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Old 02-04-2009, 10:04 AM   #1
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2009 Suburban

Was looking at the Chebby site a bit ago and found a few things.

As you know, recently GM dropped the 8.1L that was found in both the Silverado and the Suburban.

What I found for 2009 in terms of the Suburban is that you cannot get 4.10 gears anymore, even with 3/4 ton. 3.73 is the largest you can go. Half ton Burbs can only get 3.42s

Both seem to now have an integrated brake controller.

1/2 ton like last model year gets standard the 5.3L, but also an optional 6.0L.

What was odd and maybe just an error, the 3/4 ton's 6.0L off the website has a 351hp 6.0L engine, while the optional engine in the 1/2 ton 6.0L is a 366hp??

At any rate, I was not shocked but disappointed that the 8.1L disappeared in Suburban and also equally unhappy that a diesel for Suburban has yet to materialize, but thought I'd share some of the gearing changes I found for 2009 in Suburban.....
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Old 02-04-2009, 10:30 AM   #2
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Thumbs down

Plus they dropped the tow rating to 9600lbs.

Glad we got our's when we did.
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Old 02-04-2009, 10:42 AM   #3
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Quote:
Originally Posted by Silvertwinkie View Post
...Both seem to now have an integrated brake controller...
Please fill us in on this... since I own an '09 Suburban and didn't know that.

I'll have to check my owners manual tonight.
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Old 02-04-2009, 10:51 AM   #4
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That's a shame....the 4.10 gears have been around for ever and have been a very effective rear end. How will the 3.75 gears effect pulling not to mention smaller engine?

Kani


Quote:
Originally Posted by Silvertwinkie View Post
Was looking at the Chebby site a bit ago and found a few things.

As you know, recently GM dropped the 8.1L that was found in both the Silverado and the Suburban.

What I found for 2009 in terms of the Suburban is that you cannot get 4.10 gears anymore, even with 3/4 ton. 3.73 is the largest you can go. Half ton Burbs can only get 3.42s

Both seem to now have an integrated brake controller.

1/2 ton like last model year gets standard the 5.3L, but also an optional 6.0L.

What was odd and maybe just an error, the 3/4 ton's 6.0L off the website has a 351hp 6.0L engine, while the optional engine in the 1/2 ton 6.0L is a 366hp??

At any rate, I was not shocked but disappointed that the 8.1L disappeared in Suburban and also equally unhappy that a diesel for Suburban has yet to materialize, but thought I'd share some of the gearing changes I found for 2009 in Suburban.....
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Old 02-04-2009, 10:58 AM   #5
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Please fill us in on this... since I own an '09 Suburban and didn't know that.

I'll have to check my owners manual tonight.
Available with the LTZ Option package.
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Old 02-04-2009, 11:15 AM   #6
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Available with the LTZ Option package.
According to Edmunds "Other major options for the Suburban ...a heavy-duty tow package (now with an integrated trailer brake controller)"
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Old 02-04-2009, 11:27 AM   #7
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once those knuckleheads realize there's still a huge demand for super'burbs, they'll come around... if they're still around
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Old 02-04-2009, 11:35 AM   #8
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Quite simply, the 3.73 gear ratio will not get you over the "humps" quite the same way a 4.10 gear will..Depending, with your load and, the smaller engine plus the 3.73 gearing, you may very well find yourself over in the far, far right lane...Doing 40mph with the pedal to the metal. Not a very nice feeling..
Having said all of that, you can still order an "After Market" 4.10 gear package. Just be sure you order both kits , for the front and rear, if you are 4x4..
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Old 02-04-2009, 11:50 AM   #9
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Quite simply, the 3.73 gear ratio will not get you over the "humps" quite the same way a 4.10 gear will..Depending, with your load and, the smaller engine plus the 3.73 gearing, you may very well find yourself over in the far, far right lane...Doing 40mph with the pedal to the metal. Not a very nice feeling..
Having said all of that, you can still order an "After Market" 4.10 gear package. Just be sure you order both kits , for the front and rear, if you are 4x4..
i agree.. problem is that 4.10 kit and labor is $$$... not a DIY job... my heavy-chevy dealer wouldn't give me a definitive answer on whether it invalidated my warranty, either...
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Old 02-04-2009, 11:58 AM   #10
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Quote:
Originally Posted by Silvertwinkie View Post
What I found for 2009 in terms of the Suburban is that you cannot get 4.10 gears anymore, even with 3/4 ton. 3.73 is the largest you can go. Half ton Burbs can only get 3.42s
And, hence, the comensurate drop in tow rating...however, if you need/like an SUV for towing, there is none better than the Burb...we had two and really loved em'. Great all around Family/Tow/Adventure vehicle...
9600# tow rating will pull anything AS ever made (except 5er'!) in style.

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Old 02-04-2009, 12:23 PM   #11
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The dropped options is likley due to lower sales and pressure on MPG ratings for the fleet. With the current economic conditions I would not be surprised to more changes like this.

And more combo option packages. You want this specific option???? Then you have to order this package on this model only. Keeps the line moving with less costs. And less costs are going to be the focus for awhile.

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Old 02-04-2009, 12:28 PM   #12
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I hear that...

Quote:
Originally Posted by finalcutjoe View Post
i agree.. problem is that 4.10 kit and labor is $$$... not a DIY job... my heavy-chevy dealer wouldn't give me a definitive answer on whether it invalidated my warranty, either...
The last I heard, the charge for a good shop to put it in was..about the same as the price of the kit..Warranty is another issues..Personally, I can't see why..all things being equal, the kit is most likely a better material product than the original OEM...
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Old 02-04-2009, 12:37 PM   #13
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I took my granny gear 2.93s out and installed 3.73s in my SS (clone). Cost me about $300 to do it and about $250 for the kit (including gears). I coulda gone 4.10s in my tiny 8.5" pumpkin, but didn't.

I am sure the same could be done for a truck...however, if you have 4x4, don't you have to match the front gear too?

At any rate I fully agree with the thoughts on this thread about the 4.10s. One of the reasons I took this one when I found it. I nearly grabbed the same truck I have now, except with an 8.1L. In retrospect I shoulda taken it, but I got cold feet with getting a bigger engine than a 454!

Action is right, there is going to be a LOT of this going on. The Silverado line, way back when you could get the Duramax/Allison como for about $5500. Looking now it's nearly a retail price of about $9k.

Oddly enough, I did some very unscientific testing and found that a burb with 4.10s compared to a burb with 3.73s had no noticable fuel economy hit that I could see. Now I will fully agree that 4x4 (when activated) vs standard 2x4 is a significant difference in MPG.

I hope they come to their senses if they are still around and come up with another monster burb (Diesel, etc). Sadly me thinks it won't materialize anytime soon...... they want you to by a pickup truck....just like they didn't want you to buy a 1/2 ton car and nixed them all in 1996 to help guide you to their more profitable truck lines. Now it would appear they are once again steering you toward the pickups.
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Old 02-04-2009, 01:28 PM   #14
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Silvertwinkie,

I could not agree more.

I feel GM is pushing buyers away from the Burb and is focusing on the Duramax/Allison combo for heavy towing; without the 8.1, the diesel is the only option for the largest units.
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