You wont find a manual for the Mark III because its an aftermarket unit, you will have to utilize a Haynes Manual for an Econoline Van...Hope this helps
get a Haynes repair manual at Autozone,
advance
get a book..............auto repair manual.........book.
You can buy a manual repair at any automotive parts store like auto zone ,pepboys,orelley.Ask for a repair manual for Ford Taurus from 1992 to 1995.
You can get one here. www.tradebit.com/filedetail.php/127825290-1995-2005-hyundai-sonata-repair-service-manual
mitchell manuals, or sign up for DIYalldata.com
I'm guessing it is around 6500 pounds
according to a repair manual the 1995 5.7 v8 has 200 rpm's
Purchase a shop repair manual for that vehicle.
A diagram for a 1995 VW Jetta exhaust system can be found in a Chilton's Automotive Repair manual for that year and make of vehicle. This type of repair manual can be found at most automotive parts stores and possible at a public library.
Please visit your local auto parts store or your local dealer for the repair manual for the year make and model of the vehicle. You may also locate the repair manual online.
At the public library in the automotive manuals section --you can print from the books .