Fine.. 5th gear.

[HondaToMazda]

OK guys I monitored speed this morning with the haltech.

2500 = 60mph
3000 = 70mph
3400 = 80mph

This is a direct pickup off of the Crank Trigger, you won't get any more accurate than that for RPM, however I cannot tell you how accurate the speedometer is, but those numbers are what your tach should read if it were calibrated correctly and your speedometer is "correct".

This is with stock wheels and tires on my car.

Thats amazing... My at 80 mph reads at 3700 for sure so being that its wrong... how will this affect my shift points? Say that some people were to shift at a certain rpm... mine would be different or is the speed just off and not the rpms?

 

[turboge]

I'll hook up my RA8 tonight and do a cross verification of the factory tach vs the actual readings and let you know. I generally shift at 7000rpm on the haltech datalogs which is probably about 7500 on the factory tach.

 

[HondaToMazda]

I'll hook up my RA8 tonight and do a cross verification of the factory tach vs the actual readings and let you know. I generally shift at 7000rpm on the haltech datalogs which is probably about 7500 on the factory tach.

Thanks alot! Your the best! BTW why would you shift at 7k rpm if it is indeed roughly around 7500 on the factory tach.. I thought we had powerloss at 6200 rpm? are you running the flash as well?

 

[turboge]

Check my sig

 

[Notorious]

Why would branden and i be running lower rpm's than you at 80 mph? I think that being flashed made my speedometer change..

Speedmeter readings are taken from the transmission. If the transmissions doesnt change the speed doesnt change. The only thing i can think of is if your speedmeter was somehow thrown out of sync.

 

[Kooldino]

I'll hook up my RA8 tonight and do a cross verification of the factory tach vs the actual readings and let you know. I generally shift at 7000rpm on the haltech datalogs which is probably about 7500 on the factory tach.

Why in the WORLD would you rev that high in this car? You lose power.

 

[turboge]

Feels strong to me, it puts the car right back into the peak torque range and pulls right back up there.... perhaps the stock ecu doesn't map well up there and this is where your assumption comes from? Or have you found our mysterious compressor map?