[shroom]

Ok, so, Im trying to get a used 04 GT, and will most likely put a supercharger or TT on it. Heres my question.

If I have 2 different setups, both equaling the same HP, will one of them be harder on y engine than the other? Even if they're at the same HP rating?

And also, is 350rwhp safe on a mustang gt's stock internals?

[RyanGT]

You will be safe to 400 on stock internals if you get a tune. Some will say 400-425 is fine, but much past 400 i wouldnt risk unless you plan on forging internals.

The TT setup will cost more. I would get a KB supercharger kit, i did and love it! But KB costs more than other sc kits, but i think it is worth the extra grand.

[raceruler03]

it all depends on where you want the power band to be. Going with a kenne bell is a really good way to go, because of having a constant power band. Its still cool to be able to adjust your boost on a twin turbo kit though.

[shroom]

Yes, that why i was kinda leaning towards a TT, so I can tune it on the fly. I mean I can also change the boost on a SC, but I'd have to mess with the pulleys. So I could easily change the boost for normal driving, or when i want to fly around. Which I like. I wouldn't have to constantly be pushing high boost.

400 hp at the wheels is perfectly safe on stock internals? Really?

[Forbiden]

I recommend TT

[MustangMatt96GT]

It also depends on how much boost you are using. It will take more boost for a supercharger than a twin turbo if I am not mistaken. Make sure you keep the boost lower to. Personally if you have the money go with the twin turbo!

[shroom]

I see. Hmm.....this i must think on. I still just love teh tunability of the TT. TT ftw! lol. Idk, depends on how much cash it will be when I do decide on a kit.

But it is clarified that a stock Gt will be perfectly safe up to/around 400 HP ?

[sonicblue]

yes it will be very safe at that level as long as ur tuner knows what he is doin. and if you are gonna twin turbo go ahead and get a built motor so you can actually take advantage of the tt set up.

[neckbonekat]

http://auto.howstuffworks.com/question122.htm
What is the difference between a turbocharger and a supercharger on a car's engine?

Let's start with the similarities. Both turbochargers and superchargers are called forced induction systems. They compress the air flowing into the engine (see How Car Engines Work for a description of airflow in a normal engine). The advantage of compressing the air is that it lets the engine stuff more air into a cylinder. More air means that more fuel can be stuffed in, too, so you get more power from each explosion in each cylinder. A turbo/supercharged engine produces more power overall than the same engine without the charging.

The typical boost provided by either a turbocharger or a supercharger is 6 to 8 pounds per square inch (psi). Since normal atmospheric pressure is 14.7 psi at sea level, you can see that you are getting about 50-percent more air into the engine. Therefore, you would expect to get 50-percent more power. It's not perfectly efficient, though, so you might get a 30-percent to 40-percent improvement instead.

The key difference between a turbocharger and a supercharger is its power supply. Something has to supply the power to run the air compressor. In a supercharger, there is a belt that connects directly to the engine. It gets its power the same way that the water pump or alternator does. A turbocharger, on the other hand, gets its power from the exhaust stream. The exhaust runs through a turbine, which in turn spins the compressor (see How Gas Turbine Engines Work for details).

There are tradeoffs in both systems. In theory, a turbocharger is more efficient because it is using the "wasted" energy in the exhaust stream for its power source. On the other hand, a turbocharger causes some amount of back pressure in the exhaust system and tends to provide less boost until the engine is running at higher RPMs. Superchargers are easier to install but tend to be more expensive.

[shroom]

Yeah, I knew a supercharger was easier to install, but I mean does a TT setup just take more time? Or would I have to really rip apart my whole engine to get everything hooked up right? What I really want to know is could a simpleton like me hook up a TT? Im actually pretty good with legos .....


P.S. Yesterday was a good day. I saw a terminator, then an hour later, saw a 65 fastback (for sale) .

[bransdaman78]

turbo on a stock motor is bad news at pretty much any power level, turbos do not produce consistant power, they will spike and change run after run - thats why they are no good on a stock motors - if you tune them to 400 initally another week or run it might put down 450 and boom. Turbos also lagg more than most people think. The kB is a nice, but with a built motor you redline chnages - so you can tach alomost 8k rpms - and the turbo or centri will be blowing the KB away in that range. The centri is the best bet IMO, because lagg is never an issue, they are consistant, they are very street friendly, easy to tune,... I say centri and n20 is the best way to go, but i could be wrong and it mostly depends on preference bc any setup can be badass with enough work put into it

[shroom]

Turbos can spike 50hp between runs? Im not trying to dissbelieve you, as im sure you have more experiance with this stuff. But I've never heard this before?

[Invictus]

a supercharger is eaiser to install but i dont think they're more expensive

[MustangMatt96GT]

I have never heard of that ethier, the wastegate determines the amount of boost that is being allowed in so, just set the wastegate at a safe level.

[Invictus]

Originally Posted by sonicblue yes it will be very safe at that level as long as ur tuner knows what he is doin. and if you are gonna twin turbo go ahead and get a built motor so you can actually take advantage of the tt set up.

+1

[bransdaman78]

Originally Posted by MustangMatt96GT I have never heard of that ethier, the wastegate determines the amount of boost that is being allowed in so, just set the wastegate at a safe level.

while that seems like a solution to the problem it doesnt seem to work out, Ive been around projects with fully forged everything top notch and basement builds - all doing the same thing, the other problem with front mount turbos and non forged motors is heat, even with intercoolers the intake temps are higher, also 4lbs of boost on a turbo is differnet then 4lbs on a s/c. The turbos build power quicker in most cases, and just like a KB they put a considerable amount more strain on the engine. also turbos are much harder to tune with low boost numbers like 4 or 6 lbs bc the wastegates and bovs are not in their inranges to be as accurate and reliable as we might hope. I mean we can argue either way about alot of things, but one thing I know is true - every single basement turbo setup ive seen on a stock motor has blown up within a few months, but im not telling fact from fiction - just my opinion so take it or leave it. Ill offer any support i have to anybody with any setup if they want it.

[bransdaman78]

and that top turbo system was on a Dss pro mod with a HP twin upgrades... really sucked to watch all that go by by on the dyno

[mjkids]

i agree with bransdaman78 if you are going to just bolt on then go with the supercharger, the tt needs the engine to be beef up. the tt is on the pedal and the supercharger start make power at 3 to 4 r's less strain on the engine and heat can a problem you still have to stop it from heating up so in the long run supercharge would be a better or if you are ready to sended $ go with tt

[MustangMatt96GT]

Yeah definatly go with the Supercharger. And bransdaman78 I learn something new everyday. I knew about the heat and the quicker spool times and all of that, I just did not think that they vary that much, but aperantly they do. Thanks for the clarification!

[bransdaman78]

well i dont want to be all anti turbo bc they are sick, they just take more investment... another missnomer is that centri's dont add power unitl 3k rpm - which is not entirely true, even at idle its like have a leafblower at full blast on your intake. and most systems see boost around 2800 or so, so its not that big a deal, and the larger the turbo you go the higher up the rpm range it will start to make boost, of course they hit full boost sooner, but its hard enough to make a stock GT keep traction off the line much less with 2x the power, the centri will catch the kb in the middle range and win up top... I know im coming off really biased here but the easiest way to have a fast 1/4 car is the centri and suspension