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Yes, another Pentastar thread.

2K views 8 replies 5 participants last post by  Mr. Sinister 
#1 ·
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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#2 ·
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.
 
#7 ·
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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