NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Fuel Systems (https://www.nopistons.com/3rd-generation-specific-18/fuel-systems-37028/)

-=RX-7 KID=- 04-10-2004 02:09 PM

I was told told if i dont upgrade my fuel system very soon i'm goin to blow my engine to itty bitty pieces. So i just wanted to know where can i get a complete fuel kit? Or if any one has 1300 injectors i can use to hold me over. Oh by the way i'll be selling my left nut to get all this so any one interested?

kkw4p 04-11-2004 10:11 AM

By "complete" what do you mean? Pump, rail, injectors? All of the above?



Pump and injectors are the most commonly (and usually first) to be upgraded.



You can do a bunch there, there are pleny of drop in pumps that are cheap.



I don't know much about injectors, as mine are still stock.



But, if you're doing fuel upgrades, you'll probably need to upgrade the ECU. There's no point in having the capability to run higher fuel loads, if the ECU doesn't know to do it.

rfreeman27 04-11-2004 12:35 PM

PM Rxrotary_27 (keith). He will set you straight.



You will not have enough fuel with 550/1300.



I would consider getting a fuel rail, 1600cc injectors, and a aftermarket FPR. Keith can hook you up with all of this stuff, and SS lines and A/N fittings.



I'm suprised that you want to drop 1500 bucks on coilovers and cant spend the 500 on the fuel mods that are nessassary https://www.nopistons.com/forums/pub...IR#>/smile.png

-=RX-7 KID=- 04-11-2004 04:54 PM

I need a whole bunch of stuff, i'm about ready to just put the car down for at least a year wait till i have all the money and fix everything all at once. I allready have a fuel pump, pretty sure it's a 255lph walbro, i'll check on that. But i think i need a bigger one. So by complete i mean i want a new primary rail, new secondary rail, 850cc pri, 1680cc sec, all SS lines, a SX fuel reg, and AN fittings, and a bigger pump if needed.

-=RX-7 KID=- 04-11-2004 04:55 PM

Look at my sig, youll see my mods contain a Power FC

rfreeman27 04-11-2004 06:32 PM


Originally Posted by -=RX-7 KID=-' date='Apr 11 2004, 05:54 PM
I need a whole bunch of stuff, i'm about ready to just put the car down for at least a year wait till i have all the money and fix everything all at once. I allready have a fuel pump, pretty sure it's a 255lph walbro, i'll check on that. But i think i need a bigger one. So by complete i mean i want a new primary rail, new secondary rail, 850cc pri, 1680cc sec, all SS lines, a SX fuel reg, and AN fittings, and a bigger pump if needed.

I dont think you will max out 550/1600 combo with a 62-1, even on high boost...



You might need twin fuel pumps to maintain a nice fuel pressure though.



Keith sells his own primary and secondary rails.



Www.kgparts.com

toddp31 04-11-2004 08:20 PM

You will want twin walbros, 550 and 1600 will be enough. Don't forget the resistors though.



There are a couple way to do your fuel system:



1. use the stock pressure and return and make them both pressure, and use the charcole canister line(take out the canister) as return. Then run braided line from the stock lines one to each rail. Then run out the rails to the FPR to the stock charcole line. You will only need the fittings for the FPR, the ends of the rail and one for the bulkhead fitting. You would have to draw it out to make sure you don't forget and fittings. Cheapest way



2. What I did was run the two pumps Y into 1 -8 line then Y back out to each rail. Then used the stock pressure line as a return. I did it this way in case one pump died I would still get fuel.



Keith is a good deal, and gets you your product fast.

rfreeman27 04-11-2004 08:54 PM


Originally Posted by toddp31' date='Apr 11 2004, 09:20 PM
1. use the stock pressure and return and make them both pressure, and use the charcole canister line(take out the canister) as return. Then run braided line from the stock lines one to each rail. Then run out the rails to the FPR to the stock charcole line. You will only need the fittings for the FPR, the ends of the rail and one for the bulkhead fitting. You would have to draw it out to make sure you don't forget and fittings. Cheapest way

This is how i ran mine, but all SS lines and a/n fittings in the engine bay.

Jay7 04-11-2004 11:39 PM

www.gothamracing.com Call Steve or Rich, both great guys tell them exactly what you plan on doing with your car and what numbers you want to produce and they can set you up.

Jay

rfreeman27 04-12-2004 12:51 AM


Originally Posted by jxy nyc' date='Apr 12 2004, 12:39 AM
www.gothamracing.com Call Steve or Rich, both great guys tell them exactly what you plan on doing with your car and what numbers you want to produce and they can set you up.

Jay

They get their kits from keith...



i'm pretty sure anyways...


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