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Old 08-23-2010, 01:11 PM   #1
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Yes, another Pentastar thread.

OK, I've read all the other stuff and seen a lot of posts about the Pentastar arriving n 2012 or whenever. I'd like to offer some thoughts:

1: Why wasn't there a big jump in power when the 3.8 was introduced in the Jeep? Why even use the 3.8? There are more powerful V6's in their inventory (the 3.5L comes to mind, it looks like it would fit). Low end power actually decreased with the 3.8 despite higher peak HP and TQ numbers.

2: Why would Chrysler do all this revision work to only use this engine for 5 model years?

3: Would Chrysler really put 290 hp in a vehicle with an already high rollover risk? Can you imagine all the new Jeep owners getting in over their head with that much power in a small wheelbase? We're a little more familiar with Jeeps than the average new Jeep owner, so we know how to drive them. It wouldn't work without some serious suspension revisions. You can't just add 85hp and call it done.

4: I would expect the Diesel engine before the Pentastar in the Wrangler.

5: Are the current transmissions going to stand up to the added power?

Just thinking out loud.

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Old 08-23-2010, 01:16 PM   #2
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I haven't read enough of the threads, but maybe they only offer the V8 in the 4dr with the longer/wider base and keep the V6 in the 2dr.

How many other vehicles do they use the 3.8L in? Maybe it was just an easy move to fit it in the Jeep as well as other vehicles.

What was the lifecycle of the other models? Maybe they're moving to a 5 year program with any major revisions. Would cut down on their maintenance costs as the plant and fab machinery was getting older. Change every 5 years and get new mfg gear.

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Old 08-23-2010, 01:21 PM   #3
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Its called the Parts Bin,,,,,,,,,

New motor will be great,,, and gets better mpg.

USA dont do diesels,,,, take that up with big oil. Follow the money trail.
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Old 08-23-2010, 01:27 PM   #4
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Originally Posted by mariner09 View Post
I haven't read enough of the threads, but maybe they only offer the V8 in the 4dr with the longer/wider base and keep the V6 in the 2dr.

How many other vehicles do they use the 3.8L in? Maybe it was just an easy move to fit it in the Jeep as well as other vehicles.

What was the lifecycle of the other models? Maybe they're moving to a 5 year program with any major revisions. Would cut down on their maintenance costs as the plant and fab machinery was getting older. Change every 5 years and get new mfg gear.
i think just the minivans.

i don't see a v8 wrangler ever happening again, but it would be sweet. 5.7 hemi!!

who knows what Fiat has planned, but i have some serious doubts that they know how to build a capable off road vehicle.
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Old 08-23-2010, 01:29 PM   #5
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Its called the Parts Bin,,,,,,,,,

New motor will be great,,, and gets better mpg.

USA dont do diesels,,,, take that up with big oil. Follow the money trail.
i love the line "americans don't want diesels". well, have you ever offered one? the half-assed liberty attempt that died because of "emissions standards", while you see big diesel trucks spewing black clouds everywhere from crappy tunes.
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Old 08-23-2010, 01:31 PM   #6
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Quote:
Originally Posted by mariner09 View Post
I haven't read enough of the threads, but maybe they only offer the V8 in the 4dr with the longer/wider base and keep the V6 in the 2dr.

How many other vehicles do they use the 3.8L in? Maybe it was just an easy move to fit it in the Jeep as well as other vehicles.

What was the lifecycle of the other models? Maybe they're moving to a 5 year program with any major revisions. Would cut down on their maintenance costs as the plant and fab machinery was getting older. Change every 5 years and get new mfg gear.
Pentastar is a 3.6 V6.
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Old 08-23-2010, 01:37 PM   #7
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Quote:
Originally Posted by Mr. Sinister View Post
OK, I've read all the other stuff and seen a lot of posts about the Pentastar arriving n 2012 or whenever. I'd like to offer some thoughts:

1: Why wasn't there a big jump in power when the 3.8 was introduced in the Jeep? Why even use the 3.8? There are more powerful V6's in their inventory (the 3.5L comes to mind, it looks like it would fit). Low end power actually decreased with the 3.8 despite higher peak HP and TQ numbers.

2: Why would Chrysler do all this revision work to only use this engine for 5 model years?

3: Would Chrysler really put 290 hp in a vehicle with an already high rollover risk? Can you imagine all the new Jeep owners getting in over their head with that much power in a small wheelbase? We're a little more familiar with Jeeps than the average new Jeep owner, so we know how to drive them. It wouldn't work without some serious suspension revisions. You can't just add 85hp and call it done.

4: I would expect the Diesel engine before the Pentastar in the Wrangler.

5: Are the current transmissions going to stand up to the added power?

Just thinking out loud.
MPG, cost, cost, yes, no, no.
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Old 08-23-2010, 02:23 PM   #8
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Originally Posted by Mr. Sinister View Post
i love the line "americans don't want diesels". well, have you ever offered one? the half-assed liberty attempt that died because of "emissions standards", while you see big diesel trucks spewing black clouds everywhere from crappy tunes.
It has nothing to do with "Americans don't want diesels", it's just our infrastructure isn't set up to support it.
i don't know any hard numbers, but not every gas station has diesel pumps in my area.
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Old 08-23-2010, 03:22 PM   #9
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what i mean is that is the common answer given by industry execs when asked why there aren't more diesels here.
but you can bet if people do have access to more diesels and they do start buying them, gas stations will be on board in a hurry.

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