turbo or supercharger?
11/5/12, 08:52 AM
#42
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11/5/12, 10:55 AM
#43
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Originally Posted by Nice Pony
Anywhere between 300rwhp to a little over 400rwhp depending on the system and how much boost. Some turbos have exceeded 500 but the engine is short lived at that much power.
Check out American Muscles v6 project
11/5/12, 12:59 PM
#45
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Originally Posted by Nice Pony
Yep...That 3.7 is a pretty sweet motor and strong a hell. I think it has actually been pushed well over 500rwhp now.
11/5/12, 02:51 PM
#46
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Here ya go. A 10.8 pass with a 3.7Turbo. They estimate 550RWHP
http://www.youtube.com/watch?v=rSvCW...ature=youtu.be
http://www.youtube.com/watch?v=rSvCW...ature=youtu.be
Last edited by Nice Pony; 11/5/12 at 03:00 PM.
1/10/13, 08:10 PM
#48
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Unless your going with a supercharger and getting 300rwhp and torque I would recommend getting forged internals. Also look up Xcharger. I almost got one instead of buying my GT. I like a root style better than a centri. There are turbo kits out there but the stock engine can only handle 300 to 350rwhp and torque. Though 350 if your lucky.
1/10/13, 08:31 PM
#49
The 4.0 can handle a lot without forged internals. Not sure where your information on the limits came from, but I know turbo and centri guys running >400 RWHP on the stock engine.
I was running just under 300 RWHP on the 2006 I sold in June - and that was from 90,000 miles when I installed the Xcharger to 203,000 when I sold it. It was still running mid 12's two weeks before I sold it and still checked out strong when the new owner took delivery with 203,000 on it. I even ran nitrous on it for two race seasons before I installed the Xcharger.
I was running just under 300 RWHP on the 2006 I sold in June - and that was from 90,000 miles when I installed the Xcharger to 203,000 when I sold it. It was still running mid 12's two weeks before I sold it and still checked out strong when the new owner took delivery with 203,000 on it. I even ran nitrous on it for two race seasons before I installed the Xcharger.
1/10/13, 08:34 PM
#50
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Once you double the output of a stock motor with FI. It's really only a matter of time before it breaks. The v6 though is not meant to go 400hp 300-350 is about it's limit. You got really lucky with yours just like some crazy GT owners are running 450 rwhp to 500rwhp lol sometimes you catch a break. Also your forgetting that 300rwhp is about 350 at the crank depending on what tranny you have. The stock v6 internals are not made to have 400rwhp at all but some people do get lucky.
Last edited by EuroGirl; 1/10/13 at 08:36 PM.
1/10/13, 09:35 PM
#51
Once you double the output of a stock motor with FI. It's really only a matter of time before it breaks. The v6 though is not meant to go 400hp 300-350 is about it's limit. You got really lucky with yours just like some crazy GT owners are running 450 rwhp to 500rwhp lol sometimes you catch a break. Also your forgetting that 300rwhp is about 350 at the crank depending on what tranny you have. The stock v6 internals are not made to have 400rwhp at all but some people do get lucky.
1/10/13, 09:37 PM
#52
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This thread is in the 05-10 v6. Also you said 4.0 v6. Having 400rwhp in a 05-10 v6 mustang is asking for trouble unless you have forged internals.
Last edited by EuroGirl; 1/10/13 at 09:39 PM.
1/10/13, 09:41 PM
#53
My sincere apologies for that mistake. I didn't realize this was in the the 05-10 v6 thread. Again my apologies to you and other readers.
1/10/13, 09:46 PM
#54
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Sorry haha I might have miss read the section as well! All it says for the section is v6 mods lol! Also I agree the 2011v6 is good for over 400rwhp! But the 4.0 would need forged internals after 300ish.
1/10/13, 09:52 PM
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1/10/13, 09:56 PM
#56
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No prob lol as for how much the new 2011+ v6's mustangs can take I would guess maybe 450 without forged realistically. Though I have heard 600 was the limit from one other person but that seems far fetched to me. Once you double a engines output unless you build it up its not going to last long. Exceptions go out to the 03-04 cobras that come built from the factory. Though you'll have to ask about the new v6's from more experienced people who have that engine. I only know about the 05-10 v6 mustangs and the 99-10 GT's
1/10/13, 09:59 PM
#57
No prob lol as for how much the new 2011+ v6's mustangs can take I would guess maybe 450 without forged realistically. Though I have heard 600 was the limit from one other person but that seems far fetched to me. Once you double a engines output unless you build it up its not going to last long. Exceptions go out to the 03-04 cobras that come built from the factory. Though you'll have to ask about the new v6's from more experienced people who have that engine. I only know about the 05-10 v6 mustangs and the 99-10 GT's
1/10/13, 10:04 PM
#58
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I would say give it a easy tune and get 400rwhp. After that instead of raising the boost why not get a bigger throttle body and full exhaust? Those are the supporting mods for a supercharger! Plus it'll make you happy when you step on it! Also the more boost the more likey it is for something to go wrong. But running it normally will give you a 50-60% increase! But the exhaust and throttle-body are still a good idea to get as well or possibly before going FI to set your engine up with the supporting mods first.
1/10/13, 11:34 PM
#59
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From all of my research the 4.0 actually comes stock with a forged crankshaft and connecting rods. The weak part of the engine is the pistons, I want to say they're only cast and cannot handle much detonation.
1/12/13, 12:49 PM
#60
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The 4.0SOHC has a cast nodular iron crankshaft, not forged steel, but I have never heard of one failing at any horsepower.
The 4.0SOHC rods are forged steel but they are not all that strong and have been known to fail at 450+ RWHP.
The 4.0SOHC pistons are cast hypereutectic aluminum which are very strong but also very brittle. They have a thin top ring land so will not hold up well to detonation. As long as you have a tune that is safe from detonation and all the other components like the fuel pump and injectors are in good shape they can handle a lot of power.
The 4.0SOHC block is cast iron and seems to be very strong but detonation can crack the cylinder wall.
Bottom line is detonation is really bad on the 4.0SOHC so keep your tune safe. Don't push it to the absolute edge and run it a little rich rather than lean. Around 11.5-11.7 WOT AFR seems to be the sweet spot.
The 4.0SOHC rods are forged steel but they are not all that strong and have been known to fail at 450+ RWHP.
The 4.0SOHC pistons are cast hypereutectic aluminum which are very strong but also very brittle. They have a thin top ring land so will not hold up well to detonation. As long as you have a tune that is safe from detonation and all the other components like the fuel pump and injectors are in good shape they can handle a lot of power.
The 4.0SOHC block is cast iron and seems to be very strong but detonation can crack the cylinder wall.
Bottom line is detonation is really bad on the 4.0SOHC so keep your tune safe. Don't push it to the absolute edge and run it a little rich rather than lean. Around 11.5-11.7 WOT AFR seems to be the sweet spot.
Last edited by Nice Pony; 1/12/13 at 12:53 PM.