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#1
06-12-2009, 05:14 PM
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Safe power level while towing
From the perspective of the Allison, transfer case and diff, how much power is safe to tow, say 9000#, with, as long as the EGT's are watched?
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'04.5 2500HD Silverado LT CC/LB, LBZ D/A Dark Grey Metallic, 05+ HD Hood & Grille, 130k and counting Mike L  Trans built by ME.EFILive, PPE Race Valve, KD Twin Lift Pumps & Billet Fuel Pickup, MBRP 4" "Cat-Back" T409 straight piped. Best 1/4 times: Truck: 14.067 @ 96.29, weighing in at over 7200# 446.4RWHP/820.2RWTq Car (95 Cougar 4.6L V8): 14.680 @ 94.00 "The FIRST weapon is the mind, all others are incidental." "I'd rather be judged by twelve than carried by six." K2SLD 
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#2
06-12-2009, 05:19 PM
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Don't know if it's safe or not... But, we have towed Casper all over the country with Blue and 500 hp tune
 Weight anywhere between 9k to 13k.The only time we had a problem overheating IIRC was Vail CO  When we where at trillion feet.
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Spooky bone stock 09 CTS-V 12.36 @117 Blue Meanie 11.36 @ 120.67 448 rwhp/411 tq AFR H/C Wendy 06 GMC LBZ CC/SB EFI "Rat Posion", Sun Coast trans, SC 1057 & Transgo JR by MikeL, true downpipe, Banks Ram-Air SD sleeves 12.50 @ 107.51 Big Blue04 GMC LLY 3500 SRW CC LB 4x4 DA Big Blue 13.12 @ 103.93 466RWHP/928TQ. PPE LLY extreme tune, VA Box, SC III by Inglewood Trans, 4" straight pipe, Super Diesel Tie Rod supports and Manifold, Trippin Pickup, Cognito Braces, FuzzyDice. McRat's toy-2005 GMC "Casper 2" 2500HD 4wd Xcab SB Mike L. LLY 2 trans, McRat tuning 10.59 @ 128.9
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#3
06-12-2009, 08:14 PM
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Quote:
 Properly built Alli will handle it.
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[/SIGPIC]Kinky is when you do it with a feather. Perverted is when you use the whole chicken. Shop 714 870 7300 Cell 310 918 9678
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#4
06-12-2009, 08:36 PM
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My improperly built ally handles it-but it doesn't like it!!
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 07 LBZ CC SB 6" lift on 33" MT'S, EFI Tuned, Stock Fuel, S464 Turbo, Stock Clutches + Ally Jr. Shift Kit and ATS JunkStar Converter Member #1 of the "Running on Borrowed Time Club"
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#5
06-12-2009, 10:16 PM
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Quote:
 Guess I should get the other trans swapped in to make sure it'll hold before I head east.
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'04.5 2500HD Silverado LT CC/LB, LBZ D/A Dark Grey Metallic, 05+ HD Hood & Grille, 130k and counting Mike L Trans built by ME.EFILive, PPE Race Valve, KD Twin Lift Pumps & Billet Fuel Pickup, MBRP 4" "Cat-Back" T409 straight piped. Best 1/4 times: Truck: 14.067 @ 96.29, weighing in at over 7200# 446.4RWHP/820.2RWTq Car (95 Cougar 4.6L V8): 14.680 @ 94.00 "The FIRST weapon is the mind, all others are incidental." "I'd rather be judged by twelve than carried by six." K2SLD Last edited by Cougar281; 06-12-2009 at 10:17 PM.
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#6
06-13-2009, 09:53 AM
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Been using pat 500 tune for all my towing for good mpg. However, downshifts push up the rpm then it shits and gits unexpectedly. Love it.
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07 3500, CC, DRW, LB, 4x4, LBZ, McRat EFI Live, SC IV trans (1057), Cogs, sleeves, blocked and fingered, PPE race valve, KD dual lift pumps, TxC Electric Fans, 4"MRBP w/o kitty and muff, Diamond eye downpipe, Snow MPG Max w/WallyMart Blue, MikeL cooler, Banks intake, Banks 3" turbo to IC pipe, Killerbee EOC, Mag-Hytec diff, PVC reroute, Colorado Springs racing (sort of) at 4,500 ft.
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