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Chat General Discussion About The Nissan 240SX and Nissan Z Cars |
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#31 |
Zilvia FREAK!
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Subscribing. I may look into this more in the future.
Quick question though... Do you need a S14 or S13 RWD block? Or, does it matter? I have a stroker s13 block that I have not been able to sell, so I was thinking about using it for this swap one day, but didn't know if it would work.
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1997 Nissan 240sx 1991 Nissan 240sx hatch |
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#32 | |
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I didnt know you were on the forum !?! I know someone that upgraded to 6mm stem on is p12 and use p11 valve spring by machining the spring seat Give a look to autotech motoring guys , they make killer parts for our engines ! ![]()
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AV FABRICATION Built thread sr20vet s14 http://zilvia.net/f/showthread.php?t=535574 |
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#33 |
Post Whore!
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Ditto. I got amped up when I just now learned about it. I thought I knew just about everything you could do to an SR and was excited to learn something new. But it looks like way more work & money than I'd need to spend for my meager goals. I'd be interested in doing the VET swap & pairing it with a S15 turbo. But it sounds like this is waaaay too cost prohibitive to handcuff it with an S15 snail. Guess I got kinda excited to find out how the few S-Chassis on Hot Version videos probably achieved their level of performance on OEM components. I think I'll just stick with the typical GT2871r or EFR6258 build unless I start balling out like the rest of you guys doing this swap.
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#34 |
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I have a s14 block for my ve conversion ! Lets just say its easier with a s13
I had to plug my vtc oil feed at the front of the engine ! And drill a hole in the front of the block for my oil pump cassing bolt !!! You still need to plug the rear drain hole because its not covered completly on s13 / s14 / s15 engine
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AV FABRICATION Built thread sr20vet s14 http://zilvia.net/f/showthread.php?t=535574 |
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#35 |
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My buddy Dave Briggs runs vvl killer cam on is sr24vet
Most of my built idea is from looking at this motor I then looked at the motoiq built (sr15vet land speed record) and i saw that i didnt do what those guys did ! With the vvl killer mod you dont use oil pressure to switch from low to high lobe ! And i guess with no oil going to that vvl relocation kit in the back you dont have to plug that port under the head ! ![]() My question can i plug it of from the back (by removing the vvl relocation and pluging the port because everything is instaled on my engine
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AV FABRICATION Built thread sr20vet s14 http://zilvia.net/f/showthread.php?t=535574 Last edited by rbs14kouki; 02-17-2014 at 07:42 PM.. |
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#37 | |
Zilvia FREAK!
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95 240sx RB20 415whp 91 Nx2000 VVL yo |
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#38 |
Zilvia FREAK!
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#39 |
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Eliminating the VVL will be mainly used for non-street cars. VVL requires oil pressure for activation and by eliminating it generally increases oil pressure. It also lightnens up the valvetrain slightly. Most race cars are operating at higher rpm ranges anyways so the more aggressive main cam lobs are being used at all times.
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#40 |
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This is a sr24vet with the vvl killer mod
Around 700whp Gtx3582r Fullrace mani Gforce gsr transmission C16 race fuel (No NOS in those pull) http://youtu.be/Mom7xkCVcto http://youtu.be/Gl4Tn4AnQMw
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AV FABRICATION Built thread sr20vet s14 http://zilvia.net/f/showthread.php?t=535574 |
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#41 | |
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AV FABRICATION Built thread sr20vet s14 http://zilvia.net/f/showthread.php?t=535574 |
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#42 | |
Post Whore!
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Yes. Thoroughly. So you use the OEM N/A VE cams and exhaust rockers in the VET head so that you'll have VVL on both the intake & exhaust side? I'm still trying to determine if this is worth my time & effort since I have pretty mild goals. I need to see some video or dyno breakdowns to see what are the real world merits of this. Like, if someone did what you described above & used a stock DET turbo like a T25 or T28, what would the gains be? What would this VET conversion yield with a GT2871r or EFR 6258 versus a DET head? Trying to compare & contrast... |
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#43 |
Post Whore!
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I'll post the dyno later, but back when these swaps weren't main stream, there was a guy with a blue hatch that had a DET making just under 400whp on a GT3076R. Mazworx did the VET conversion for him. With just the head swap and other necessary components( intake manifold, injectors, throttle body, tune) he made 491whp at 18-19psi. This was with the same stock bottomend and exhaust components. So in other words, the swap gave him almost 100hp. Obviously you aren't going to see results like that with a t25/28 but better/higher flowing turbos will compliment this head much better. If you're looking for high hp or a very responsive 450hp, this is what you want/need. The DET flows like shit plain and simple.
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#44 |
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^^^Ooo wee... Thats the kind of testimonials I'm looking for. Thanks.
So let me ask: VET head with VE cams/exhaust rockers on stock DET block bolted up with an S15 GT2860r @ 14psi... 350whp sound realistic? Waste of time? What other factors should I consider? Last edited by simmode1; 02-25-2014 at 04:26 PM.. |
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#45 | |
Zilvia FREAK!
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![]() GT2868 on E85 rwd VE+T.
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95 240sx RB20 415whp 91 Nx2000 VVL yo |
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#46 | |
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![]() Here is the same guy/setup that Yellow4g63 posted but on C16, but his setup is far from stock. ![]() "The Spec: BLOCK: SR20det Block 87mm bore stock sleeves CP pistons for 9:1 SR20DE(T) Eagle Rods. ARP Mains, rods, Head Calico coated ACL "race" bearings. (STD +.0002 oil clearance) P11 SR20VE timing cover/oil pump Cosworth 1.1mm headgasket. HEAD: P11 SR20VE head, (decked 1mm for 10.5:1) P11 SR20ve Stock Cams (advanced 2.5 Degrees to make up for Decking) SuperTECH Valve springs (the lighter of the 2 HD sets for VE) SKULLWORKS VE Conversion Packeage. (now with stuff AND things) Cut and flipped Stock P11 Intake manifold. HoT StUfF: Repurposed Megan manifold for EXT WG and V-band outlet Forced Performance HTA 2868 turbo, TiAl V-band Turbine Housing, TiAl MV-R wasting Gate (might be MV-S actually...) V-band 3" downpipe and integrated WG return (no screamer pipes here ladies) Cold Stuff: Blitz big by large FMIC custom Ghetto Compton intercooler piping, Greddy BOV (it works no F7Cks given) Stock SR20VE ~70mm TB 1000cc RC injectors Whiz Bang Stuff: AEM EMS series 2 S15 Stock Coils, Sensors and stuff, serial gauge, Oil pressure gauge"
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*My SR20VET* Does your VTC gear rattle in your S14/15 SR? PM me. |
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#47 | |
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#48 |
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I'm no expect but why not go a larger turbo then s15 if you are going to do the VE swap? VE gives great response so even if you go larger it's not as laggy as a det head?
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#49 | |
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Personally, I have not driven in an S-Chassis with more than 300whp. I'm a little hesitant to step up to the 450hp level because I worry about driveability & lack of traction on the street at that point. I think 350hp is more than enough to have fun with and get me into trouble. I'll probably just stick with a turbo upgrade on the DET head. VET seems like the SR big leagues and I'm just a small fry. I try to be realistic about my limits. |
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#50 | |
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The only downfall in the stock VE head is the exhaust guides and valves and the head was not made for extreme heat from a turbo setup. The VET 20V head is a good option but you are not going to find a cylinder head setup by itself rarely and the full longblocks are still going in the 2K range vs you can by a complete VE P11 longblock for around 800 |
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#51 | |
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#52 |
Zilvia Junkie
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A GTR-S will be way to small for a VET head conversion, they're not even that great on a normal DET head.
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#54 |
Zilvia FREAK!
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^ serious..?
1. P11 or P12 head 2. VVL relocation plates if you have a p11 head. (solenoid is larger) 3. Sr20ve oil pump 4. Pistons with valve reliefs if you plan on running anything larger than p11 cams 5. 20V cas (won't clear s14 lhd firewall) 6. Hall sensor kit if you opt not to use 20v cas 7. fwd sr20de or any other aftermarket sr20 cam gears. 8. sr20ve oil pump drive gear or mazworx spacer 9. machined stock pulley 10. plug oil drain port on block 11. plug oil drain port on head 12. Drill and tap oil feed for vvl solenoid. (side of head) 13. Oil feed line to vvl 14. Oval bolt holes on sr20det manifold of choice or build one with ve flange 15. Mazworx oil pickup tube 16. Mazworx or taarks water pipe 17. aem / denso pencil coils for p11 or s15 coil packs for p12 head 18. Head gasket of choice 19. Cut / flip stock upper intake manifold or xcessive, hypertune, mazworx plenum (xcessive / hypertune are the only options right now for p12 heads) Pretty sure that's about it. |
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#56 | |
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**** this is with a mazworx plate i dont know if its the same with taarks , autotech motoring , xcessive , ...... Quote:
Electric power steering ???
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#57 |
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#59 |
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2.2 by bore (90mm) will not affect the rev ! A stroker kit can restrict abot more
We still get in the 8500 to 9000 with our 2.4
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