Speaking from experience I can say that getting those float bowls to clean up will be hard. That crust/mold that's on them hides a massive amount of corrosion underneath as a rule, I've just done a 550 clutch case that had the same stuff on it, I call it Knacker Rash
, underneath was a LOT of pinprick holes in the alloy. They didn't go very deep but the surface looked like the moons surface.
You'd also be advised to separate the lifter rod from the carb bracket, by drilling out the retaining rivet on the left side of the bracket. The rod usually rusts like hell if left in a damp environment, so much so I was having to get them hard chromed before I had some made in stainless steel, still got a couple if you find you want one. I've had the carb bracket both powder coated and ceramic coated in various colours, silver, chrome and black actually. All looked ok afterwards, ceramic coating is far better as it's much much thinner. The butterfly system can be zinc coated again and it will look like new afterwards.
I could post pics of some I've done to give you some ideas but the website I use to post pics is down atm.
