Dyno sheets

[03wr250f]

These are my dyno sheets from 2015
89 ford 7.3 idi zf5 4.10 285/75-16
Ats 093 wicked wheel 2 R&D 3'' Down pipe 4" exhaust Hypermax intercooler wastegated at 9.5 psi but only made 7psi on the dyno.
baby moose pump @9* btdc and R&D stage 1 injectors

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[Sidewinded_idi]

What was the torque

 

[ISPKI]

Also curious about the torque output. 225hp at the wheels is great for this old rig.

 

[03wr250f]

as near as i can figure given all the calculations from ratios and tire size between 501 and 510 at 2080+/- rpm

 

[Thewespaul]

That seems off, your dyno sheet should have come with torque numbers, the hp rating is figured by the torque which the dyno meter reads. Dyno does not read hp.

 

[03wr250f]

you are telling me. I agree it is weird that it does not show torque, but i guess it is to boost the cummins guys egos but those are the three dyno sheets i received after i dynod. that and a t-shirt for the event and a sticker is all i got. So I would agree, and you aren't the first to say something, but what can I do.

 

[ISPKI]

How much do you think the intercooler adds? I am gradually searching for turbo parts for my 94 idi and I would like to have a realistic goal in mind. If I can even get to 200hp that would be adequate for me I think

 

[03wr250f]

My guess is between 15-30 hp gain. I am not 100% sure. This year their was a kid there with a factory turbo truck pump turned up, wastegate disabled, and a 3'' dp - 4'' exhaust who made 191 whp at 15 psi. but yet the owner of R&d dynod his factory truck and timed it, turned the pump up and disabled the wastegate for 214whp.
Also the fact that i was only at 7 psi may have made a difference instead of the 15 psi i now see. And also I sealed up a drive pressure leak which im sure helped power as well.

Bottom line, the intercooler makes a difference. How big i am not sure because i went from na to turbod and intercooled but on a steep climb egts stay where they should and i still have good power. Thats the whole point of a intercooler, cooler air yes, but to keep cool air on long pulls.
Also just turboing with a healthy fuel system, and a healthy engine should put you right close to 200 hp. I can tell you going from a very well running na truck to a turbo truck is night and day difference. And I never turned the fuel up or did anything fueling related when i turbo'd.