so_clean_HD
02-13-2006, 09:11 PM
what is stock hp/tq on lly?
my chevy broch says' 300/520
the new diesel power mag says lly have 310 / (565 i think)
my chevy broch says' 300/520
the new diesel power mag says lly have 310 / (565 i think)
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NathanielD 02-13-2006, 09:14 PM your right, its the LB7 that has the 300 HP and 520 TQ. (2001-2004) TxChristopher 02-13-2006, 09:23 PM what is stock hp/tq? my chevy broch says' 300/520 the new diesel power mag says lly have 310 / (565 i think) 2004.5 = 310/590 2005 = 310/605 2006 = 310/605 (LLY) 2006 = 360/650 (LBZ) I think so anyway :) . so_clean_HD 02-13-2006, 09:25 PM anybody know for sure? Twistedsteel 02-13-2006, 09:48 PM I beleive the #'s Tx posted are correct. Your truck is 310/605. hotdmax05 02-13-2006, 10:09 PM lb7 have 300/520 04.5lly have 310/590 05/06 lly have 310/605 06 lbz 360/650 thats with the allison trany. all zf 6 speeds have 300/520 briano 02-13-2006, 10:30 PM please see the link in my sig "which engine do I have?" kinda goes with FAQ at the top of the section. mad 02-13-2006, 10:32 PM TxChristopher is correct...and those numbers are AT THE CRANK...not the wheels. :( so_clean_HD 02-14-2006, 12:26 AM thanks for info DURAtotheMAX 02-14-2006, 12:43 AM yeah I saw that article in Diesel Power also...I hate it when magazines get things WRONG not in our favor... they mixed up the LLY and Powerstroke specs. 6.0 is 565 IIRC, LLY is 590/605 Ben killerbee 02-14-2006, 07:48 AM Since the question has been answered, I've been pondering a question. It appears that the LLY has a tad less ooomph than the LB7, despite higher flywheel numbers. I don't really know how those tests/motors are configured, EPA equipped, etc. Think of the diffs between LB7 and LLY Does anyone have a rational hunch as to why the LLY would deliver less in the truck than it does on the test rack? I have my own, just wanted to know what you guys think. speedrcr 02-14-2006, 08:07 AM The only time I've noticed less power is when you first get in it. Don't know if it's EGR, VNT, or what. A friend has an LB7 that is stronger at first but mine will slowly walk away once I get past that dreded lag. banshee42096 02-14-2006, 09:38 AM dont the numbers get lowered if its a manuel trans? i thought i read that i thought 520 was torque on a stick . TxChristopher 02-14-2006, 09:45 AM The only time I've noticed less power is when you first get in it. Don't know if it's EGR, VNT, or what. A friend has an LB7 that is stronger at first but mine will slowly walk away once I get past that dreded lag. My understanding is that the LLY has 300/520 in 1st and 5th and 310/590(605) 2nd 3rd and 4th. So you have no advantage on the takeoff just flat punching them. But as you denote, LLY's consistently outrun LB7's stock for stock. . killerbee 02-14-2006, 09:47 AM I guess it is just LB7 owners, think the LLY is a dog. Owner pride. | ||