I have a 3.9L engine with an auto transmission, and I'm looking at a single turbo street kit at tmaturbos.com and after emailing the guy at the website and looking around the web I have determined that i can get 300-350 rwhp at 7-9lbs of boost on an entirely stock mustang.... but if i wanted to go any higher than that i would need forged internals, new injectors, and some transmission mods. does any one know where i can find these parts?

 

supersix for guts and you can get injectors from ford or off ebay american muscle sells shiftkits coolers and other tranny parts

 

300-350 rwhp is extremely high for an other wise 100% stock car at 7-9 psi. Depending on the type of induction and most importantly the efficiency of the blower you can expect 8-15 rwhp gains (again pending on the efficiency of the blower). So your V6 has around 160 rwhp stock, so 7 psi at a modest rating of 10 rwhp per PSI is 70 rwhp increase over stock or 230 rwhp. So in a nut shell, unless they're running a really high efficiency blower (which is unlikely due to the boost loads) then you're not gonna see anywhere near 300 rwhp.

 

i found an engine from moranav6racing.com that would suit my needs as far as being able to run a turbo, but i still need to know what parts i need for my transmission and rear end so i dont blow those up.... any sugjestions?

 

8.8" rear end out of a Mustang GT, or IRS out of a Cobra if you can find one (IRS brace is needed though)

GForce transmission rebuild kit. This will ensure your gears hold up (assuming you have a manual) If you have an auto then you should look at a shift kit and a better torque converter

 

how much hp and tq can that rear end handle, and what about my auto transmission?
Off topic question, How do you get you signature to show with a pic of your car?

 

The 8.8'' rear end will hold fine for your application, 350 rwhp isn't going to tear it up, and the cobra's irs is same story since the car comes stock with more than 350 rwhp. But like another guy said, It does not seem likely you will make 350 rwhp with a 100% stock car besides the blower. that's almost 200 rwhp over stock

 

Well put it this way, until the new GT500, all 86-2014 Mustang GT and Cobra (exclude 96-04 Cobras with 8.8" IRS rear) models use basically the same 8.8" rear end design, so it'll hold the power just find.