hydra nemesis

[icingdeath88]

Tuning for low rpm, startup, and regular driveability is not so easy, as I'm finding out with the Megasquirt programming. Maybe more difficult than tuning just for max power. The hydra evades the wiring difficulty, though, which is a good thing.

My advice would be to make sure that you have someone close by who can tune it for you before you buy one. And collect as many maps as you can to start with.

[RallyBob]

Originally Posted by icingdeath88

Tuning for low rpm, startup, and regular driveability is not so easy, as I'm finding out with the Megasquirt programming. Maybe more difficult than tuning just for max power.

Such a true statement. I got to see a master Motec tuner work his magic on a Porsche 911 race car. Spent 20 minutes on the dyno and got his max power number. Spent the next 8 hours dialing in the driveability and torque curves. Doesn't matter what the ECU is, time is time.

[icingdeath88]

Originally Posted by RallyBob

Such a true statement. I got to see a master Motec tuner work his magic on a Porsche 911 race car. Spent 20 minutes on the dyno and got his max power number. Spent the next 8 hours dialing in the driveability and torque curves. Doesn't matter what the ECU is, time is time.

It is pretty daunting, and I haven't even gotten to that part yet with the megasquirt. Still trying to get the wiring and basic settings just right so I can get some actual tuning done. I really hope it pays off...

[smc]

The Hydra system is by no means garbage. Its more like, the fear of the unknown by tuners. If you are used to a certain system, ie setting up, tuning, wiring, fuel maps etc. They clearly anything else is garbage in your eyes. The hydra system is Highly tunable. Granted, ANY fuel injection system takes a steep learning curve to get correct. Keep in mind that some people train and configure ecu's for YEARS before they get One system down pat. If you have never used Hydra before, it can be overwhelming.
In the end, its all just fuel maps and o2 sensor configurations. It takes time, effort, testing and more testing to get things just right. Its not like a carburetor or throttle body injection. Its an exact amount of metered fuel per cylinder, exact spark timing all of which have to change depending on engine load, engine temperature, altitude and ambient air temperature. Not for faint of heart.