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Chat General Discussion About The Nissan 240SX and Nissan Z Cars |
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02-19-2003, 05:16 AM | #1 |
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differences between engines
I was looking at buying parts for my S14, and I was just wondering if there is a difference engine wise between the S13 engine and the S14 engine. The parts are for the engine only, and they are for a 93. I know that the hp ratings are the same, but are they the same setup? I was looking into intakes and headers.
Thanks
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02-19-2003, 07:24 AM | #3 | |
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Sorry. That's a myth. S14 manifolds don't have the butterflies, though, that's true.
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02-19-2003, 12:06 PM | #5 | |
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well that's if you are going to stay N/A... to raise the compression. |
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02-19-2003, 01:59 PM | #6 |
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Yea. All the pistons are the same. Same part numbers, too. There is one difference though, s13 models have 'hotter' cams in them. Everyone thinks it's '91 cams... but Asad from FA has them in his '93, according to his FSM.
-Jeff
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02-19-2003, 02:15 PM | #7 | ||||
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02-19-2003, 02:18 PM | #8 |
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I find that more parts are made for the S13 than S14. Could I use an S13 Turbo in my S14 as long as it's a KA24DE? I was thinking I could do that. Um, what would a set of high-lifting cams do for my ka?
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02-19-2003, 02:27 PM | #9 | |
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02-19-2003, 03:08 PM | #10 | |
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02-19-2003, 03:08 PM | #11 | |
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02-19-2003, 03:20 PM | #12 | |
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89-90 SOHC: 9:1 91-98 DOHC 9.2:1 If you wanted to go the cheap ass way, go to a junk yard, find a stanza with a ka in it, like a 91, those pistons are 9.3:1. Those might work, :shrugs: And the Altima 94 has a KA i think with 9.4:1 comp pistons, but im not sure if those would fit, i would think they would need to be custom fit :-D Last edited by Zemus; 02-19-2003 at 03:23 PM.. |
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02-19-2003, 04:06 PM | #13 | |
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02-19-2003, 04:22 PM | #14 |
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Actually, the DOHC KA in the 240 came with 9.5:1 compression pistions, while the EARLY SOHC 240 came with a slightly juiced 9.1 or 9.2:1 compression ratio, while all other SOHC KA's came with an 8.6:1 compression ratio.
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02-19-2003, 04:30 PM | #15 | |
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02-19-2003, 05:11 PM | #16 | |
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EDIT: But then I am talking SR20DET. I know nothing of the KAs. That might be different, but I can't imagine much in the way of space...as the S14 would be a bigger area to work with. Last edited by elevator; 02-19-2003 at 05:14 PM.. |
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02-19-2003, 05:14 PM | #17 | |
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If he's talking about a swap, then yea, it'll fit. Just gotta get an exhaust that is chassis based, and not engine based. -Jeff
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02-19-2003, 05:28 PM | #19 | |
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The 240sx KA compression that he stated are correct. -Jeff
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02-19-2003, 05:32 PM | #20 | |
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02-19-2003, 06:45 PM | #21 |
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http://www.socal240sx.org/
Features and Specs. Check out the 89/90 SOHC KA's and the '95 DOHC KA's. Hmmm, interesting, looking back at that site, it looks like the '91-'94 KA's were actually 8.6:1, weird. Can somebody confirm or deny this? I always thought it was 9.5:1. Tim '95 SE |
02-19-2003, 06:47 PM | #22 |
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the head on the DOHC is different then the one on the SOHC. The combustion chamber on the DOHC is smaller, so if you put the 8.6:1 comp pistons in the DOHC motor, then the compression ratio is raised to 11.1:1.
http://forums.freshalloy.com/ubbthre...b=5&o=&fpart=1
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02-19-2003, 06:48 PM | #23 | |
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02-19-2003, 06:48 PM | #24 | |
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02-19-2003, 07:01 PM | #26 | |
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Re: ka's
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02-19-2003, 07:45 PM | #27 |
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o.k o.k. here we are getting off course. The original question from the start, was:
Can you put headers and S13 engine parts (besides camshafts, and heads) on an S14 provided they have the same engine and room? Someone please help me. All I can find are headers for an S13 KA24DE. Will this work?
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02-19-2003, 07:48 PM | #28 |
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I don't have proof.. but I don't think the headers will work, because exhausts aren't interchangeable. But I'm not 100% certain I'm right. They, however, will bolt up. And you can put s13 cams into s14 motors.
-Jeff
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02-19-2003, 11:40 PM | #29 |
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Honestly, what I think it comes down to is that the internals of the engines are pretty much swapable between the two engines (S13 vs. S14). The exterior parts of the engines might be where you run into problems (due to the engine bay part locations and sizes of specific parts). The headers, probably should bolt up fine, but they might have clearance issues on the S14. The only real way to know though is to test it out and see if it will fit. The clearance issues are the same reasons why turbo systems specifically designed for either the S13 or S14 have problems when being fitted to the other chassis.
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02-20-2003, 12:00 AM | #30 | |
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