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rising rate fuel pressure reg advice 

 

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 Post subject: rising rate fuel pressure reg advice
Posted: Fri Aug 24, 2007 11:10 am 
Getting Side Ways
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for my turbo conversion,which is no longer gonna run lpg,do i need a 2:1 reg or can i use a 1:1 reg,i plan on running 9-10 psi
cheers

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Fri Aug 24, 2007 1:13 pm 
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Do you plan on using the standard computer or aftermarket? That should be the first thing you ask yourself. Then you can take things such as fuel regs into account.
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Posted: Fri Aug 24, 2007 1:55 pm 
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aftermarket,iv got 700 or 750cc injectors(cant remember which) and a walbro fuel pump aswell
but yeah thinking wolf 3d or ems

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Fri Aug 24, 2007 2:29 pm 
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if you have aftermarket ecu and big injectors go 1:1

 

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Posted: Fri Aug 24, 2007 4:07 pm 
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ok why is that??just out of intrest

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Fri Aug 24, 2007 4:29 pm 
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Because you will be able to tune the injectors to deliver as much fuel as the engine needs, there is no need to 'force' more fuel in with a different reg.

You can still use a different reg, you will just have to 'tune out' the extra fuel pressure to deliver the same amount of fuel.

 

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Posted: Fri Aug 24, 2007 4:51 pm 
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so just a 1:1 adjustable will be fine then?

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Fri Aug 24, 2007 5:30 pm 
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the standard reg is 1:1 and boost referenced. Just stick with the standard one. rising rate regs are just for when your injectors are too small
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Posted: Fri Aug 24, 2007 6:02 pm 
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so i dont need to upgrade at all?

 

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97 el xr6,5 speed short shifter,sequential scoop,no arial,freshly resprayed,low on 17's,3 inch zorst,stainless hi flo cat,snort stage 3 stainless manifold,garrett t04e,front mount cooler,wolf 3d ecu,seimens 760cc injectors,walbro fuel pump

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Posted: Fri Aug 24, 2007 6:08 pm 
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No

You only really need to change the reg if you are trying to push the fuel system beyond its limits. Since you are doing it properly and upgrading the injectors and using a aftermarket ECU there is no need to change the reg.

 

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