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Gary D.:Couple of questions.
Has it had valves in it in the past that are just missing?
Is it a semi dry suit you are trying to convert?
Is this a waterski suit your trying to dive with?
Remember it takes two valves so which one are you refering to?
Gary D.
jonnythan:The major problem with watersports drysuits is fit. First, you generally have ankle seals instead of built in booties. Ankle seals never seal all that well.. and if you're diving and have your feet "up," air will escape through the ankles and water will enter.
The second thing is fit. Watersports drysuits are always cut way larger than you want for a diving drysuit. You'll have issues with air trapping and buoyancy, particularly if you use the drysuit for buoyancy. You can get a good *scuba* drysuit package for as little as $700 so I suggest you go that route instead.
bcsean:diving without valves could be painful in a hurry. Gonna get cozy quick. If it fits well, you could also look at getting boots installed along with the valves. Just make sure this doesn't get to be too expensive, cause you could probably sell that suit off for a few bucks and with the difference, buy a proper drysuit. Just a thought.
DA Aquamaster:If it is a well made suit I see no particular problem with adding a set of latex booties and a set of dry valves. However the boots could run $100 or so to add and a pair of decent dry valves will also run another $150-$200 so you are going to have another $300 or so into the suit before you are through. Most surface only dry suits tend to be the coated nylon pack cloth variety instead of trilam construction and are not particularly durable or long lived. If that is what you have, I'd reconsider upgrading it as you can get a good used trilam or neoprene drysuit sans underwear for about the same amount of money.