Yes you can injectable tren for longer. The oral is much more harsh and thats why you want to limit it. If you have never used tren before, you should start with ace. It is easier to control than tren e. Not to mention, if you're already using test prop, it'll work out just fine with your EOD to ED injections. You can run prop and ace for 12 wks no problem, as long as you can handle EOD injections. Any less than that, and your blood levels will really be in flux. If you want to run dbol for wks 1-6, not an issue at all. it'll be a powerful cycle