Gradyghost
02-05-2004, 09:03 PM
Does the Yukon Xl 6.0 have more hp and tq than a pickup 2500HD 6.0?
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Blinky 02-05-2004, 10:26 PM Hey Grady.... Good talking to ya the other night..... Are you looking at boosting the HP in your 6.0 instead of getting the 8.1? Might not be a bad idea considering the oil usage and mileage issues of the 8.1.... Later...Edited by: Blinky Gradyghost 02-06-2004, 07:07 AM Hey Blinky.... I ended up going with the 6.0 with the 4.10 gears. I drove both and really liked the higher hp on the 6.0 over the 8.1! I read somewhere that the Yukon Xl with the 6.0 has more Hp and Tq than the same engine in the 1500 and 2500HD. I haven't hooked the trailer up yet but so far just cruising in the 6.0 is awesome! Blinky 02-06-2004, 02:29 PM Congrats...... Enjoy that new car smell....http://www.dieselplace.com/forum/smileys/Big Smile.gif Dmax Tim 02-07-2004, 11:59 AM From http://www.gmpowertrain.com http://www.gm.com/automotive/gmpowertrain/engines/vortec/apps/vehicle/images/hp.gif 325 @ 5000 rpm GMC Sierra Denali 320 @ 5000 rpm GMC Yukon Denali/Yukon XL/XL Denali & Suburban 315 @ 5000 rpm H2 (prelim) 300 @ 4400 rpm Chevy Express, GMC Savana, 3500 series, 2500 HD & 3500 GMC Sierra and Chevy Silverado pickup and crewcab http://www.gm.com/automotive/gmpowertrain/engines/vortec/apps/vehicle/images/torque.gif 370 @ 4000 rpm GMC Sierra Denali 365 @ 4000 rpm GMC Yukon Denali/Yukon XL Denali 360 @ 4000 rpm GMC Yukon XL/Suburban, Chevy Express & GMC Savana 3500 series H2 Prelim 2500 HD & 3500 GMC Sierra & Chevy Silverado pickup and crewcab BTW this is all 6.0 literEdited by: Dmax Tim Gradyghost 02-07-2004, 07:22 PM Thanks Tim. Do you all think 360 torque and 4.10 gears is enough to get 10000lbs rolling and keep it rolling? Is there any way to increase the torque on a 6.0L? The hp is obviously tremendous on a 6.0L. Max Power 02-07-2004, 07:58 PM 10,000 pounds would be quite a bit for the 6.0L IMHO. I would pull it but it wouldn't be as enjoyable as doing it with the Duramax. GasGetter 02-09-2004, 09:31 AM hi grady You can get a little more hp's out of it by exhaust, headers, diablo chips, and air intake kits. should give you a little more and not to much money involved w/ additions. or you could go all out and supercharge. And yes I agree there needs to be a site for the 6.0 and 8.1's. the winemaker_2004 02-10-2004, 12:00 AM hi out there,nice to see a formum or part of on just gassers...i have a 2000 25006lt gmc4drextcab slt at present time i have installed a green filter[same a k/n] and wish to increase my tq..would like to purchase a d/a but would take to much of ..bath..truck has 42+k kmson speedo..would like to keep truck for a while longer but could use some pointers as i tow a 10000lbs 5th wheel..with many thanks aketay 02-10-2004, 12:13 AM I really liked my 2001 6.0 2500HD, great for the short haul. Fun to drive empty. Had to have the DMax for the milage benefit while towing the fifth wheel. 6.0 had no problem moving the trailer until you got to a long grade. It would bee nice to have the Allison as an option with the 6.0. Honestly this tranny makes the truck.... the winemaker_2004 02-10-2004, 12:30 AM oketay....I to agree the d/a is the ans but I am going to try and get another year or so out this truck..I have air system on truck too weight is no problem..do you know or anyone out there know..why does some of 3/4 have a 6.0 with 325 hp vice 300hp[[tq is somewhat higher too] what did they do[factory i mean] the winemaker_2004 02-10-2004, 12:32 AM oketay..further to my last..just to make straight..its a hd air lift [air bags] and rear end is 3.73 gears 1BADHD 02-10-2004, 04:06 PM If you want real hp outta your 6.0.....go get a Westers Tuned ECM. Trust me, it willl wake the beast inside!! Lawnboy 03-01-2004, 10:45 AM It would bee nice to have the Allison as an option with the 6.0. Honestly this tranny makes the truck.... I believe the Allison paired with the 6.0 wouldn't be as good as you think. That Allison takes a LOT of power to turn. At one time I saw a chart with the % lost on each tranny. It listed the old Hydra-matics, powerglides, and up through the Allison, all of them! The Allison had an extremely HIGH % power loss. IMO, the 4L80E, 4.10, and the 6.0 are a real nice package. Burner 03-01-2004, 11:18 AM I've had the 6.0 with steel heads. HP was right @ 300 and TQ was 360. It did pretty well towing and so,so on fuel. The best MPG ever was just over 17MPG on a 300 mile trip. My AVG. MPG was 11.http://dieselplace.com/forum/smileys/Disapprove.gif The "added" HP came from the Al heads in 2001. In the Denali they just kicked in better programs for more power. Everyone I have spoken with that has the 6.0 with a 4:10 rear gets poor MPG. Yes they will pull some heavy weight....but, they'll really suck some fuel! The 8.1 would really be the better choice for anything over 8,000 lbs. My wife has a 2001 LT Burb that has an 8.1 and 4:10 gears. She gets around 10-14 MPG, she has a lead foot. I think the motor does pretty well. Ours will eat about 1 quart every 5 or 6k or 1/2 quart between oil changes. The motor is rated somewhere around 345HP and 460TQ, I think. ------- To answer your first question........ The Denali has better programs. So, Yes it does have more power than a HD 6.0. Burner-------------> http://www.dieselplace.com/forum/smileys/Big Smile.gif Chevyfreek 03-03-2004, 09:01 AM I have a Westers tune on my 6.0L and it is a much better performer all around compared to stock. This thing will get a load moving and keep it going. I agree that it would probably would not be the ideal choice for consitent towing applications though. The 6.0L to tend to use more gas when pulling a trailer or when loaded down in general, but I have always been between 10&12 mpg when towing depending on speed and wether the A/C is running.... | ||