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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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04-08-2008, 06:27 PM | #1 |
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How to tell if I have a S14 SR block?
Well Im in the final stages of getting everything ready to put my redtop in. After some confusion I found out that my motor uses the S14 oil filters. Now I know the oil housing unit could have been swapped out, but is there a way to make sure?
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04-08-2008, 07:23 PM | #3 |
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If the oil housing was replaced there is a chance that they replaced the water pump too
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04-08-2008, 08:29 PM | #4 |
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Bingo ^ Oil Pumps different too but water pumps easier to tell apart
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04-08-2008, 09:02 PM | #6 |
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後輪駆動車1番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit |
04-08-2008, 09:09 PM | #7 |
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dont look at the water pump. thats something that is commonly swapped over (alot of s13 sr guys will use an s14 sr water pump. no mods needed.)
take off the lower oil pan (the black part of it.) Check what oil pickup you have. Unless the engine has a full on build...99% of guys dont replace the pickup with the "better" s14 oil pickup. S14 SR oil pickup. The S13 SR one doesn't have such a large opening on the bottom of it.
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04-08-2008, 09:24 PM | #8 | |
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Quote:
But why would ppl swapp an S14 water pump on an S13 SR? there is no advantage. Identifing the water pump is more than enough to find out.
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後輪駆動車1番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit |
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04-08-2008, 09:34 PM | #9 |
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Kinda off topic but can you install a s14 sr head on a s13? (Im guessing you can since you can have a S14 block on a redtop) If so what advantages would it have over the s13 one?
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04-08-2008, 09:46 PM | #10 | |
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Quote:
order a water pump for an s13 sr off enjuku... they'll send you an s14 sr water pump.
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04-08-2008, 10:04 PM | #11 |
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Really? I could have sworn that the extra bolt hole on the S14 water pump got in the way, and the housing was longer or somthing, cuz one of my friends tried one on his 13 SR and it didnt line up.
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後輪駆動車1番 1989 Built SR GT2871R -363whp 1998 S14 W/RB25- 250ish (For Now) 1986 SR86 - 200ish 1990 R32 GTR - 320hp Don't Buy Engines from JDM-Online http://zilvia.net/f/businesses/207457-jdm-online.html Don't Buy XS-Power or SSAC Shit |
04-09-2008, 01:14 AM | #12 | |
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04-09-2008, 04:26 PM | #13 |
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Yeah there is a rumor that it's better than the S13 pump. I've never seen any hard data confirming it though. The water pump is the most reliable way outside of you maybe having the VIN plate and access to FAST?
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04-09-2008, 04:56 PM | #14 |
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From what I've read in the past, the S13 SR water pump has a cavitation issue at higher RPM, and the S14 SR water pump is the fix for this problem.
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04-09-2008, 05:16 PM | #15 |
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Yeah that was it. I couldn't remember exactly how they stacked up. I'd like to see some first hand experience on it before I go buy an S14 pump specifically to address that though. I'm cheap like that
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04-09-2008, 06:18 PM | #16 |
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the hose from the valve cover (turbo side) that goes to the side near the back of the engine.
Is straight on a s13 sr on a s14 sr its L shaped. Sorry best way I could describe it haha. |
04-09-2008, 06:22 PM | #17 | |
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If i remember correctly the s14 block has what looks like a heat sink on it and the s13 one doesn't, it should be right under the valve cover, it will look like a few lines going up and down, on the upper lefthand side of the block.
Dont quote me on that one but i think that is one of the distinguishing factors
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04-09-2008, 06:35 PM | #18 | |||
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Quote:
Quote:
Quote:
OP: post a (good) picture of your swap.
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04-09-2008, 07:19 PM | #21 | |
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Quote:
To-mah-to The water pump is easier IMO and it's not likely that someone swapped out the pump, and if they did it's fairly simple to see. Removing the pan and looking at the pickup is way more work IMO. To each their own though.
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