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Old 10-04-2010, 05:34 PM   #1
Rage
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Why does Ford give same engine for auto?

I have an LS3, but just curious as to why the my little pony guys get the same engine for the auto and our auto brethren get the toned down L99? Not flaming, just curious......
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Old 10-04-2010, 05:35 PM   #2
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Fuel economy. CAFE
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Old 10-04-2010, 05:37 PM   #3
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Cuz GM doesn't know how to properly engineer an 8cyl that works with both trannies?????
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Old 10-04-2010, 05:40 PM   #4
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Because Manuals are better (for PQ)
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Old 10-04-2010, 05:41 PM   #5
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Quote:
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Because Manuals are better (for PQ)

Yeah there is that too.

Still though, why screw over a group because you can't engineer a damn motor to work both ways.
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Old 10-04-2010, 08:24 PM   #6
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Cuz GM doesn't know how to properly engineer an 8cyl that works with both trannies?????
this
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Old 10-04-2010, 08:27 PM   #7
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Its because of the AFM (active fuel management) to get the autos better gas millage.
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Old 10-04-2010, 08:27 PM   #8
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Quote:
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Because Manuals are better (for PQ)
+1...
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Old 10-04-2010, 08:28 PM   #9
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the l99 engine is was defiantly a mistake by GM.. i mean its a good engine.. but they should have had a option where you can get a ls3 in a auto
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Old 10-04-2010, 08:34 PM   #10
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GM does it so we don't have to pay gas guzzler tax .... After all the LS3 is available both ways on the Vette ...
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Old 10-04-2010, 08:36 PM   #11
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Like I said CAFE. And manuals are better
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Old 10-04-2010, 08:37 PM   #12
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GM does it so we don't have to pay gas guzzler tax .... After all the LS3 is available both ways on the Vette ...
does the mustang auto get a tax?
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Old 10-04-2010, 08:38 PM   #13
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Cuz Ford jsut doesn't have the money and intelligence to that!!
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Old 10-04-2010, 08:41 PM   #14
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Quote:
Originally Posted by Rage View Post
I have an LS3, but just curious as to why the my little pony guys get the same engine for the auto and our auto brethren get the toned down L99? Not flaming, just curious......
Different companies...different methods. To my knowledge, Ford does not have a displacement on demand feature available in its powertrains. Similarly, The LS-series engine is old. Certain efficiency innovations the Mustang's engine employs are not currently available in GM engines.

The L99/A6 combo was the brainchild of mpg goals. DoD was not compatible with manual transmissions, so it could only be paired with the automatic transmission. And the 'down tuning' is a side-effect of the fuel-saving feature. The lower-profile cam, mainly.

When you stop to think about it...25mpg hwy is better than some large cars...The V6 CTS only gets 26. Ford was able to get similar numbers in their own way.

Hope that answered the question.
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