123tom123tom Posted August 24, 2008 Share Posted August 24, 2008 quick easy question for some one out there!! I am installing 650cc injectors on my car and was wondering what is the best -an size line for the return fuel. and do i need a aeromotive fpr, or will the OEM one be fine. Link to comment Share on other sites More sharing options...
Wez Posted August 24, 2008 Share Posted August 24, 2008 Stock lines and FPR are fine with 650cc drop ins. The only fueling mods on my motor to date are injectors and pump Link to comment Share on other sites More sharing options...
123tom123tom Posted August 24, 2008 Author Share Posted August 24, 2008 Stock lines and FPR are fine with 650cc drop ins. The only fueling mods on my motor to date are injectors and pump cheers, just the news i wanted to here;) spend my money else where. Link to comment Share on other sites More sharing options...
Supra ST Myster Posted August 25, 2008 Share Posted August 25, 2008 how much power would you say the stock fuel reg is good for then before upgrading it to a aeromotive one? Link to comment Share on other sites More sharing options...
Jake Posted August 25, 2008 Share Posted August 25, 2008 how much power would you say the stock fuel reg is good for then before upgrading it to a aeromotive one?Unless you're changing the fuel pressure I can't see why the stock FPR wouldn't be perfectly good enough. Link to comment Share on other sites More sharing options...
dandan Posted August 25, 2008 Share Posted August 25, 2008 However, if you push more and more volume through it you may inadvertantly increase the fuel pressure. Let's say you have three Walbros pushing 600l/min through it at idle then I do not know if the flowpath inside the FPR can flow that much without significant back pressure increase.....not sure if anyone's ever done the test. In theory the same is true for the fuel lines themselves. Link to comment Share on other sites More sharing options...
123tom123tom Posted August 25, 2008 Author Share Posted August 25, 2008 However, if you push more and more volume through it you may inadvertantly increase the fuel pressure. Let's say you have three Walbros pushing 600l/min through it at idle then I do not know if the flowpath inside the FPR can flow that much without significant back pressure increase.....not sure if anyone's ever done the test. In theory the same is true for the fuel lines themselves. another valid point;) anyone done this kind of test etc Link to comment Share on other sites More sharing options...
Wez Posted August 25, 2008 Share Posted August 25, 2008 What are your power goals, what turbo do you plan on using etc etc etc Link to comment Share on other sites More sharing options...
123tom123tom Posted August 25, 2008 Author Share Posted August 25, 2008 What are your power goals, what turbo do you plan on using etc etc etc t61 turbo want about 500+ my goal is to break the 500 mark:) Link to comment Share on other sites More sharing options...
dandan Posted August 25, 2008 Share Posted August 25, 2008 Stick with the stock fuel lines and regulator...if you can get "drop in" injectors, then stick with the stock rail as well. Link to comment Share on other sites More sharing options...
123tom123tom Posted August 25, 2008 Author Share Posted August 25, 2008 Stick with the stock fuel lines and regulator...if you can get "drop in" injectors, then stick with the stock rail as well. they are drop in injectors so i can keep all the original setup coool:eyebrows: Link to comment Share on other sites More sharing options...
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