Quick Apexi question

Started by gavink, July 20, 2006, 08:27:43 PM

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gavink

July 20, 2006, 08:27:43 PM Last Edit: July 20, 2006, 08:30:51 PM by gavink
Just been out for a spin in my FD and noticed that the injection duty on my commander only goes upto 45-46% even under full throttle..Now the car is boosting fine and running fine and has done for the last 4000 miles..Is this something to worry about or is it normal? :wave

Edit: just dug out the rebuild recipt (done before i got the car) and it says "Uprated Fuel Pump mazda - £135" and "Fuel pressure regulator mazda - £100" but nothing about injectors? :)

shaunwil

#1
July 20, 2006, 08:56:19 PM
What level of boost are you running and what rpm are you revving to ? Sounds way to low, it is an issue if its running too low. If you\'ve had it tuned id take it in and get it checked over. An hour on the dyno is much cheaper than a buggered engine !

The most i see is 80% duty on cold air temps (15deg) with 1bar of boost and 550cc/1200cc injectors.

Shaun
1994 White FD with A-spec GT3574R - 358bhp at the hubs at 0.9bar :3gears-lh
2003 Mondeo 2lt 130ps Diesel Estate Daily :driving

Fish

#2
July 20, 2006, 10:08:20 PM
If they at a guess used a Cosmo pump and FPR, then they upped the pressure, thus needing less injector.

Fish

vxer

#3
July 21, 2006, 09:50:46 AM
Quote from: FishIf they at a guess used a Cosmo pump and FPR, then they upped the pressure, thus needing less injector.

Fish

Yeah, what kind of knock levels are you getting on full boost?

Cheers, Paul.
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