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Originally Posted by flxibleclipper  I would like to know some of you guys' experiences of hauling & towing heavy loads...20,000# GCVW and above. Especially the 3500 duallies.... How has the LBZ engine and Allison performed on the flatlands and on 6% grades? Heating issues, engine stress, is there plenty of power? Another concern is the engine life (duty cycle) for trucks that are being used with continuous heavy loading....Commercial use, gooseneck trailers, heavy 5ers. Any input would be appreciated!!: |
If you get an oil temperature gauge, you will see the weak point in longevity. When I saw my 280 degree oil temp gauge pegged off the scale on a hot, heavy pull, i decided something needed to be done. GM has nicely hidden a real problem issue. The oil cooler has made all the difference, haven't gotten over 220 degrees since. Makes me feel much better. And my allison temp is lower also.
OIL COOLING ARTICLE
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04 LLY SRW SB
06 SRW SB
EFILive all conditions no smoke 100 HP tune, exhaust,
TD-EOC, alternative stock Cold Air Intake.