Moneypit Posted July 18, 2017 Share Posted July 18, 2017 (edited) Hey guys, new member here. I've got a 1997 ch 427 tri alxe dump truck. It is really really sluggish pulling any grade hill loaded. New injectors put in about 2 months ago, over head ran, air to air checked out great. I have the pedal to the floor and I'm losing power, down shift and same problem. 15 speed eaton in the truck. I was told it might be the shaft in the pump stripped out. Would that cause this problem. Going to check it out tomorrow. Was wondering what it could be. If everything checks out good I guess I will put the butane kit on it for boost. Is that a good Ideal to do, my neighbor has one on his 427 and it out pulls me 10 to 1..just need help and ideas in this sluggish as Mack. Thanks Edited July 18, 2017 by Moneypit Quote Link to comment https://www.bigmacktrucks.com/topic/50503-1997-427-sluggish-pulling-up-any-hill-loaded/ Share on other sites More sharing options...
Moneypit Posted July 18, 2017 Author Share Posted July 18, 2017 Oh and when Im empty or loaded when I push down on the accelerator it takes it about 3 to 4 seconds to take off. Quote Link to comment https://www.bigmacktrucks.com/topic/50503-1997-427-sluggish-pulling-up-any-hill-loaded/#findComment-375162 Share on other sites More sharing options...
Jamkar Posted July 18, 2017 Share Posted July 18, 2017 Welcome aboard mate. Could well be your fuel pump, R/H front of eng. Maybe check fuel pressure or pull the pump and make sure gear is tight on the shaft. Quote Link to comment https://www.bigmacktrucks.com/topic/50503-1997-427-sluggish-pulling-up-any-hill-loaded/#findComment-375178 Share on other sites More sharing options...
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