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running sohc water pump
Posted: Fri May 21, 2010 4:18 pm
by siggy_gsr
Hey guys, just wondering if i can use a RWD SOHC water pump like a lot of you guys have done if i keep the standard alternator position (VR4). Would rather make up some custom piping rather that relocate the alternator. Just wondering if it would foul on the alternator and if anyone else has gone this route.
Cheers
Alex
Posted: Fri May 21, 2010 4:25 pm
by S0LJAH
im running the sohc water pump and vr4 alt, no issues
Posted: Fri May 21, 2010 4:37 pm
by OLD FART
S0LJAH wrote:im running the sohc water pump and vr4 alt, no issues
Me too BUT !!! you will need to do a little grinding on the staz wp for clearence
Posted: Fri May 21, 2010 5:24 pm
by siggy_gsr
Sweet, I'll grab a starion pump, any chance of a pic?
Posted: Fri May 21, 2010 7:08 pm
by OLD FART
siggy_gsr wrote:Sweet, I'll grab a starion pump, any chance of a pic?
Sorry it's on the car but you only have to grind off some of the raised ribs .Once you start to do the install it will quickly become clear exactly what you have to do
Posted: Sat May 22, 2010 12:17 am
by WANTSOM
You might have to move (press) the pump pulley in a bit further on the shaft to get the alignment right with the crank pulley if you are using the VR4 crank pulley/harmonic balancer (4 rib design). Its a bit trial and error.
Note also, use a wp pulley off a Nissan Pintara. They are the right ribbing and I found it aligned perfectly with the CP. Its slightly smaller in overall diameter and I just needed to redrill the 4 holes for attaching to the WP shaft flange.
Posted: Sat May 22, 2010 10:07 am
by siggy_gsr
Okay cool thanks, just another question where are you guys getting your water feed for the turbo? Was gonna just drill and tap the casting on the water pump...
Posted: Sat May 22, 2010 3:57 pm
by S0LJAH
WANTSOM wrote:You might have to move (press) the pump pulley in a bit further on the shaft to get the alignment right with the crank pulley if you are using the VR4 crank pulley/harmonic balancer (4 rib design). Its a bit trial and error.
i found the easiest way was to pull the whole pulley flange off the shaft then flip it over and press it back on as it allows for it to sit further back
Posted: Sun May 23, 2010 12:01 pm
by WANTSOM
^^^^^ Never thought of that, good idea. :D
This is why the Twin Cam section is so worthwhile. Lots of people inputting to make life easier. :beer