4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.
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Old Mar 2, 2009 | 08:53 PM
  #41  
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2000AZ5.0GT
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Oh, and BTW, two cars with the same exact power level, except one is a big NA beast, and ones running a turbo, the FI car is going to out trap it no matter what. Period. End of story.
Old Mar 2, 2009 | 08:54 PM
  #42  
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Originally Posted by 72MachOne99GT
But what I am saying is if the car's are trapping that much higher, is it not because of a lack of traction?

An F/I car that traps 10 mph higher than an N/A car at the SAME ET OUGHT to be capable of a lot more.

Not if they are a good driver. my 127 trap wasn't even close to what my car is capable of. I didn't even see WOT until 3rd gear, it wasn't because of a lack of traction. If I had been WOT in first and second, I probably would have ran something like a 13 second ET, and a 145mph trap :P
Old Mar 2, 2009 | 08:56 PM
  #43  
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Originally Posted by 2000AZ5.0GT
Not if they are a good driver. my 127 trap wasn't even close to what my car is capable of. I didn't even see WOT until 3rd gear, it wasn't because of a lack of traction.
Which means that you can NOT compare your traps to other traps of N/A cars that are running similar times, because you just said it yourself. That your car is capable of a lot more.

Which is just like my example. I could go run a 14.5@102 and claim to be faster than a F/I car that got good traction and ran a 14.5@95 for example.

I just think you're being WAY too broad in your statements.
Old Mar 2, 2009 | 08:58 PM
  #44  
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if you have the money for it, supercharge it. its the best way to add power. I, however dont have the spare change to forge my internals and buy a blower with supporting mods, so im looking at heads and cams for my stang.
Old Mar 2, 2009 | 09:07 PM
  #45  
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Originally Posted by 72MachOne99GT
Which means that you can NOT compare your traps to other traps of N/A cars that are running similar times, because you just said it yourself. That your car is capable of a lot more.

Which is just like my example. I could go run a 14.5@102 and claim to be faster than a F/I car that got good traction and ran a 14.5@95 for example.

I just think you're being WAY too broad in your statements.

no I'm not. The bottom line is that a NA car is going to out ET a FI car because of average power/torque, and a FI car is going to out trap it.

I'm telling you. Guys who are running 118 on FI cars are ET'ing 11.8, mainly because they don't have as much AVERAGE power as NA cars running the same ET.

I'm not generalizing at all. Go pull up timeslips of FI guys trapping 118. They are going to be running much higher ET's, and that's not because of a lack of traction.

FI pull more up top than NA cars for the most part. There are a few exceptions, but lets face it.

Look at Evolution performance. When Cody is running 9's and 8's in his purple car, he's trapping mid 130's. Evolution performance just put a GT500 into 8.90's trapping 160+mph. They ran mid 9's trapping 149. So running an equivalent time (ON SLICKS mind you), they were trapping 15mph faster than Cody's car.
Old Mar 2, 2009 | 09:09 PM
  #46  
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oh, and yes I can compare my times to a guy running NA, because I was at the limit of traction and power. I couldn't have applied more throttle or more boost, otherwise I would have been slower, which means i was down on power.

Go get two guys, one NA, one FI, same powerlevel, the guy with FI is going to be trapping higher. Period
Old Mar 2, 2009 | 09:25 PM
  #47  
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ok. so what good is trapping higher?
Old Mar 2, 2009 | 09:28 PM
  #48  
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i can honestly say that i really dont understand what this concept of trapping is, lol. only went to the track once, dont understand everything yet lol. and jrock, arent heads and cams still going to be close to 2000? at that point u may as well do the 1500 dollar supercharge?
Old Mar 2, 2009 | 09:32 PM
  #49  
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Originally Posted by boduke0220
ok. so what good is trapping higher?
well, it's a good equalizer if your racing on something other than a drag strip, like on a open course or something. Plus, I was just pointing it out. Idk why 72mach is having such a tough time with it

Originally Posted by Tha187Rookie
i can honestly say that i really dont understand what this concept of trapping is, lol. only went to the track once, dont understand everything yet lol. and jrock, arent heads and cams still going to be close to 2000? at that point u may as well do the 1500 dollar supercharge?

you see that time in my sig, 11.07 @127mph? 127 was my trap speed, or my average speed over the last 60ft. Your "trap" speed is the terminal speed at the end of a run on a drag strip. So when it says 1/4 mph, that's your Trap speed
Old Mar 2, 2009 | 09:44 PM
  #50  
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ok, i think i got ya. basically, a N/A car has more consistant power, which would make the trap speed lower since it runs at a more consistant pace. a S/C car has a high trap speed due to the higher top end power, a S/C car would play catch up while a N/A car may have the jump but they finish even? i think i got it? lol



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