KAZU Posted May 1, 2005 Share Posted May 1, 2005 in progress: http://album.hybridz.org/showgallery.php?cat=500&ppuser=7960 -- Kazu Quote Link to comment Share on other sites More sharing options...
240Z_Master Posted May 1, 2005 Share Posted May 1, 2005 Looks cool but I have no idea what NVCS means. Quote Link to comment Share on other sites More sharing options...
Cal Poly Zmanaustin Posted May 1, 2005 Share Posted May 1, 2005 Looks cool but I have no idea what NVCS means. It looks cool. Uhh...I am clueless on this too. It's written on the Nissan part on the album too and yet I still don't know what it is? This is driving me nuts, what is it? I Quote Link to comment Share on other sites More sharing options...
Cal Poly Zmanaustin Posted May 1, 2005 Share Posted May 1, 2005 It looks cool. Uhh...I am clueless on this too. It's written on the Nissan part on the album too and yet I still don't know what it is? This is driving me nuts, what is it? I Ah ha! I think I know what it is now. I believe NVCS is the old school variable valve timing system used by Nissan. Pretty cool. Mark Quote Link to comment Share on other sites More sharing options...
240Z_Master Posted May 1, 2005 Share Posted May 1, 2005 Ah ha! I think I know what it is now. I believe NVCS is the old school variable valve timing system used by Nissan. Pretty cool. Mark If I could figure it out, I would lol. Ladera Ranch, that;s not too far from me, are you dropping in a RB into your Z also? Quote Link to comment Share on other sites More sharing options...
Cal Poly Zmanaustin Posted May 1, 2005 Share Posted May 1, 2005 240Z_Master, I've considered the RB swap and originally I thought I was going to go that route. I wanted to do the RB26DETT, but its just too much money for me to pull off. I am keeping an open mind to the RB25DET right now, but am leaning more toward the LS1 swap. The reality of this is I am going to set up my car with the stock motor and hope I am able to save some money to fund the project I want. I figure it will take me a while to get the car up to snuff then decide. Did you already do the swap or are you in progress? Mark Quote Link to comment Share on other sites More sharing options...
KAZU Posted May 2, 2005 Author Share Posted May 2, 2005 people complain about less low end torque of RB26DETT than RB25DET. RB25s have got NVCS on intake cam. benefit: stable idle with NVCS off (lobe center angle around 115) low end torque with NVCS on (advanced to 95, much overlap) high end power with NVCS off (retarded back to 115, less overlap) -- Kazu Quote Link to comment Share on other sites More sharing options...
240Z_Master Posted May 2, 2005 Share Posted May 2, 2005 That's some good info, thanks a lot! Quote Link to comment Share on other sites More sharing options...
KAZU Posted May 14, 2005 Author Share Posted May 14, 2005 I got NVCS solenoid adaptor and made some oil hoses. Kazu Quote Link to comment Share on other sites More sharing options...
Cal Poly Zmanaustin Posted May 14, 2005 Share Posted May 14, 2005 Nice work! Keep us updated on how it goes when you test it out. Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted January 26, 2007 Share Posted January 26, 2007 Kazu, intrested to hear how this turned out.... j. Quote Link to comment Share on other sites More sharing options...
KAZU Posted January 27, 2007 Author Share Posted January 27, 2007 My car has been left untouched for 6 months. RB is still in my room. The oil clearance between solenoid piston and adaptor block I made was too loose. So I got another solenoid which is widely used on Nissan VQ engines. New sonenoid (left), adaptor block, and gasket (right). http://album.hybridz.org/showphoto.php?photo=13002&cat=500 Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted January 27, 2007 Share Posted January 27, 2007 Sweet.... please keep me in the loop on this Kazu. I'm very intrested in your progress on this. Thank You - joel Quote Link to comment Share on other sites More sharing options...
KAZU Posted January 27, 2007 Author Share Posted January 27, 2007 Sweet.... please keep me in the loop on this Kazu. I'm very intrested in your progress on this. Thank You - joel Thank you to be interested in my project. I hope I let engine running until the end of this year. Quote Link to comment Share on other sites More sharing options...
Pete84 Posted January 27, 2007 Share Posted January 27, 2007 What years of the RB25 have NVCS? All RB25s, or just the RB25DET? Quote Link to comment Share on other sites More sharing options...
KAZU Posted January 30, 2007 Author Share Posted January 30, 2007 What years of the RB25 have NVCS? All RB25s, or just the RB25DET? R32: no R33: early NVCS R34: AKA NEO RB engines including RB20 came with improved NVCS. NA engine has wider timing advance cam gear and intake valves may hit stock pistons. NEO intake cams and aftermarket cams for NEO can be used on RB26. Quote Link to comment Share on other sites More sharing options...
BirdmanZ Posted February 29, 2008 Share Posted February 29, 2008 Hey Kazu, any update on this? Quote Link to comment Share on other sites More sharing options...
Careless Posted March 13, 2008 Share Posted March 13, 2008 in doing this, doesnt one run RB25 cams on the RB26 head though? For aftermarket, what does this accomplish, if at all compatible. Quote Link to comment Share on other sites More sharing options...
KAZU Posted March 14, 2008 Author Share Posted March 14, 2008 I am planning to make a drysump oil pan. rb26 pan on minimill. I need both AC and power steering so could not find room for drysump pump. The problem solved because I recently put the electric power steering system in my car. Quote Link to comment Share on other sites More sharing options...
TurboSouthAfrican Posted September 27, 2008 Share Posted September 27, 2008 I realize this thread is old but curious to the outcome to this...... Any updates you care to share? Thanks I am planning to make a drysump oil pan. rb26 pan on minimill. I need both AC and power steering so could not find room for drysump pump. The problem solved because I recently put the electric power steering system in my car. Quote Link to comment Share on other sites More sharing options...
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