The cost of re-chroming the bumper will vary, depending on the part of the country where you live. Start with this website to get an idea of the cost and for links to vendors in your area: http://www.restorationchrome.com/price_guide.htm
No, the steel bumpers from a 1977 Camaro will not fit in a 1978 Camaro, As the 1978 "Bumper" is part of the front end. Taking off the 1978 "Bumper" would mean cutting it off, which would make the car look like something else.
No actual production numbers available, but such a truck would be a very rare find today
S&W never made a chrome 44.
classic usually has more options and more chrome trim
You can find a front bumper for a 1978 Pontiac Catalina at various places, including classic car parts websites like Classic Industries or YearOne. Local auto salvage yards or junkyards may have the part as well. Additionally, online marketplaces like eBay or Facebook Marketplace can be good options for finding used or new bumpers. Be sure to check forums dedicated to Pontiac enthusiasts, as members often sell parts or can direct you to reliable sources.
YES it will.
Yes it will.
Some differences found in the 1978 Camaro from the previous model include a new front and rear bumper and a hood scoop with a decal. You can get more information about this at the Wikipedia. Once on the page, type "Chevrolet Camaro (Second Generation)" into the search field at the top of the page and press enter to bring up the information.
1-4-3-2 one is front right - four is rear left (drivers side) - three is left front (drivers side) and two is right rear. As standing at the back of the bug looking at the engine, right is the passenger side, rear is the back of the car towards the rear bumper.
The propane connection in a 1978 Ford Chateau is typically located near the rear bumper of the vehicle. It is often housed in a compartment or under a cover for protection. Consult the owner's manual or the vehicle's service documentation for specific details on the exact location.
On the front of the engine
Diff'rent Strokes - 1978 The Front Page - 8.18 was released on: USA: 7 March 1986