As the stock fuel pressure regulator gets old, it might not hold the fuel pressure any more. The stock fuel pressure regulator costs around $200-250 from the dealer. Why change to a stock one that might fail and does not flow as well while you can get the all aluminum high flowing FPR for about the same price? Even if your stock one does not fail but you wish to increase the fuel pressure above the stock level, you will need to add one after the stock one. The stock one might become an restriction on flow so it will not be an optimal setup.

SARD has come out with a adapter to make their fuel pressure regulator to work with the stock 2ndary fuel rail. You can either run rubber lines with it or you can run with braided lines. With the FPR in place, it's also much easier to install a fuel pressure sensor.

Stock fuel rail with adapter installed, SARD FPR, Stock FPR



Fuel Rail Adapter



Fuel Rail Adapter with 8mm nipple installed to work with rubber fuel line



Fuel Rail adatper wtih AN-6 adapter installed to work with hose fittings & braided lines



How it looks installed (Note: It's not installed on a 3rd gen but same kind of routing)



The fuel pressure regulator is $145 which comes with either 2 AN-6 adapters or 2 8mm nipple. The adapter is $25. The extra 8mm nipple or AN-6 adapter you need will be $10.

SARD makes many quality and unique products for the 3rd gen and we are going to do more write up's on them.

We carry all SARD products and we are an authorized wholesale dealer for all SARD products. You can also purchase SARD products from RX7 Store.

(For Moderator: This post has been approved by Ryan. Please PM him if you have any questions)



Chuck

 

Thanks Chuck,

I was wanting to upgrade my FPR while everything was out but didn't want to deal with the fittings. You might be hearing from me soon.

 

Sounds good. The SARD FPR is pretty compact in size. It should be very easy to install. If you still have the stock twins, you can mount the FPR on the driver side near the ignitor. There is some room there. If you have a single turbo, you can mount it in front of the intake manifold.

Chuck

 

Very nice, I am trying to be semi stock sleeper (CA reasons). I see the FPR on your site but none of the attachments necessary for the stock rail install.

 

what is the difference between that and the type-r version? does the type-r one use bigger lines?

 

Thats exactly what i have been waiting for. You are the man!

 

Nice! Good to see more options!

FPR's are also handy with some larger fuel pumps, as they can sometimes overwhelm the stock FPR so you run higher than normal fuel pressure. I had to go to an aftermarket FPR in my old FC for this reason - had a rewired Walbro, and I was running at least 5-10 PSI too much fuel pressure.

Dale

 

Sorry, just got the adapter in yesterday so I haven't got time to put it on the website yet.

Chuck

 

The Type RJ SARD fuel pressure regulator is just larger in physical size. All the internal construction is the same as the smaller SARD FPR.

The Type RJ can be used with AN-8 lines. If you don't need to go with AN-8 line, you don't need to use the Type RJ. It will be a waste of money.

Chuck

 

^ it also flows more but the smaller ends at 1bar and the larger is 1bar and above, correct? So, if I don't plan on going beyond 16lbs ever then the only other reason to get the larger one is if I switch to larger lines? Do I have to do braided SS lines for the smaller unit in order to attach it? If it attaches to the 2ndary line only, then I still retain the FPD on the primary rail?

 

I stopped by rotaryextreme last monday and picked me up the FPR and adaptor. cant wait to put it in.

 

so could i just use that adapter with my sx fpr?

 

Do I need the type-r version with a single turbo? I can't find the chart that shows what HP maximum the smaller version is good for.

 

Chuck,
how is the fitment on the adapter plate for the fuel rail. I have heard of some of the aeromotive and sard adapter plates leaking on some of the DSM applications. granted it is a completely different car, but I was just wondering. Thanks

-Ben

 

I'm wondering this also, with any aftermarket FPR?

 

Yes, you can use it with any aftermarket fuel pressure regulator.

Chuck

 

You mean small one is only good to support 1 bar of boost? That's wrong. It's good to support about 550 rwhp.

You don't have to run braided lines if you use the adapter piece. You can just use rubber fuel line.

The primary fuel rail has the fuel pulsation damper. It's not a FPR. FPR only goes to the very end of the fuel rail.

Chuck

 

The adapter has O ring seal, just like the stock FPR. Maybe they didn't install it right. You need to lubricate the o ring with engine oil.

Chuck

 

For the people who have this w/ the stock turbos where did you mount it?

 

You can mount it anywhere. You can mount it near the ABS pump or near the master cyclinder.

Chuck

 

Are these adapters still available?

 

Sard makes AMAZING parts. Major Big Ups to RE for carrying them. When things start rolling for sure there will be SARD parts in my car.

 

Hey Chuck,

Can you install one in my car?

 

 

I got Sard from chuck, I replace my sx type with it and it is a very nice setup and much smaller, also I mount mine next to the fuel relay (box) I custom made a bracket to make it fit there.
khris