Just found this site.I put an 89 302HO in my 53 f-100 with an AOD trans.Switched to carb.If you drive it like your family car it will run just fine.It will go down the road as fast as you want to cruise.If you just tromp on it will act like the exhaust is smashed shut.After some research I came to find out that it is the cam thats causing it.Just thought this might help...Lash