2009 Chrysler 300 2.7 is crap - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 23 (permalink) Old 05-06-2008, 03:26 AM Thread Starter
 
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2009 Chrysler 300 2.7 is crap

What the heck happened.. look at these numbers..

Engines
dohc V6 sohc V6 ohv V8 ohv V8




Size, liters/cu. in. 2.7 /167 3.5 /215 5.7 /345 6.1 /370




Horsepower @ rpm. 178 @ 5500 250 @ 6400 340 @ 5000 425 @ 6000




Torque (lb-ft) @ rpm. 190 @ 4000 250 @ 3800 390 @ 4000 420 @ 4800

look at all that loss of horsepower.. yeah I now about the increased torque at lower rpm range.. but it doesn't warrent a loss off 18+HP.. jesus.. what happened here?
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post #2 of 23 (permalink) Old 05-07-2008, 02:20 PM
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When the 2.7 V6 was developed for the LX platform the intake manifold was changed from a short runner equal length 'low rumble' high flow design, to a longer runner unequal length one. (with a variable resonance intake manifold standart)
see mid-page
http://www.allpar.com/mopar/new6.html

The power from the LH2 [email protected], [email protected], was changed to [email protected], [email protected]

Chrysler just didn't have anyone to fix the typos, [email protected] was complete BS. That 6400 was for the dual length runner 3.5 V6.
I still think 178hp is a typo (it should be 188hp) see the Dodge Journey 186hp, (before the 2.7 was dropped) or Dodge Avenger 189hp, 191ft-lbs, Dodge Charger (should be 188hp), 190ft-lbs

9/11, still an inside job
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post #3 of 23 (permalink) Old 05-07-2008, 02:28 PM
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It's ok, NOBODY should be buying that car with anything less than the 5.7L anyways!



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post #4 of 23 (permalink) Old 05-07-2008, 02:33 PM
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^^Amen!!
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post #5 of 23 (permalink) Old 05-07-2008, 02:39 PM
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The 2008 300 I rented up in MN for he week had a 2.7L and it had alot of power....... More power than my 01 SE when i bought it brand new off the dodge dealership... But still it's a 2.7L
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post #6 of 23 (permalink) Old 05-07-2008, 03:23 PM
 
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Quote:
Originally Posted by 01Intrepid View Post
The 2008 300 I rented up in MN for he week had a 2.7L and it had alot of power....... More power than my 01 SE when i bought it brand new off the dodge dealership... But still it's a 2.7L
Difference in gearing maybe?
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post #7 of 23 (permalink) Old 05-07-2008, 03:42 PM
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Quote:
Originally Posted by Avenger View Post
It's ok, NOBODY should be buying that car with anything less than the 5.7L anyways!

I test drove a 300 Toruing with the 3.5 HO, and I was surprised with the power. It felt confident. I would take one...but I would prefer the 5.7!!
There is no way in hell I would run a 2.7 in these 4000+ lb cars!!



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post #8 of 23 (permalink) Old 05-07-2008, 03:58 PM
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What if it had MB's 7g-tronic?
or ZF 8 speed automatic?

none of this obsolete 4 speed automatic BS, or 5 speed crap.
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post #9 of 23 (permalink) Old 05-07-2008, 04:29 PM
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Quote:
Originally Posted by dsm_drew View Post
Difference in gearing maybe?
Yea, you maybe onto something........ But the factory exaust made it sound like it had a flow master 40!!! It sound really good
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post #10 of 23 (permalink) Old 05-07-2008, 05:18 PM
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Quote:
Originally Posted by Avenger View Post
It's ok, NOBODY should be buying that car with anything less than the 5.7L anyways!
Say What?

The intake on the 2.7 in the LX was reworked to get more torque at a lower rpm. This was to try to compensate for the added weight when the car is accelerating from a stop. The downside was that it lost horsepower and is slower than the Intrepid SE anyways.

I never feel underpowered with the 3.5 ...I still toast most full size Pickups and SUV's with larger V8's. Guy at work has a late 90's Dodge Ram SLT with a 360. I was behind him and he was trying to show me how fast it was. Well surprise surprise, my Magnum SXT was staying right with him easily.

Former 2001 Chrysler Intrepid SE owner

Currently own a 2012 Ford Focus
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post #11 of 23 (permalink) Old 05-07-2008, 05:41 PM
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The new 3.5s are also getting 35 mpg
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post #12 of 23 (permalink) Old 05-07-2008, 10:27 PM
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I not sure you should be comparing your wheels to a pickup as they are geared very different from any car on the market.
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post #13 of 23 (permalink) Old 05-08-2008, 12:49 PM
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Quote:
Originally Posted by dsm_drew View Post
Difference in gearing maybe?
The gearing on the 2.7 LX is taller (and the LX are heavier & less aerodynamic)
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post #14 of 23 (permalink) Old 05-08-2008, 12:58 PM
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Quote:
Originally Posted by Avenger View Post
It's ok, NOBODY should be buying that car with anything less than the 5.7L anyways!
Replace 5.7 with W5a580 5 speed automatic.
2.82 axle ratio for rear drive 5.7
3.07 axle ratio for 4matic 5.7
3.64 axle for 3.5 V6
3.90 axle for 2.7

The problem is that the 2.7 has the 3.9 axle but was only the craptastic 4 speed automatic. (and Cerberus no longer couples the 3.5 to the W5a580, so much for improving the product over time)
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post #15 of 23 (permalink) Old 05-11-2008, 12:20 PM
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Gearing does not affect horsepower.

As for power rating on a 2.7L. Seriously. If I was in the market for a LX and for some odd reason, maybe mileage or something. The loss of power would not bother me. Think about it. Anyone concerned with power should be taking Avenger's advice. 5.7 or 6.1.
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