12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

Is this normal?

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Old 05-05-2019, 04:35 PM
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Is this normal?

I have a 97’ cab and chassis 3500 standard trans 5.9 12v the truck has a metal flatbed so weighs in at 10,000 lbs

i was towing a bumper pull equip trailer with a 10,000 lbs forklift on it I imagine the trailer weighs 2,500-3,000 14 ft with steel deck

so gross I was at 23,000 lbs

when going from 4th to 5th after getting 4th up to 2,800 rpms I could and would not gain any speed in 5th with my foot to the floor on flat ground. Not losing speed but litterly couldn’t gain 1 mph.
Old 05-05-2019, 10:17 PM
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Did you have a head wind? What was your boost pressure? How much smoke? What mods ya got? What is diff ratio and tire size?
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