Chevy Silverado/GMC Sierra's w 8100/Allison
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8.1 with 3.73 will get almost the same (and maybe beter) mpg as the 6.0/4.1 and no matter which one gets the better milage its only going to be a mile or two anyway.
I've pulled enough 5th wheel time that the power is way more important than the mpg. (When you have that long grade etc.)
So if all this is a wash than the tie breaker is the ALLISON!!! know too many Chev,Ford or Dodge doing hard pulling where the regular Auto transmission was the week link--
So depends on whats import to you??
Hopefully you have the Z82 Seven Wire 'Heavy Duty Trailering Special Equipment' Option.
Z82 6 way connector plugs into box on dash floor by your left foot. Has a 40amp large fuse that goes into fuse box under hood (1st slot left side where the other same sized fuses are mounted)
Tekonsha Voyager # 9030 Brake Controller wires up to Z82 wiring as follows--
Z82 Red to BC Black
Z82 Drk Blue to BC Blue
Z82 Black to BC White
Z82 Lt Blue to BC Red
Z82 Brown to BC Not Used
I get almost 13 with the 6.0/4:10 ex.cab I got....I just can't imagine a 496 getting the same as a 364!
Has anyone tried the 'DRAW-TITE' brake controller ? I was told that this is the state of the art controller to stop your trailer in tow.
..plus it seems GM jumped too quick with that tranny....
we will see
...Tranny ain't going to the way side...(with a 6.0)....iron heads are...and new HD body style I like!
...I just may have to get a 6.0 CC?.....but will probably get the 8.1/Allison......cuz me a fun hog!
Was out for a ride and noticed a vibration at about 52 mph when it seems the converter is locking up. At first I thought I went across those rumble strips they use to slow you down at an intersection. It only lasts for about a second. I was not in tow/haul mode and only under moderate acceleration. Anyone else experience this?
it's been smooth sailing for me. so far no problems.
Hi Guys I'm debating whether to lower my truck to give me more clearance between the bedrails and the nose of the 5th wheel.
Right now it rides nice and level with about 4 inches of space but I think I'd like to have about 6 inches just to be safe.
Can anyone tell me if it's possible to lower the truck bed, how far will can it go and how to do it.
wonder what an 8.1 would get??? 6?
I think there is a technical service bulletin out for your problem.
Problem - Poor fuel economy in 5.3L
Cause: Nut loose behind wheel. Replace nut.
Tim, just think the 8100 over the 6.0L in the burban is like a 1300 dollar option and it deletes the towing package worth a few hundred. So like 1500 bucks compared to 600 in the trucks. And the fact is the HD is like 6000 less than a burban to start with. Just take your bargain 8100, get the allison 4.10 with LOCKER. And stop your cryin. You only live once and you'll cry if you don't get it.
am 34 now......just before 40 I'll get the 2500 Burb with the 8.1
What's this no Message Header??? Dumb Change!!
Woolyback - Been Eye-Balling my 5th wheel clearance also. Have about the same 4" but I do have some chrome rails that are about 1.5" high so i could remove them. Also because these HD's are so high off the ground, i lowered my Reese 15K hitch platform one bolt row for about 2" when i installed it. Think i'll pull this week end and keep a close eye on it -- GULP!!!!
Its $245 bucks well spent timmy!
Don't go burban on us now. Know a guy with a loaded 97 burban with 100,000 miles. Heard the dealer wanted like over $25,000 to trade for one just like it (Gulp). He is still driving the same one and said no F****** way!
I drove a 3:73 and a 4:10 8.1/Allison....as well as a 6.0 HD (4:10 obviously).....I'm tryin' to remember which one had the locker though?...GRRRR
Racing/Hotrodding trucks??...I might as well get me a bug zapper too to watch with my buddys!...aaahhhheeeaaw!
How come i cant picture this?
and I gave you about 30 pics of it!...remember?
But you could always buy a used one........
...and we got so much fossil fuel..it ain't funny!
Interesting, a guy on TheDieselPage.com cited a Motor trend article where they compared the diesels from Ford, DamNearChrysler, and GM, putting them on the dynomometer. The DC put out hp and torque about equal to its rating, 230hp/505 ft/lbs, the the Ford exceeded its rating slightly, 245/560, and the GM did not meet its rating, measuring 240/495, or thereabouts.
Just a warning if its important to you, on diesel engines like everything else, there is no subsitute for cubic inches. And we've seen this underachieving dynomometer performance from GM before. As I discovered on my 5.3L Silverado, if it really had 270 hp, it should put up quarter mile E/T's in the high 15's. For 2000, they up'd the rating to 285. I'd be surprised if they did a thing to change it...
In a real world test pulling a load up a 7% grade, the Duramax pulled the load with faster and with less effort than the Power Stroke or the Cummins.
I took delivery of my new GMC 8100/Alli. First tank full netted 12.1 mpg. 50/50 highway/city. Ordered the PU on Sept 21, 2000, TPW was 3/26/01. It was delivered to the Dealer 4/12/01. Has anyone out there ordered the Climate control and the Rear window defogger. We ordered 3 PU's with these options and didnt receive one with them. By the way, the 8100 will smoke a powerstroke in a drag race
as for orders....I ordered a 99 2500..got cancelled...had to order a 2000 2500....never put anything down.....so there was no refund....and I guess I paid 2000 prices?...as it all had to be re-entered...as a new order.....couldn't carry it over..
By the way, my mileage in the city is 9.8-10.0 and I mean strictly city driving.Three tanks in a row. All stop and go driving.
I have an 8.1 w a 3.73 two wheel drive.
2500HD CC with 285's in downtown lafayette. It also had the new orange metallic paint. It looked real good especially with the larger tires and it also was the first orange truck i seen.
GET ONE MAN!!!
You wont regret it