Why is a Q a Q?

My understanding for the Q design is that Chris Craft was looking for a way to lower overhead clearance or fit a std motor in a smaller space vertically. By swapping the motor around you can mount it on a down angle put a shim or custom maniflod on the carb and get a lower profile for mounting it. Now where did I leave that Chris Flyer for the Q motor oh here it is. The Q motor in the 350 version was a mere 18 and 5/8 inches form the center of the crank to the top of the flame arrestor with an additional 8 3/4 inches to the bottom of the oil pan you are only talking a motor 27 and 3/8 inches tall overall and that is with an oil pan that holds 6.5 to 7 qts of oil. Now the 350 G inboard motor which I dont have a lot of specs on has an above center line height of 20 inches so it was a bit taller. Chris Craft called the Q "A good commercial fishing boat engine." I guess because of its lower profile and flat torque spec from about 2900 rpm to 3300 rpm. The amazing thing about the Q is that it cost more than the base 350 which put out more horsepower at 260 as compared to the Q's 235. I have a Chris Craft marine engine price list from 1973 which states the 350 G with a 2.5 to 1 trans was $2695 but a 350 Q with a 2.5 to 1 trans was $2830. I also have a 1972 price list and the 427 with 2.5 to 1 is listed at $3320 the Q in 1972 was $2750 it appears that 1972 was tha last year for the 427 as it is not listed on my 73 list from Sept of that year my 72 list is from Feb.