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Safe limits of standard i6 fuel system 

 

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 Post subject: Safe limits of standard i6 fuel system
Posted: Mon Mar 13, 2006 11:45 pm 
Getting Side Ways
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Just wondering what the safe limits are of the stock (non tickford) fuel system. I think I've read 150rwkw somewhere, but wasn't sure if I was making it up. It is late you know.

I know 80% duty cycle is as far as you should push them, and what sort of rwkw is that pushing?

Just after a ball park figure here, not 156.7 for example :)

 

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Posted: Mon Mar 13, 2006 11:54 pm 
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170-180.7 lol rwkws.... i think.... :roll: :?:

 

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Posted: Tue Mar 14, 2006 1:08 am 
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stock fuel reg, fuel pump and injectors and a 12.75 AFR

80% DC is seen arround 145rwkw. this is on MY car measuring ACTUAL pulsewidth/duty cycle

 

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Posted: Tue Mar 14, 2006 10:48 pm 
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Thanks Walkinshaw.

Thats the info I'm looking for. I'll start with an XR reg, see if that help, might need to go bigger injectors soon :(

 

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Posted: Tue Mar 14, 2006 10:56 pm 
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Yeah give it a go hornet, very keen to see how much difference it makes in your A/F ratios.
I'll probably be in for one soon too.

 

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Posted: Wed Mar 15, 2006 12:43 pm 
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my ED XR has done 150.0rwkw on a dyno . with EL XR ecu EF XR motor, and EF XR fuel reg, running a walbro 255 but that don't make any difference on the standard XR setup
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Posted: Wed Mar 15, 2006 7:40 pm 
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I think I'm the only stage 3 cam out there running on a stock non tickford ecu.

I'd like an XR ECU, but may jave to just go aftermarket sooner rather than later

 

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Posted: Wed Mar 15, 2006 11:29 pm 
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i got a dev3HL or dev4 cam in my falcon n its runing a stock ecu... non tickford, but i agree i need to get a new one to fix the over fueling problem

 

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Posted: Wed Mar 15, 2006 11:48 pm 
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Overfueling bproblem?

My car is running lean, not rich! :|

 

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