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Old 01-06-2010, 12:49 AM   #1
suberdave
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Default EJ20G Parallel fuel rail mod

Well i have been working on it for the last week... looks like it is going to work awesome. just have to get it in the car and see how it works...

The AN adapters going right into the rails were turned down on a lathe and silver soldered on. said to hold up to 3000PSI... We'll see...











This will go nicely with my VF37 sitting in the back of the manifold. And the 2.5l block it is sitting on... notice the spacers between the intake and the heads... this will allow me to run a front entry turbo (also have to change to a EJ20K P/S pump, but that is already on the car)

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Old 01-06-2010, 01:10 AM   #2
Cbgrandtheftauto
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looks good...but of course anything with SS braided hoses does
did you smooth out the manifold???
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Old 01-06-2010, 03:37 AM   #3
route69wrx
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damn nice!
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Old 01-06-2010, 08:49 AM   #4
beaviscih
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Very nice. I have a 20G manifold sitting on m work bench and was debating about doing this but didn't know a good way of modifying the rails for the AN fittings. Looks like -6 lines - correct?
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Old 01-06-2010, 09:14 AM   #5
suberdave
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Quote:
Originally Posted by Cbgrandtheftauto View Post
did you smooth out the manifold???
i gasket matched the ports, they looked like poo...

Quote:
Originally Posted by route69wrx View Post
damn nice!
Thanks

Quote:
Originally Posted by beaviscih View Post
Looks like -6 lines - correct?
yeah -6 AN. after looking at the stock rails and line sizes i thought anything much larger would be way overkill for my build.

-=Suberdave=-
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Old 01-06-2010, 11:05 AM   #6
Marnix
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Looks terrific! Want to do the same when I'm building my EJ20K/G hybrid
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Old 05-12-2010, 10:24 PM   #7
TRBO_BXR
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Quote:
Originally Posted by suberdave View Post
Well i have been working on it for the last week... looks like it is going to work awesome. just have to get it in the car and see how it works...

The AN adapters going right into the rails were turned down on a lathe and silver soldered on. said to hold up to 3000PSI... We'll see...











This will go nicely with my VF37 sitting in the back of the manifold. And the 2.5l block it is sitting on... notice the spacers between the intake and the heads... this will allow me to run a front entry turbo (also have to change to a EJ20K P/S pump, but that is already on the car)

-=Suberdave=-
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Did you have them add it to the ends? Silver that is. Been wanting to do this meself.
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Old 05-13-2010, 02:53 AM   #8
sniper512
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So stock EJ20G heads on a EJ257 block or EJ25D with which head-gasket thickness? . Really nice fueling solution.
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Old 05-13-2010, 07:24 PM   #9
suberdave
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Engine Specs:

2005 EJ257 Block, crank, rods
1997 STI EJ20K Heads (Pollished Intake Ports)
JE Deep Dish Pistons\
STI Head Gaskets / will give me 8.75:1-8.80:1 compression ratio
1997 STI EJ20K Cams
1996 EJ20G intake manifold (ported and painted) and wiring
1996 EJ20H Timing Belt Covers
2003 EJ207 VF37 Twin Scroll Turbo
1" Intake Spacers to allow front inlet turbo
Phenolic intake spacers
EJ20K Power Steering Pump
ViPEC standalone ECU (Currently in the car)
ARP Head Studs
Gates HP Timing Belt
Excedy Twin Disc clutch
Custom Built -6 AN Parrallel Fuel Rails
Sard Fuel Pressure Regulator

-=Suberdave=-
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Old 05-13-2010, 10:18 PM   #10
azn0boi04
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in and running yet?
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Old 05-14-2010, 01:05 AM   #11
suberdave
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yeah been driving it for 2 weeks now...

have to get a few more miles on it, then i will be taking it back to the dyno and tuneing it...

-=Suberdave=-
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Old 05-14-2010, 11:41 AM   #12
azn0boi04
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sweet i wanna come by today to take a quick look, actually maybe this weekend some time.
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Old 05-14-2010, 07:44 PM   #13
suberdave
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give me a call and we will meet and talk...

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Old 05-14-2010, 07:47 PM   #14
Cbgrandtheftauto
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post some numbers when you dyno it...Im curious on how much it will make
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Old 03-31-2011, 03:10 PM   #15
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Hi, First thanks for making the thread with the great picts! I have a NOOB question but I am in the middle of doing this and am wondering with the stock rails gone there is no longer the metal vacuum lines for the charcoal canister, what do I do with this can I just take off the hose that normally connects the stock rail to the metal line that goes into the firewall and runs back to the canister and leave it open? Or do I need to do something else? car is a 2000 rs and the engine is a 1996 v2 sti if that matters or helps.

Thanks in advance,
Jesse

Last edited by spackyscooby; 05-18-2011 at 12:50 AM.
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Old 04-01-2011, 05:05 PM   #16
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nice work dave
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Old 04-01-2011, 08:30 PM   #17
suberdave
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I did connect up the Charcoal canister. i just used rubber lines not the medal lines. as you can see in this picture.



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Old 04-02-2011, 10:33 PM   #18
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Quote:
Originally Posted by suberdave View Post
yeah been driving it for 2 weeks now...

have to get a few more miles on it, then i will be taking it back to the dyno and tuneing it...

-=Suberdave=-

sorry to hyjack this or what ever.....wheres this dyno at, I see your in western washington.....my car is close to road worthy so here soon I would like to get some tuning done
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Old 04-03-2011, 01:56 AM   #19
spackyscooby
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Ok thanks, one more question. I have been told but just want to make sure, in the pict #4 is the vacuum port that I will run to the charcoal canister correct?
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Old 04-07-2011, 01:22 PM   #20
TommyAtomic
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Quote:
Originally Posted by suberdave
I did connect up the Charcoal canister. i just used rubber lines not the medal lines. as you can see in this picture.

-=Suberdave=-
Slightly Off topic but looking at your engine bay there are lines running away from black boxes the top of your struts. What do those lines go to? What kind of shock/strut/coil setup is that?

Btw nice parallel fuel rail setup
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Old 04-07-2011, 03:26 PM   #21
sneaky
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Quote:
Originally Posted by TommyAtomic View Post
Slightly Off topic but looking at your engine bay there are lines running away from black boxes the top of your struts. What do those lines go to? What kind of shock/strut/coil setup is that?

Btw nice parallel fuel rail setup
Its Tein's EDFC, the electronic control of the dampening. Can be used on the higher end Tein coilover setups.

http://www.tein.com/products/edfc.html

Last edited by sneaky; 04-07-2011 at 03:27 PM. Reason: link
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