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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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09-05-2005, 01:29 AM | #1 |
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Join Date: Dec 2004
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Ka24et FAQ
Yes! For all you boostfiends that love SingleSlammers, the official KA-ET Writeup!
First things first, make sure you've got time, some cash, and a good compression engine. ------------------------------------ Basic specs of our KA24E SOHC 2.4liter: Displacement: 146 cubic inches (2.4 L) Bore: 3.50" (89 mm) Stroke: 3.78" (96 mm) Compression Ratio: 8.6:1 (also 9.1 in some engines) Compression Pressure: 142-192 psi. Horsepower @ RPM: 134 @ 5200 Torque lb*ft @ RPM: 154 @ 3600 Camshaft lobe lift: .388" (9.86 mm) Intake valve dia: 1.34" (34 mm) Exhaust valve dia: 1.58" (40 mm) Valves: 12; 8 intake, 4 exhaust ------------------------------------ Basics needed for KA-ET: Turbo Manifold Intercooler Higher flowing injectors Oil fittings and lines Turbo Downpipe/Turbo Elbow Blow off valve (when upping the boost) Higher flowing fuel Pump Boost gauge (im an idiot and forgot) ------------------------------------ SOHC Manifolds: Gladman performance Import Auto Performance JGS Precision RealNissan.com/Nizzx.com manifold RevHard Intercoolers: Any will work. Once you go higher than 370s, piggyback/standalone is a MUST!!! Injectors should be topfeed, unless replacing/upgrading to sidemount injectors. Oil lines and fittings: JGS Precision Turbo: Generally, something pretty big for 2.4L T25 (safe but small) GT28RS T2871 GT3071R GT32 T3/4 Hybrid Downpipes and Elbows: Everyone makes em. Blow off valves: JGS HKS Tial Greddy Wastegates: Tial JGS Precision Turbonetics TurboSmart Fuel pump: Walbro 255 MAF: 300zx or Cobra MAF *edit*(good to 500hp)*edit* Can anyone vouch for 700hp on a Cobra MAF? ------------------------------------- IIRC, you can achieve 300hp on stock internals, but thats pushing it. I'd personally boost up to 10-15psi on stock internals. I forget what sparkplugs were recommended, but normally they should be regapped to .028-.03 *EDIT* Splitfire PLAT 3's or NGKs preferred *EDIT* On stock boost, you don't need any standalone or piggyback, but once upping the boost, its a must. Once you start boosting over 10psi, I suggest you start building internals or other support mods. And being as our cars are SOHC KA-Es, there is a plethora of parts out in the market, albet hard to find, that would make your mouth water. Google things up. Heres a hint, REBELLO!!! And you can't forget the premier Nissan Tuner, Jim Wolf Technologies. ------------------------------------- Dynotuning is a must. Or you could try to ghettorig that, and find an open street/lot (but thats just being STUPID!!) Feel free to add anything, being as this is a FAQ. My personal build would allow me to reach approx. 240hp on stock boost. But no one is interested in my tweaked build. SINGLESLAMMERS, UNITE!!! And feel free to IM me on AIM or use the PM system if you've got additional input on this. Last edited by SochBAT; 09-06-2005 at 02:42 AM.. |
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