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Ok I finaly got around to swaping my ve into my 98 sentra.. I Guess the water pump went bad from sitting for so long... WHAT water pump do I use, Can I use the DE pump??
The DE pump will bolt up, however the pulley's are different sizes. The VE uses a larger pulley. Also, the VE pump seems to have a 5-fin pump, while my DE had 6, so I am not sure as to which pulley to use. Hope this helps a little, love to hear more about this.
Dudeman
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Thanks for the feed back.. Let me know how the SR16ve pumps works for you.. I have a spare new DE pump, but if the 16 pump works better than I will wait cause that is alot of work to do twice.
The SR16VE water pump can cause mild overheating of the engine if left idling for long periods of time. Make sure your thermostat is in good condition.
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The SR16VE water pump can cause mild overheating of the engine if left idling for long periods of time. Make sure your thermostat is in good condition.
Performance wise there isn't anything special about them. All I care about is for the engine to not overheat, and in this aspect the sr16 water pump does its job. I driven with them for awhile, including LA's notorious stop and go traffic, and several 30 minutes tuning sessions on the freeway where I pull the motor to 8500rpm in second and third gear. The engine never once over heated or has the temperature needle moved out of normal range. Again, this is all street driving. I don't really know how they would perform under racing conditions.
we've started using the B15 water pump on our race DE's, seems to work ok.
The fin design is different on those, I think 5 instead of six
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David J. Gerryts
2001 Sentra SE (SR20DE)
Pre Production NX2000 race car #33 (now with GTi-R power)vin# 001003
Pre Production NX2000 race car #44 10.1, C3, HS header etc.vin#001002
Performance wise there isn't anything special about them. All I care about is for the engine to not overheat, and in this aspect the sr16 water pump does its job. I driven with them for awhile, including LA's notorious stop and go traffic, and several 30 minutes tuning sessions on the freeway where I pull the motor to 8500rpm in second and third gear. The engine never once over heated or has the temperature needle moved out of normal range. Again, this is all street driving. I don't really know how they would perform under racing conditions.
The stock DE pump caviates and stops flowing at 6500 rpm. A stock SR absolutly sucks for overheating on the track. Hopefuly the VE pump will work better and i'll test the B15 pump if the VE pump doesnt cut it.
O.K i have a few questions.... What if i was to shave down the impellors on my gtir pump to be something like a sr16ve pump (maybe not quite as shaved down as the 16ve pump). would this achieve the same/similar result? Since i cant use anything but a gtir pump in my gtir.
From the pictures in the thread above is that the only difference? Or is there more spacing between the back of the impellor and the pump housing or something??
The only problem i can think of from shaving them down is they arent rust prof anymore.....
Also is the sr16ve N1 waterpump different again? And does anyone have picture of the 20v waterpump??
Last edited by austingtir : 05-27-2007 at 12:06 AM.
According to FAST, the DE, 20VE and 20V all take the same water pump part number,
DE started at 53J01, and has been superceded to 53J04, may be higher now, but my FAST only goes to 2002. The 16VE and 16VE-N1 have a different part number. The original DE water pump number has the flat blades, the later part numbers have the curved blades.
The SR16VE pump has less flow at low rpm, to allow it to spin faster at higher rpm. At low rpm, the water pump is hardly spinning which can allow a few hot spots to occur in the head. The temp gauge does not move, as the average temp is still consistent as water is flowing.
At high rpm, it has less resistance and still manages adequate water flow. Essentially, the reduced hi rpm resistance and lack of cavitation makes the SR16 water pump like a lightened flywheel, less load on the engine
As long as the ECU is tuned to work with the midly varying temp range, the Sr16 water pump is an advantage.
Last edited by iamhappy46 : 05-28-2007 at 01:58 AM.
My water pump pulley rocks on these motors. The only time my car will get above 175 is when idling. I'd be interested to hear what Mike finds out on his experiment.
BTW, I do stock the SR16 water pumps.
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My water pump pulley rocks on these motors. The only time my car will get above 175 is when idling. I'd be interested to hear what Mike finds out on his experiment.
BTW, I do stock the SR16 water pumps.
Agreed. I have a difficult time getting my VE above 170*. This is with a large aftermarket radiator, just FYI.
Once the temp goes above 180-190*, if you even move the car 2mph it will cool down very quickly.
No full-on track sessions to compare with, unfortunately. All stop-and-go street driving in 85-90* temps with high humidity (WV in summer).
