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Old 04-16-2012, 12:13 PM   #183
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Originally Posted by 25th92rs View Post
So.... 506 rwhp on their stock ZL1 baseline dyno pull. At a typical 20% drivetrain loss that puts the LSA at somewhere around 635HP at the crank (not the SAE rated 580). If Ford isn't underrating their new 2013 GT500 I would have to say that they're pretty equal and we still have yet to see if the GT500 can put the power to the ground like they've had sooooo much trouble with in the past.
You cannot use a dyno number and try to back into the Crank horsepower number. Manufacturers do not "underrate" cars tody.

I think the times are what should be expected.
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Old 04-16-2012, 12:55 PM   #184
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Originally Posted by The IOM Ninja View Post
You realize SAE ratings exist so that manufactures can't do this right?

It's also already well known the Ford has underrated the 2013 5.8. It makes 670HP at its extended redline of 7000 RPM, 650HP at 6250 RPM.

About all that can be left to see is whether or not Ford's launch control is as good as stated...
The only thing I call into question is that, from reports I've read, that this is an over-boost mode, so-to-speak. If it were meant to run that hard all the time, why make it a temporary mode? If my understanding is incorrect, I withdraw my comments, but it's just a tiny bit suspect, hence why Ford is rating it what they are. 650 is still considerable
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Old 04-16-2012, 01:01 PM   #185
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Quote:
Originally Posted by 25th92rs View Post
So.... 506 rwhp on their stock ZL1 baseline dyno pull. At a typical 20% drivetrain loss that puts the LSA at somewhere around 635HP at the crank (not the SAE rated 580). If Ford isn't underrating their new 2013 GT500 I would have to say that they're pretty equal and we still have yet to see if the GT500 can put the power to the ground like they've had sooooo much trouble with in the past.

It does not have a 20% drivetrain loss,any more than it's "underrated". The LSA is SAE certified.
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Old 04-16-2012, 01:04 PM   #186
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Originally Posted by radz28 View Post
The only thing I call into question is that, from reports I've read, that this is an over-boost mode, so-to-speak. If it were meant to run that hard all the time, why make it a temporary mode? If my understanding is incorrect, I withdraw my comments, but it's just a tiny bit suspect, hence why Ford is rating it what they are. 650 is still considerable
It's actually an over-rev, and it allows you 8 seconds it so between 6250 - 7000 RPM, you would never really need to be in that range for more than 8 seconds if you're shifting.
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Old 04-16-2012, 02:05 PM   #187
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Originally Posted by The IOM Ninja View Post
It's actually an over-rev, and it allows you 8 seconds it so between 6250 - 7000 RPM, you would never really need to be in that range for more than 8 seconds if you're shifting.
Probably will make it have a killer 1/4 time just because of this
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Old 04-16-2012, 02:15 PM   #188
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Probably will make it have a killer 1/4 time just because of this
If the launch control is good it should, the 0-100 KM/H (0-62 MPH) in first gear helps too...
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Old 04-16-2012, 02:30 PM   #189
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If the launch control is good it should, the 0-100 KM/H (0-62 MPH) in first gear helps too...
Mid to low 11's on stock rubber?
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Old 04-16-2012, 02:34 PM   #190
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Mid to low 11's on stock rubber?
That seems to be the consensus if it does hook up....
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Old 04-16-2012, 03:08 PM   #191
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That seems to be the consensus if it does hook up....
this is why I want to see real world. Every compnay talks about launch control but then you dive the car and it is not as fast as just disabling it and launching the car right.

If the GT500 can really but put in launch control and run 11.7 all day long on stock rubber than that is just awesome good job ford. I just want to see it as I have never driven a RWD car yet that leaving the factory controls in place nets better ET.

GM talked up the launch control on this car but it does not really do well.
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Old 04-16-2012, 04:17 PM   #192
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Quote:
Originally Posted by The IOM Ninja View Post
You realize SAE ratings exist so that manufactures can't do this right?

It's also already well known the Ford has underrated the 2013 5.8. It makes 670HP at its extended redline of 7000 RPM, 650HP at 6250 RPM.

About all that can be left to see is whether or not Ford's launch control is as good as stated...



The 670 is a moot point because it can't maintain that RPM for any useful length of time.
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Old 04-16-2012, 04:21 PM   #193
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Shoot put porky on a diet.

I agree...start drillin'
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Old 04-16-2012, 04:23 PM   #194
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The 670 is a moot point because it can't maintain that RPM for any useful length of time.
The quarter mile
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Old 04-16-2012, 04:26 PM   #195
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So what did their Cars run stock before the mods?
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Old 04-16-2012, 04:57 PM   #196
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Originally Posted by 2012ZL1 View Post
The 670 is a moot point because it can't maintain that RPM for any useful length of time.
What useful length of time do you need to maintain max RPM's? I don't know too many people who drive around at max revs for more than eight seconds. If you're going down the 1/4 mile, you won't be at max revs for more than a second or two.
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