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09-26-2004, 12:13 PM | #1 |
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So is a MY98 rs fpr the same as an SVX fpr?
the reason i ask is that i canot find an svx fpr so i have read a few post stating that the parts are the same
Thanks Greg
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09-26-2004, 06:09 PM | #2 |
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Let me qualify this answer with the assumption that you want to use this FPR in a situation where you've upgraded your fuel pump and the current FPR is causing too high of fuel pressure at idle.
In this case, in my experience, and based on my assumption, it would appear that many of the 1998 and earlier FPR's work like the SVX one does. I am currently using one from a 1.8L subaru motor. I think it's 1997?? Regardless, we (Portly and I) believe that any 1998 or earlier should work better than 2000+ for added fuel capacity caused by a high flow fuel pump. |
09-26-2004, 10:48 PM | #3 |
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Yes it is the same. You can verify it with part numbers on subaruparts.com or call your local dealer. It was a while ago but I cross referrenced part numbers and most of the 98 and older motors used the same part number.
Greg, I got your pm as well. I have to dig through my spare parts and see if i still have it. I'll pm you back and let you know. |
09-26-2004, 11:58 PM | #4 |
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is the L also the same? 98 L?
-Jake |
09-27-2004, 09:39 PM | #5 |
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thanks Mancini
let me know Greg |
09-27-2004, 10:35 PM | #6 |
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what is the advantage of using the older fpr's? what do they do that the newer ones do not?
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09-27-2004, 11:36 PM | #7 | |
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09-28-2004, 03:30 PM | #8 |
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why is that better though? why would you want to run crazy rich all the time? or would you be running rich at all?
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09-28-2004, 06:48 PM | #9 |
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yes you would be running rich, very, like me my cruise and idle fuel pressure is around 52psi, my gas mileage sucks and also my idle is a bit rough, on cold mornings my car is hard to start and i know for a fact this is because of the high fuel pressure...
Greg |
09-28-2004, 09:18 PM | #10 | |
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09-29-2004, 02:09 PM | #11 |
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all subaru fpr's will throw the same amount of fuel psi as boost psi into the engine. that is how they all work. do you need 4 psi of fuel for every 1 psi of boost?
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09-29-2004, 03:48 PM | #12 | ||
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Quote:
Quote:
_Jeff |
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09-29-2004, 04:49 PM | #13 |
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so i should get an older fpr off an impreza or svx if i get a high flow fuel pump on my 02 rs? i dont have any management.
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09-29-2004, 06:44 PM | #14 | |
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Quote:
Off topic, but curious - why would you want a high-flow pump on an unmanaged car? W/o some timing and fuel management, there's no remotely safe way to be running any boost and w/o boost, what do you need a high-flow pump for? Building for the future? _Jeff |
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09-29-2004, 08:09 PM | #15 |
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thats not true. my friend has a turbo legacy with a tdo4 turned down to about 5 psi, run mechanically, and he has had no problems. the setup was acutually on an older L before that too! the guy who put the thing together is a master subaru tech who has worked with them for 26 years. the guy is crazy. i could listen to him talk all day! regardless, it has been done and im doing it as we speak. im putting the td04 on with an hks downpipe, fitted to my car with the turbo higher up in the engine bay than normal, and a custome uppipe. along with a voltage clamp for the map sensor, a valve check for the charcoal canister, and my coolant and oil lines. i am going to see how it runs and then go from there. i also have twe stage 2 heads and cams so it should be pretty fun.
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09-29-2004, 08:53 PM | #16 | |
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_Jeff (starting the countdown to yet another "Blew My Engine!" thread) |
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09-30-2004, 12:56 AM | #17 | |
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que? you took an ej22T which could take way more boost and turned it down? So you put a new WG spring on the TD 04? I dont understand |
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09-30-2004, 08:12 AM | #18 | |
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_Jeff |
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09-30-2004, 08:50 PM | #19 |
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it was a newer 2.5 dohc engine. we'll see!! haha!!
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