Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

which afpr?

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Old Feb 24, 2007 | 02:31 PM
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which afpr?

Best (budget) afpr
Hey guys, someone recently stole my junk afpr, which sucks.

I need to buy another one now, but I had gotten a crappy one before, so this time I want a decent one for whatever reason.

Please post which afpr you guys prefer.

And btw, I only the stock setup now, so I'd need to know about any fittings and where to get them from.

Thanks,

DF
Old Feb 24, 2007 | 02:40 PM
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I don't recommend ebay crap if you're looking for a cheap AFPR, I've had a few bad experiences with them. I'm running a Accufab AFPR, probably the cheapest one you'll find that works well. AEM and others works well too but they are double the price (ie $200ish) cause of their name.
http://www.autoperformanceengineerin...l/af_regs.html

The universal application is what you need.

*edit* Looks like APE no longer sells the UREG so the next cheapest is around $139... I dunno how they compare in price against AEM and other name brands.... good luck...

http://www.accufabracing.com/fuel_regulators.htm
Old Feb 24, 2007 | 02:49 PM
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What fittings will this have on it? I really don't understand what I'd have to do to go to the aeroquip fittings or whatnot. Can someone break this down for me?

DF
Old Feb 24, 2007 | 02:52 PM
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I'm looking to buy an AFPR too. I'm looking at the Sard which doesn't seem to expensive. You might want to look into it or the Nismo which runsn about $130. Speaking of which..anyone know if you can still buy though SX7R? I'd love to be able to buy it with all the needed fitting at one time.
Old Feb 24, 2007 | 02:58 PM
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I just emailed him about the product, funny you'd suggest that. I see two barbs, but I think you also need a gauge too. I'll post once I get a holla back.

DF
Old Feb 24, 2007 | 04:10 PM
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Also, why do most afpr's have a vacuum attachments? Some of them don't have them too. Does the line make it so the suction at idle reduces the pressure in the fuel rail or am I just stupid?

DF
Old Feb 24, 2007 | 06:36 PM
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I got mine from Justin from ImportCarPartsPlus. Its a Fuelab AFPR. Sent it to me $139 shipped. Best quality I've ever seen on FPRs. You can check out their stuff on their website like I did before ordering (www.fuelab.com). Mine is a #52501
Old Feb 24, 2007 | 06:54 PM
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Originally Posted by dfownz
Also, why do most afpr's have a vacuum attachments? Some of them don't have them too. Does the line make it so the suction at idle reduces the pressure in the fuel rail or am I just stupid?

DF
Because most cars run x psi of fuel at idle, and x psi at WOT. The FPR adjusts this pressure via the amount of vaccum it recieves from the manifold. VQ30s run 34psi/43psi (idle/WOT)
Old Feb 24, 2007 | 07:16 PM
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Good looks I'm probably getting one of these or the SARD one. I'll do a write up with pictures if you guys want.

DF
Old Feb 24, 2007 | 07:47 PM
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Aeromotive A-1000 FTW! Really easy adjustment. Also, its got a gauge port in the unit.
http://www.aeromotiveinc.com/pdetail.php?prod=10
For fittings you'll need O-ring Boss fittings in the correct size which will probably be -6 AN. I welded the appropriate fittings to the OEM 30 rails. Actually, I am selling these if anyone is interested.


Old Feb 24, 2007 | 11:19 PM
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Originally Posted by dfownz
What fittings will this have on it? I really don't understand what I'd have to do to go to the aeroquip fittings or whatnot. Can someone break this down for me?

DF
Most APFR will come with (2) 4AN barb-fitting, one into and one out to return. Most also have an additional port for a gauge, 4AN is plenty for a fuel line but you can always up it to a 6AN if you feel the need. If you can get the fuel rail adapter from SX7r, all you need to do is remove stock FPR > new adpater > line into AFPR > Line from AFPR to tank...
Old Feb 25, 2007 | 07:19 AM
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Broaner, are you selling fpr's, fuel rails, or boss fittings. Also, wtf is a boss fitting. I want to use the rubber hose lines that are there right now, so I'd have to get a barb adapter.....should I use an aeroquip -6an barb fitting? Do I still need the boss o-ring with that too?

Should I have braided lines instead of rubber ones? How much is it to convert to that setup? heh....that's all.

Sorry, I'm just really confused.....,

DF
Old Feb 25, 2007 | 09:46 AM
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For braided lines they don't seem very expensive. I'm going with some from www.paragonperformance.com. They'll look better than rubber and the fitting are better. I really wouldn't want a rubber hose to break under the hood while driving around. Fuel + hot turbo = bad day. I'm waiting on an email from sx7r to see about the rail rail adapter. I decided to go with the Aeromotive unit instead of the sard.
Old Feb 25, 2007 | 10:48 AM
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Originally Posted by dfownz
Broaner, are you selling fpr's, fuel rails, or boss fittings. Also, wtf is a boss fitting. I want to use the rubber hose lines that are there right now, so I'd have to get a barb adapter.....should I use an aeroquip -6an barb fitting? Do I still need the boss o-ring with that too?

Should I have braided lines instead of rubber ones? How much is it to convert to that setup? heh....that's all.

Sorry, I'm just really confused.....,

DF
Sorry for the confusion. I call them ORB's. O-Ring Boss's. Its basically a non tapered male fitting with an O-ring to seal rather than the taper to seal. I'm definitely keeping all my FPR stuff. I'm only selling my OEM rails that have been modified to accept -8 feed and -6 AN return fittings. I'm moving to top feed system because I'm stepping to a VQ35. Anybody that wants my rails could have them for $40 shipped.

Price for converting to a braided system is totally dependent on the hardware you use. My system ran me roughly $800 including pump, AFPR, and all plumbing.

If you want to be able to clamp onto your OEM rails you should get an FPR with -4 barb fittings as Jcy mentioned. IMO, there is absolutely no point in stepping to braided lines unless the entire system is braided and utilizes AN fittings. Clamping a braided line with a wormgear clamp is worthless and has less pressure holding ability than a rubber line.
Old Feb 25, 2007 | 10:55 AM
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broaner- YGPM

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Old Feb 25, 2007 | 11:36 AM
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Which is bigger -4 or -6

DF
Old Feb 25, 2007 | 11:58 AM
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With the Aeromotive A-1000 can you get barbs for it that will fit the stock rubber fuel line? If so where?

I think I'm going to get one of these. They look decent.

DF
Old Feb 26, 2007 | 04:12 PM
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^^ bump....I need an answer before I buy!!!!!

(Where can I get -4 barb fittings and o-ring boss's for the a-1000?)


DF
Old Feb 27, 2007 | 07:47 AM
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Whats YPGM Alex?

The larger the number the larger the line.

I would assume you could rig up some sort of conversion that would allow you to work a -6 ORB into a -4 barb. But really barbs aren't measured in - AN sizes. You really want a 3/8" barb.
Old Feb 27, 2007 | 08:55 AM
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Grr...where can I get these barb's that go onto -4 thread? I need 2x barbs and then a plug for the other inlet that I won't be using. I can't find any local places to get them.

DF
Old Feb 27, 2007 | 09:03 AM
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You Got Private Message, check the top right of your screen.

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Old Feb 27, 2007 | 10:02 AM
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The best way to figure out plumbing is to find an Aeroquip store or speed shop that carries a large assortment of plumbing fittings. With no experience with plumbing its very tough to order stuff online. Now, I order all my stuff online but before I felt I couldn't sort through the abbreviations well enough to get stuff to work properly together.

My best suggestion would be to find a male -6 ORB to a female 3/8" NPT. It'll be tough to find but I'm sure its out there. I have no experience in this area as I never fxcked with mixing AN and NPT. Then just go down to your local hardware store and get a brass male 3/8" NPT to 3/8" barb.

If you're going to go with the A-1000 it comes with one -6 plug and an 1/8" NPT plug for the pressure port if you aren't going to use it.
Old Feb 27, 2007 | 11:09 AM
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Sorry the previous post was meant 4 a different thread.
Old Feb 27, 2007 | 04:06 PM
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I'm gonna have to give that a big WTF?^
Old Feb 27, 2007 | 06:47 PM
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Yeah, does anyone know if the Sard fpr comes with all the stuff I need to just plug it in? I found it on http://www.rx7store.net/product_p/sard%20fpr.htm and I know its more than on sx7r, but I believe Thomas has stopped selling from the site. It says it comes with -6 barbs....Will this work for me? I cannot seem to be able to find any info on this or anywhere that sells an fittings at all.

DF
Old Mar 1, 2007 | 04:41 AM
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bump

I do not have a car until someone tells me whether -6 barbs will fit into my fuel line. Please respond.

DF
Old Mar 8, 2007 | 01:45 PM
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Incase anyone was following this thread looking for answers, I ordered an Aeromotive fpr from a local dealer. It wasn't the a-1000, I'm not around it right now, but its the one with 4 3/8" inlets. I chose this one because it didn't use the an fittings but NPT, which I needed.

If anyone has any questions feel free to pm me....getting this and all the info turned out to be quite the hassle (time-wise).

DF
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