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B16a waterpump

  #1  
Old 08-17-2009, 08:11 PM
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Location: Clare, Michigan
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Default B16a waterpump

i have a 93 ej1. im replacing the head gasket. while i was in there i want to replace my waterpump. i read that somewhere you should use a b18 waterpump with 19 teeth compared to the stock 22 teeth one. with less teeth it runs a little slower therefore keeping it cooler. fluid has more time to cool before it goes back into the engine. which b18 waterpump should i get, or should i just stick with the stock, my engine is a b16a jdm so i would get a b16a2 stock waterpump right.

which is better b18? or stock?
 
  #2  
Old 08-18-2009, 08:57 PM
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or should i go with a 94 del sol waterpump or a 99 civic si? b18?
 
  #3  
Old 08-18-2009, 09:01 PM
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i'd say go with the stock so you know it will fit. goto the part store and match them up...
 
  #4  
Old 08-18-2009, 10:39 PM
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well since my b16a is jdm. the previous owner told me to buy parts for the 94 del sol or the 99 civic si. would that mean a stock waterpump is either from a 99 civic si (b16a4) or a 94 del sol (B16a2/b16a3) right? will any of these water pumps work or what im confused.

B16A2
* VTEC
Found in:
o 1992-2000 Honda Civic EDM VTi (EG6/EG9 & EK4)
-> o 1992-1997 Honda Civic Del Sol EDM VTi (EG)
-> o 1996-1997 Honda Civic Del Sol USDM "VTEC"
o 1999-2000 Honda Civic USDM Si (EM1)
o 1999-2000 Honda Civic CAN SiR (EM1)
o Displacement: 1,595 cc (97.3 cu in)
+ Bore×Stroke: 81.0×77.4 mm (3.19×3.05 in)
+ Compression: 10.2:1
+ Power: 160 bhp @ 7600 rpm & 118 ft·lbf (151 N·m) @ 7000 rpm
+ Transmission: Y21 or S4C
+ Redline...8,000 RPM
+ Rev Limit...8,450 RPM
+ VTEC Engagement...5,500 RPM

B16A3
* VTEC
* Found in:
-> o 1994-1995 Del Sol VTEC
+ Displacement 1,595 cc (97.3 cu in)
+ Power: 118 kW (160 PS; 158 bhp) @ 7,600 rpm & 118 ft·lbf (160 N·m) @ 7,500 rpm
+ Redline: 8,200 RPM
+ Transmission: Y21

B16A4
* VTEC
* Found in:
-> o 1996-2000 Civic Si-RII (JDM version) (EK4)
+ Displacement: 1,595 cc (97.3 cu in)
+ Compression: 10.4:1
+ Power: 130 kW (177 PS; 174 bhp) @ 7800 rpm & 111 ft·lbf (150 N·m) @ 7300 rpm
+ Redline: 8000 rpm
+ Transmission: Y21
 

Last edited by tcout; 08-18-2009 at 10:50 PM.
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