Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Should car idle right on 450cc injectors & fuel pressure question???

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Old Apr 25, 2007 | 05:56 AM
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Default Should car idle right on 450cc injectors & fuel pressure question???

I just installed a turbo kit on my car to find out the turbo was bad. So I took everything off the car exept the dsm 450cc injectors because i am to lazy to unwire the resistor pack. Took my turbo chip out and put the all motor chip I had in before back in and the car idles fine. I have noticed when i hit vtec it sputters a bit but i figured 210cc more fuel should make for a nasty idle. Also if i was to take out the resistor instead of rewiring each injector to itself again can i just hook all 5 wires together at the resistor box ( kinda make a dummy plug for the stock resistor box plug jumping all wires together.

Also I put a 255 fuel pump in and when i turb the key to prime the car it jumps the pressure up but it falls fast. probably losing all pressure within 5 min is that normal, I didnt think it would drop that much...
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Old Apr 25, 2007 | 08:14 AM
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Default Re: Should car idle right on 450cc injectors & fuel pressure question??? (jfruauff)

so is this car even tuned? FMU what? are you still running the "all motor" map?
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Old Apr 25, 2007 | 08:50 AM
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Default Re: Should car idle right on 450cc injectors & fuel pressure question??? (jfruauff)

just for warn.. running bigger injectors like that will produce cabon build up on your valves and eventually creat it to melt trough your valve plus.. remove the restrictor completely if your going to unhook it because somethin with restictor boxes that creat some kind of back impedence that can cause your to burn up your ecu... i know cuz i killed 2 of em.. and lost my 3rd cylinder..
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Old Apr 25, 2007 | 09:34 AM
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Hold up. You're running 450cc injectors on a stock ECU? That's not good. It's a miracle that the car is even running at all. If you run a jerry rigged setup like that don't expect it to run right. Put your stock injectors back in.
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Old Apr 25, 2007 | 10:33 AM
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Default Re: (IslandSi)

Guys i am not drving on it well i did to work today but thats 2 minutes to my house. I just found it wierd that the car ran so good with the bigger injectors. No the car is not turned because its going turbo and will be tuned at that time. I was wondering because i bought the injectors on here and was thinking they might not actually be 450cc dsm injecotrs..

Any input on fuel pressure???
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Old Apr 25, 2007 | 01:49 PM
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Default Re: (jfruauff)

someone tell me why my pressure is dropping
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Old Apr 29, 2007 | 01:54 AM
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you talking about the pressure dropping when the pump is OFF? What were you expecting?
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