And a 4k curb weight
I thought mine was a dog with the 3.7 and 3.73s. S/B interesting to see if it can get out of its own way.
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| 08 Libby has 3.21 gears?? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=23454 |
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| Author: | FreeJeep [ Tue Aug 14, 2007 5:54 pm ] |
| Post subject: | 08 Libby has 3.21 gears?? |
And a 4k curb weight I thought mine was a dog with the 3.7 and 3.73s. S/B interesting to see if it can get out of its own way.
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| Author: | KY Liberty [ Tue Aug 14, 2007 7:02 pm ] |
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Yeah, I think it's going to be really sluggish off the line with the 3.21's. Also has an EGR, which could help mpg, but will probably hurt performance a little too. |
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| Author: | the1jferg [ Tue Aug 14, 2007 8:11 pm ] |
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I discussed this in the KK section, Someone pointed out it was a misprint because other builds show 3.73. I called them and they told me 3.73 |
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| Author: | sleeve84028 [ Tue Aug 14, 2007 8:35 pm ] |
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Yeah just a misprint... You'll notice the MPG for HWY didn't go up which indicates no change in rear gear ratio or final drive for that matter.... Still pretty porky looking though |
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| Author: | KY Liberty [ Tue Aug 14, 2007 9:09 pm ] |
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Good that it's a misprint. That would have been terrible. Anyone know if the 9.7:1 compression ratio is a misprint too? |
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| Author: | sleeve84028 [ Tue Aug 14, 2007 10:05 pm ] |
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Isn't that what the current 3.7 is for compression too? (it's a carry over engine) |
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| Author: | KY Liberty [ Tue Aug 14, 2007 10:06 pm ] |
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Maybe, I thought the older ones were 9.1:1. Or is that a misprint? |
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| Author: | sleeve84028 [ Wed Aug 15, 2007 7:46 am ] |
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You are correct [as I suspected] that the current engine is 9.1:1 compression. I check two seperate model years 2002 and 2004 just to make sure... If it's not a misprint, maybe the Chrysler powertrain engineers bumped the compression a half a point to try and recurve some of the power? I don't think that they would go through all that trouble just to get the same HP/Torque figures though so I'm guessing it's a missprint as well. |
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