just under 3K... probably higher in lower gear.... so I think 4k is more appropriate... friend has downloaded S-W catalogue so I cna check it out.

Thanks for your help.

Bob C


Bob C.
CMP Heaven
The Hammond Barn