wow that zinc stuff is pricey!
Now i have more questions. I called around today to get quotes on sandblasting and most places said they cant do body panels because they will warp from the heat.
I have the "blast out of a bucket" abrasive gun from eastwood and its so slow! i was looking on harbor freight and came to find this one.
http://www.harborfreight.com/110-lb-pressurized-abrasive-blaster-95014.html would this sand blaster do the job of blasting doors/fenders and not warp the metal if i take the time? also can you use this one for soda blasting or is there even a difference? and how long does blasting usually take?
as for gun capabilities, I will have one once I figure out which one to buy. I want to find a decent one cause eventually i want to paint it myself and make it look good. but not sure what one

(never really looked

)
sorry, missed this...
eh, it's not $2 a can walmart stuff thats for sure... i pay $6 a can at work, pretty good compared to all the cr@p primers they sell in cans these days at $5... not sure where the guys are getting their best deals these days, usually it's about 9, 10 a can...
anyway... yup, as I've talked about often here, ya need to be very careful blasting large flats... I've seen guys warp the sh*t out of stuff....
generally this is alleviated by using other media, walnuts, plastic, etc.. many guys/shops are not capable of that tho, or don't want to be bothered...
one thing to keep in mind, big flats are BY FAR the easiest to contend with.. where sandblasting is invaluable is for all the nooks and crannies.. where you have body lines, edges, etc to structurally keep it from warping....
often at the resto shop, we would chemical strip the large warp-prone areas, hoods, roofs and such... then bring em down back and blast everything else, than just lightly hit the large areas to put a blast etch to it... your not on it long enough to get it hot..
and sure that blaster works fine, heck I only run the 20 lb version of that.... yes, soda could be run though it with some adjusting.. tho I'm not a huge fan of soda, takes forever, overly smooth finishes and even more blinding to use.. tho it's definitely healthier for ya...
and guns.. you can get cheesier guns in the $30, 40 range from HF, etc... but don't expect long life or top of the line atomizing from em.... if you bump it up to the $75 to 125 range there are some good options.. lower line Sharpes, the Devilbiss Starting Line series is nice, few others...