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fuel regs in turbo 4 lt 

 

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Posted: Sun Feb 04, 2007 2:14 am 
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They may be getting things mixed up?? What they should be saying is boost sensitive. As in rising fuel pressure with boost.. Play on words.. Yes rising rate but 1 to 1 ratio.... The std regs will do the job, just not adjustable...

 

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Posted: Sun Feb 04, 2007 12:45 pm 
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yeh the way i see it is there is no need to change the reg unless u want bigger fuel lines. the stock reg is 1:1 rr and seems to be fine for around 350rwkw or more.

so TURBO_GHIA just leave the stock item in place.

 

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Posted: Sun Feb 04, 2007 2:03 pm 
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so there's no need for any aftermarket fuel reg at all ,

 

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Posted: Sun Feb 04, 2007 2:12 pm 
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imo no. the only reason u would need to change it is if you were still running the eec or u were looking for huge hp and needed larger fuel lines. a guy i know in perth has 350rwkw with 044 and 65lb injectors and the rest stock

 

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Posted: Sun Feb 04, 2007 2:20 pm 
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fair enuf then ,so what if my tuner says i need one ,then what ??

 

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Posted: Sun Feb 04, 2007 3:57 pm 
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tell him the stock reg is 1:1 ratio, and there shouldent be a problem

 

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Posted: Sun Feb 04, 2007 5:54 pm 
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350rwkw with 65lb injectors sounds a little sketchy, they must be maxxed.... my 72lb'ers are hitting 94% duty at 5400rpm... and im around the 350rwkw mark. my 55lb were maxxed out at 320rwkw

 

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Posted: Sun Feb 04, 2007 7:35 pm 
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it didnt make exactly 350rwkw its around there the dyno
said 460rwhp witch is 343rwkw. im not sure what duty the injectors got to.

 

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Posted: Sun Feb 04, 2007 8:19 pm 
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a little off topic, but i can tell anyone who is reading these forums that happens to come across this thread that you DO run into issues with duty cycles over 85%...

in the autronic software it gives you a graph of inlet, compression, power, exhaust.. and it shows on a line graph just how long and where your injectors are on...

i ran into problems with A/F reading and have had to change my injector end angle back about 30-40deg to stop it getting two seperate fuel charges within the one inlet stroke.

considering my injectors are open 94% of the time at 5k+

 

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