This is topic dynojet vs mustang dyno in forum General Talk at Northern California Ford Owners  .


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Posted by venomous99 (Member # 1917) on :
 
generally what is the difference in hp/torque when comparing these two dynos. i know the dynojet generally produces higher numbers.
 
Posted by 84GT5.0 (Member # 5227) on :
 
i heard the dynojets read 10-15 % higher than the mustang
 
Posted by venomous99 (Member # 1917) on :
 
what are the benefits of going with one over the other if any?
 
Posted by two-gun kid (Member # 5891) on :
 
the mustang dyno adds in the weight of the car to the calculation. and adjust teh hp/tq reading
 
Posted by stoauto (Member # 2803) on :
 
quote:
Originally posted by two-gun kid:
the mustang dyno adds in the weight of the car to the calculation. and adjust teh hp/tq reading
that's not correct, it uses the weight and aerodynamics of the car to adjust the load put against the rollers, to simulate real world conditions. TQ is then measured through a strain gauge and HP calculated after that. Dynojets use a mass vs. speed vs. time type calculation to figure out HP then calculates TQ, this is like online HP calculators and Gtech type devices. Loaded Dyno's have advantages for tuning like being able to do part throttle and steady state tuning.
 
Posted by 84GT5.0 (Member # 5227) on :
 
[Eek!] [Eek!] [Eek!] damn thats alot of good info right there
 
Posted by two-gun kid (Member # 5891) on :
 
quote:
Originally posted by stoauto:
quote:
Originally posted by two-gun kid:
the mustang dyno adds in the weight of the car to the calculation. and adjust teh hp/tq reading
that's not correct, it uses the weight and aerodynamics of the car to adjust the load put against the rollers, to simulate real world conditions. TQ is then measured through a strain gauge and HP calculated after that. Dynojets use a mass vs. speed vs. time type calculation to figure out HP then calculates TQ, this is like online HP calculators and Gtech type devices. Loaded Dyno's have advantages for tuning like being able to do part throttle and steady state tuning.
i knew i was wrong with it i just knew it used the wieght for something
 
Posted by CDT (Member # 5004) on :
 
quote:
Originally posted by stoauto:
quote:
Originally posted by two-gun kid:
the mustang dyno adds in the weight of the car to the calculation. and adjust teh hp/tq reading
that's not correct, it uses the weight and aerodynamics of the car to adjust the load put against the rollers, to simulate real world conditions. TQ is then measured through a strain gauge and HP calculated after that. Dynojets use a mass vs. speed vs. time type calculation to figure out HP then calculates TQ, this is like online HP calculators and Gtech type devices. Loaded Dyno's have advantages for tuning like being able to do part throttle and steady state tuning.
thats really my post, didnt realize that damn Evan was logged in on my computer.. Good thing he is gone now.. [Razz]
 
Posted by svt306snake (Member # 1967) on :
 
quote:
Originally posted by 84GT5.0:
[Eek!] [Eek!] [Eek!] damn thats alot of good info right there
soaking it all up thanks for that evan
 
Posted by MODMOTORZ (Member # 5954) on :
 
really good to know.
 
Posted by dynoguy (Member # 6457) on :
 
this is a pretty accurate reply
that's not correct, it uses the weight and aerodynamics of the car to adjust the load put against the rollers, to simulate real world conditions. TQ is then measured through a strain gauge and HP calculated after that. Dynojets use a mass vs. speed vs. time type calculation to figure out HP then calculates TQ, this is like online HP calculators and Gtech type devices. Loaded Dyno's have advantages for tuning like being able to do part throttle and steady state tuning.

Thats why we use the mustang. we refer to the other one as "Internet Horsepower!"

However a good tuner can produce excellent gains on either dyno.

[ February 10, 2006, 08:10 PM: Message edited by: dynoguy ]
 
Posted by 50Reasons (Member # 6452) on :
 
good to know
 




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