Only 338 RWHP?
#22
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Originally Posted by Studytime
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#23
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Originally Posted by Azrael
Uhhh... No Dynapak dynos usually read higher, YMMV. Unless they have been calibrated to be more conservative which is supposed to be close to a DynoJet.
Mustang Dynos usually are the most conservative...
Mustang Dynos usually are the most conservative...
Negative on that... DynaPacks read lower than mustang dyno's.. not by much.. but they do. My best friend/neighbor owns a dynaPack. I run the machine..most of the time, we were both trained on it, by Dynapack themselves (they fly out and train you for 2 days). We have done back to back testing with our dyno and a local mustang and a local DynoJet.
DynaPack is consistent every time, and read lower, mustang read a tad higher and was pretty consistant.. DynoJet was all over the place.. plus we can fudge those #'s pretty easily to get higher hp ratings. Cant fool a DynaPack since your hubs are directly connected to the machine itself and it uses fluid dynamics to measure torque then calculates HP.
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Originally Posted by GR33N GoblinM6
Negative on that... DynaPacks read lower than mustang dyno's.. not by much.. but they do. My best friend/neighbor owns a dynaPack. I run the machine..most of the time, we were both trained on it, by Dynapack themselves (they fly out and train you for 2 days). We have done back to back testing with our dyno and a local mustang and a local DynoJet.
DynaPack is consistent every time, and read lower, mustang read a tad higher and was pretty consistant.. DynoJet was all over the place.. plus we can fudge those #'s pretty easily to get higher hp ratings. Cant fool a DynaPack since your hubs are directly connected to the machine itself and it uses fluid dynamics to measure torque then calculates HP.
DynaPack is consistent every time, and read lower, mustang read a tad higher and was pretty consistant.. DynoJet was all over the place.. plus we can fudge those #'s pretty easily to get higher hp ratings. Cant fool a DynaPack since your hubs are directly connected to the machine itself and it uses fluid dynamics to measure torque then calculates HP.
I wish it were true though, but its not. Sorry for the threadjacking!
I agree with the other posters though, that you need to get the car to the track. Dynos are only tuning tools, the real measurement is on a timeslip. If the car is running good i the 1320 then it is fine, take it somewhere else and get dynoed for peice of mind.
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Originally Posted by jpr210
Dynojet, engine is a 2001 z28ss motor. Short block is clean, no smoke, oil use or noises.
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do you have a graph? i agree that dynos are tuning tools, nothing more.
i'd guess my car to come up ~310 rwhp unlocked on a dynojet, but that means nothing as the car consistently runs 12.2s @ 108/9 dragging 3,500 lbs.
as long as the a/f is ok, take it to the track and see what you come up with before you get too worried.
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the LS6 cam is 204/214 550"/549" I made 360rwhp untuned throught stock heads and bolt ons on a dynojet in the hot sun on a trailer in the middle of a parking lot in June. Granted I Also had the 1.8 rockers which make my like 583"/579" That does seem low to me Althought the lift on that cam is pretty small
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Originally Posted by GR33N GoblinM6
Negative on that... DynaPacks read lower than mustang dyno's.. not by much.. but they do. My best friend/neighbor owns a dynaPack. I run the machine..most of the time, we were both trained on it, by Dynapack themselves (they fly out and train you for 2 days). We have done back to back testing with our dyno and a local mustang and a local DynoJet.
DynaPack is consistent every time, and read lower, mustang read a tad higher and was pretty consistant.. DynoJet was all over the place.. plus we can fudge those #'s pretty easily to get higher hp ratings. Cant fool a DynaPack since your hubs are directly connected to the machine itself and it uses fluid dynamics to measure torque then calculates HP.
DynaPack is consistent every time, and read lower, mustang read a tad higher and was pretty consistant.. DynoJet was all over the place.. plus we can fudge those #'s pretty easily to get higher hp ratings. Cant fool a DynaPack since your hubs are directly connected to the machine itself and it uses fluid dynamics to measure torque then calculates HP.
bottom line is that a roller dyno reads at the wheels and a dynapack reads at the axels. A roller dyno will never read as high as a dynapack or other similar dynos.
If you dont beleive me, here's a website with the actual math to prove it.
http://home.earthlink.net/~spchurch/...ting/id12.html
Last edited by jermzz; 09-16-2006 at 06:52 PM.