Rob wrote:

We are most interested a Ś99 Ford F-150 with the 5.4L engine. This has a maximum tow rating of 7,600# (regardless of rear axle ratio, but we would get the high-ratio 3.73:1), so it is obviously a combination that will "work".

Jerry replies:

We are towing a '97 Safari 5500 GVWR with a Ford F-150 351-EFI, 4W-eod tranny (not in OD when towing) and a 3.73 rear. We have had had excellent results. In our limited towing experience we have pulled in the Great Smokey Mts. of NC the Alleghenies in PA and the Blue Ridge in VA with no problems. Others in our WBCCI Unit are towing bigger with approximately the same combo and all report ok.

Hope this helps with your decision.

Jerry