Sr20ve noob questions

[nissans13240sx]

In the next few weeks I will be buying a SR20VE for my 93 g20. I am trying to get all the facts squared away and I would like to just verify everything before I go tearing my car apart. I am understanding that I can use my DE harness and ECU(with some sort of tune for injectors). Also I need to use the DE distributor and notch it to fit the VE head. Now I have been having trouble understanding how to wire up the VVL. I understand the fact that I need to use a RPM switch but there is 2 soliniods and I believe each are activated at differnt RPMS. I think the intake camshaft is switched at 5000 rpm, and the exhaust at 6500 rpm. Do I need to run 2 swithes? Also what rpm does the VVL turn off at or does it go till redline? Also if I am missing anything for the swap, please let me know.

I have searched so sorry if this has been asked alot I just couldn't find clear answers.

[flinterman2000]

I'm pretty sure the VVL works on the intake cam only. The only engine I know that uses VVT is the 3S-GT Beams engine (Toyota Altezza or Lexus IS200). The VVL switches on at 3800 is controlled by oil pressure and goes to fuel shut off or red line if the shut off is by passed. Not sure about using the DE ECU although I dont think it would work as the oil pressure is a factor in its control, and the distributor may have to be used from the VE as it allows more advance at higher RPMs.

As I said I'm not sure so do some more research.

[RED_DET]

There has to be solenoids to control the cam activation. In order for this to work properly, the ECU must be programmed for this to occur.

[nissans13240sx]

There has to be solenoids to control the cam activation. In order for this to work properly, the ECU must be programmed for this to occur.

The motor has the solinoids already, I will be using rpm switches to control the VVL. Also using a AFC to control fuel. I am going to try and make a good write up for everyone when I do my swap, since there really isnt any good ones out there.

[2jztwoforty]

nissans NEO VVL is basicly the same as honda's VTEC, it is on both cams and it is not just a variable valve timing system. each cam has 3 lobes per cylinder and a rocker arm system that has 3 arms. the 2 outer lobes are the low cam and the middle lobe is the High cam, the rockers have a little arm under the middle pad that locks the three arms together so it follows the large middle lobe only

[Yellow4g63]

In the next few weeks I will be buying a SR20VE for my 93 g20. I am trying to get all the facts squared away and I would like to just verify everything before I go tearing my car apart. I am understanding that I can use my DE harness and ECU(with some sort of tune for injectors). Also I need to use the DE distributor and notch it to fit the VE head. Now I have been having trouble understanding how to wire up the VVL. I understand the fact that I need to use a RPM switch but there is 2 soliniods and I believe each are activated at differnt RPMS. I think the intake camshaft is switched at 5000 rpm, and the exhaust at 6500 rpm. Do I need to run 2 swithes? Also what rpm does the VVL turn off at or does it go till redline? Also if I am missing anything for the swap, please let me know.

I have searched so sorry if this has been asked alot I just couldn't find clear answers.

Stock cams switch them both at 4500-4800 rpm with a max rev of 7500. Your going to make peak power at 7100-7200 rpm. People just use MSD window switches with the rpm pills and wire both solenoids together. You cut the bottom tab off your DE distributor and it will bolt up to the VE head. Get your ecu chipped or do a daughter board or realtime board in it and tune the ecu for the stock VE injectors and which ever maf your going to run. Cheap ebay header and 2.5" exhaust and a good tune can land you 173-180hp to the wheels. If ur on a budget you can just throw your stock DE injectors into the VVL fuel rail and use that. You prob will get a check engine light because there is no EGR valve on the VE motor.

[nissans13240sx]

Stock cams switch them both at 4500-4800 rpm with a max rev of 7500. Your going to make peak power at 7100-7200 rpm. People just use MSD window switches with the rpm pills and wire both solenoids together. You cut the bottom tab off your DE distributor and it will bolt up to the VE head. Get your ecu chipped or do a daughter board or realtime board in it and tune the ecu for the stock VE injectors and which ever maf your going to run. Cheap ebay header and 2.5" exhaust and a good tune can land you 173-180hp to the wheels. If ur on a budget you can just throw your stock DE injectors into the VVL fuel rail and use that. You prob will get a check engine light because there is no EGR valve on the VE motor.

Excellent finally the answer I was looking for. I just wasnt sure if I could use one rpm switch for both solinoids because stock they turn on at differnt rpms. If I use the stock injectors wont it lean out? I have a SAFC laying around, I will probably use that for the 370's. Also previous owner already put a ebay header on my car so ill probably just use that. Thanks again for the info.

I am going to attempt to make a write up on the entire swap once I start mine. Thanks again apperciate it

[Yellow4g63]

Excellent finally the answer I was looking for. I just wasnt sure if I could use one rpm switch for both solinoids because stock they turn on at differnt rpms. If I use the stock injectors wont it lean out? I have a SAFC laying around, I will probably use that for the 370's. Also previous owner already put a ebay header on my car so ill probably just use that. Thanks again for the info.

I am going to attempt to make a write up on the entire swap once I start mine. Thanks again apperciate it

Well the stock untuned ecu is set for the stock DE 259cc injectors while the VE injectors are 333cc. If u just use the VE injectors the car will run rich but not too bad that it won't run.