1. Year and engine size: 1992 351 Windsor
2. Engine modifications: Stock
3. Exhaust: Everything new from the manfiolds back.
Summit Headers part number G9036 ceramic coated and polished inside and out, custom 2 1/2" die bent Y pipe with Magnaflow 33007 catalytic converter with post cat deleted. 2 1/2" alluminized single setup with a Flowmaster 40 series muffler exiting to a 3" stainless tip.
4. Sound level: At idle 2-3
Accelarating or under load: 5-6 very smooth with no drone very quiet inside the cab.
EDIT and UPDATE 1/4/2011:
I finally got my engine rebuilt and have the above plus the following enhancements...
Upped compression to 9.57-1
Edelbrock 3881 upper and lower intake.
Comp Cam 35-255-5 camshaft
Comp 1631-16 chromoly rockers.
Procomp 3035 alumminum heads with 160 runners, 62cc pocket, and 2.02 and 1.600" stainless swirled and undercut valves.