IDAHOTUNERS: Big Bore Sr22 Twinscroll Gt30 Build

For the RWD SR20DET cars! Sponsored by Wiring Specialties.
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OutToWinPAHC
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Image


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PyR0NiAk
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OutToWinPAHC wrote:Image
:werd: :(

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idahotuner
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at this point i just need to come up with 1500 dollars. so i shouldnt need to sell much, and once i get this taken care off, might turn this into a strictly track car, and build it for the local drages.

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idahotuner
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maybe use a different head and a big turbo.

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homeslicej2
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:( sorry to hear man. Best of luck with everything.

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idahotuner
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well now i only need to come up with 1000 dollars after talking to my lawyer. so couple more sales and i could hold on to the rest and replace the stuff later.

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homeslicej2
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Lawyer?! Well, good luck then. I see that you sold one of the manifolds so that should help. Again, best of luck.

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idahotuner
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yeah i can replace it with a top speed one. when its time to go to work on it again.

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idahotuner
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or do a neo vvl head and gt 35

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PyR0NiAk
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idahotuner wrote:or do a neo vvl head and gt 35
This is what I expected when you said new head and big turbo.

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idahotuner
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yes. right now i am almost to the amount. but i might see if i can sell the whole front end and maybe do a s15 front end later. or i have all ways thought of an s14 zenki on a hatch would be nice

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nevertheless
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I vote pop-ups

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idahotuner
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lol converting back is kinda pain. and not really a selling point. lol

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idahotuner
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Well everyone should be happy I will be putting parts back on the car as soon as they get here.

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homeslicej2
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Yay!

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idahotuner
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Yep got rucas coming. A new freeze plug so I can get my clutch and tranny back in. Some 50mm vis over fenders. We are dropping the a**. And widening the stance. Getting a pig nose lip from a buddy and picking up a Mazworx manifold and new turbine housing. So I can get intercooler piping figured out.

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PyR0NiAk
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pignose lip? So you're keeping the silvia front end, then?

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idahotuner
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yep keeping the silvia front end. it look sick with the 50mm rear fenders, might get that bm hatch at some point to

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idahotuner
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Well we are going twin scroll gt3076r .82

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PyR0NiAk
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idahotuner wrote:Well we are going twin scroll gt3076r .82
Should easily reach your goal. How about a fuel setup? Walbro in tank + bosch 044 inline, and 1000cc top feeds?

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idahotuner
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Fuel system is going be hard wired walboro and 810 injectors. Mostly going. Be street. Fuel. Never really race fuel but. Try to get 475

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PyR0NiAk
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idahotuner wrote:Fuel system is going be hard wired walboro and 810 injectors. Mostly going. Be street. Fuel. Never really race fuel but. Try to get 475
That's my exact setup for my3071 and I'm already seriously considering a bosch 044 in line...

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idahotuner
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really? i have seen people make over 450 on 740cc injectors. i thought 810s would give me some playing room. well maybe i will continue my search for top feed injectors. deastch werks has a 300lph fuel pump. that seems like it would enough. but i will look into this bosch.

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idahotuner
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well deashwerk has 1000 cc side feeds, think those plusea hard wired 255 andiwill look forthis bosh fuel pump

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idahotuner
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actually check out this. seems like it would be plenty good hard wired http://www.phase2motortrend.com/cisp25intafu.html

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idahotuner
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well it seems not the best route is a in line walboro255 and hard wire the intank one and 1000cc injectors. sounds like a 700$ fuel setup good for over 600 hp. nice security window there

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PyR0NiAk
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idahotuner wrote:really? i have seen people make over 450 on 740cc injectors. i thought 810s would give me some playing room. well maybe i will continue my search for top feed injectors. deastch werks has a 300lph fuel pump. that seems like it would enough. but i will look into this bosch.
Kyle, a guy that use to be stationed here, hit 380whp on 740s before he exceeded the duty cycle his tuner felt safe at, so 810s are definitely needed for a reliable 400+ setup imo. As far as the pump goes, the cs one you found for $75 doesn't seem like a bad option. When I chose my fuel system, I decided I didn't want it to be my limiting option.

Edit:

Bart sent me a link a while back where multiple fuel pumps were tested including an aeromotive unit that did quite well. The walbro, on the other hand, did poorly.

Edit 2: Found this little bit of text about the 044:
This is the popular Bosch Motorsports "044" fuel pump, as used by Japanese European & Australian tuner shops, JGTC cars, Touring cars, almost all WRC cars, and many more. Quite possibly, the most popular aftermarket fuel pump. Capable of providing 300 LPH free flow and 200 LPH at 5 bar (or 72.5 psi) for up to 685 BHP. In comparison, the Walbro GSS341 255 "high pressure" fuel pump can support 390 BHP Note: Values calculated at 12V, 3 bar (43.5 psi) base fuel pressure, 2 bar (29 psi) boost pressure, 1:1 fuel pressure regulator ratio. These are inline fuel pumps, we recommend they be installed between the factory (or another aftermarket) in-tank fuel pump, and the fuel rail. These may be installed in the fuel tank, but some custom fabrication will usually be required. In addition, feeding these inline pumps with another pump (in series), will boost the output of the Bosch 044 fuel pump even higher.

M18x1.5 inlet, M12x1.5 outlet

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idahotuner
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When u stack the walboro fuel pump should give about 400lph its not truly doubled as it is with parrell pumps. But still plenty More then I need.

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idahotuner
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well i didnt notice before but jim wolf sells drop resistors and injectors besides the fuel rail kit.so looks like that will be a cheaper route all together for a injector upgrade.

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idahotuner
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well fixed a sensor on the tranny today, and popped the freeze plug out on the back of the engine so i can put the new on in tomorrow maybe and put the tranny back in, but we will see its the one year anniversary with the woman tomorrow, well today now.


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