Who’s still using a 7.3 diesel truck
Who’s still using a 7.3 diesel for there TC? How long have you had it? What TC do you have? What’s are some of the must haves to keep it chugging along happily with TC on top? Cheers
Forum Discussion
burningman wrote:
And it can sustain full power for extended periods every bit as well as a 7.3.
The main reason a 7.3 can do that is it came detuned for low power, so it was understressed. A 6.7 at half throttle will make what a 7.3 did.
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When I had the engines in different truck configurations, I used 7.3l in F450 for heavy hauling.
I had it at WOT for about 1/2 hr climbing long I-15 grades with 100F outside.
When my 6.7l would haul 7500 lb of cargo at 1/3 of the throttle, the coolant temperature was raising. Still at safe levels, but again 1/3 of the throttle.
Would I use 6.7l at WOT, per my calculations it would pull 25,000 lb on 6% grades at 90 mph, but I doubt it would do it without overheating.
So final conclusion, when 6.7 has so much power, that WOT is seldom possible, the radiator in it is undersized for available HP.
The low power in 7.3l is self-inflicted safety net.
Since Adamis has his 7.3 chipped for more HP, it would be interesting to hear his engine cooling experience?
