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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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11-09-2009, 11:43 AM | #1202 |
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Just installed the .64 on my s13 blacktop motor. Coming from a smoking t28, all I have to say is WOW! Hooked up a wideband o2 to keep an eye on AFR, and it's running a solid 11.0:1, then dips into the 10 region over 6k RPM. Loving the turbo and can't wait til I get bigger injectors and a tune so I can run more than 10psi of boost!
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11-09-2009, 12:00 PM | #1203 | |
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i picked up the entire set-up from some kid locally for about 250. he had never run it nor planned to, and only aquired it through a previous trade. so idk who had the work done or how much it would be. but its been done right which i was surpised to see, and why i grabbed it
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11-25-2009, 03:26 PM | #1209 |
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Hey guys, haven't been in while. I see some discussion regading external gates, and will honestly say (as I know i have in the past in this exact thread) that an internal gate for anyone running their car seriously, is pissing in the wind. Sure it works, but not for long..even when preloading the balls out of it, that diaphram simply can't keep up.
I didn't take these pictures (friend of mine did at a meet) of my setup. I really need to take more of my external gate really. It's a nice tight fit, but not impossible...even with the OE oil seperator (needs some hammer adjustment, but it works hehe). Not the prettiest engine bay, all function. I'm going to redyno the car hopefully before I tear it apart to change my power steering setup (and to put solid subframe/diff bushings int). If not, it'll be spring. Running more base timing, and water injection. I'd love to see 420 with the timing, and maybe another pound of boost (over the 400 and 410 dynos). I'm not gonna loose any sleep over it if I don't. The car trapped 121 so that's fast enough for me, for a road race car.
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11-25-2009, 03:28 PM | #1210 |
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You'd probably be best off getting an HKS unit, as it'll cost the same.
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11-25-2009, 03:37 PM | #1211 | |
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Another guys car I just built made 390 whp...trapped 119 Only differences between mine and his were the intake manifold (he has a freddy), his tune (His is an enthalpy, which will be getting a reflash for soon...thanks Martin!) and his exhaust is a generic straight though bomb pipe. I think with the retune his car will easily see over 400 with it. I hate to sound like a salesmen, but it's certainly ironic how these S3 powered cars are making the better power....and this is with a JWT car (mine) and an Enthalpy car (my buddies). Stock springs, stock retainers, 7850 rev limits. All day, everyday.
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11-25-2009, 03:43 PM | #1212 |
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For the external, you welded it to the cast iron manifold correct? Now that is going to be pretty much a cold weld cause heating up that case iron manifold to correct welding temp is pretty hard... What do you think? Is it risky in terms of leakage or cracking due to the welding?
External definitely for the WIN! Better responses and unlikely to spike. Is that a V38 or a V44?
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11-25-2009, 04:15 PM | #1213 | |||
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It's not for an incompetant welder for sure, a professional job if you want it to last. I've had it now for 2 years on my car, and 6 or 7 track days (countless fun runs and the sort too) without any issue. I also have it recirculated into my downpipe, as I'm to picky for a dump pipe (lol)..I just used exhaust flex pipe to route it, very easy. Quote:
Quote:
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11-26-2009, 06:32 PM | #1214 | |
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That picture doesn't show clearly enough, but the actuator has to actually bend down towards the turbine housing. All the HKS ones are strait unfortunately. I have two HKS ones, one for the S13 turbo and another for the S15 turbo. |
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11-26-2009, 10:38 PM | #1215 |
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I made a custom bracket for mine to combat that issue....I went through 2 OE garrett ones, changed to a HKS, and then went with a Tial
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11-27-2009, 12:08 PM | #1216 |
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Argh!!! I want that... I was talking t BLU808 about how to do it correctly, but yeah you REALLY gotta stick that thing into a hot oven. We were doing research on how to do it the best way, but you need to get that thing up to, if I remember correctly, like 900F, and then weld it. Basically get as close to the welder temp. Either way its very hard and expensive. Liek I said, just might go with the external setup on the compressor side... which is also 300 dollars....
But I like your setup, and awesome attention to detail with dumping the pipe back into the exhaust... Environment thank yous hahah if you run a CAT lol... Plus you really reduce noise I think.... You know tial is awesome, but I want the Turkey call of HKS.... Hahaha, too bad they use a proprietary flange.....
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11-27-2009, 07:26 PM | #1217 |
Leaky Injector
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[quote=ni5mo240;2471881]Your power fc has a boost warning/limiter feature built in to it. When you try to dyno at 18-19 psi it cuts out, mine was doing the same thing until I turned the boost warn off[/quote
Last edited by blkkouki; 11-27-2009 at 07:27 PM.. Reason: delete |
11-29-2009, 12:02 AM | #1218 | |
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Quote:
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11-29-2009, 05:36 PM | #1219 |
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I would have been all over that if you had posted it before i ordered my tomei's :/
lame. update as far as mine goes, only thing im waiting on to drop it all in is my injectors(ordered a set off a member on here and am in a paypal dispute at the moment trying to get my money back becuase he fell off the face of the earth once he got my money and never sent anything so someone find me some tomei 740's!
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11-29-2009, 07:26 PM | #1220 |
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You can run my 550's for a while if you want. I wont need them for another 2 months that way you can get it all installed and running while searching for another set.
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11-30-2009, 01:21 PM | #1223 |
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Remember to check sr20forum, and sr20-forum for good deals on used S3 cams. FWD and RWD are interchangable
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11-30-2009, 04:46 PM | #1224 |
Leaky Injector
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My last car was a FWD sentra SE-R. i made 333whp and 317lbs tq at 15lbs of boost. stock engine. running a GT2871R, tial 44mm external on a custom manifold. 550cc sard, and EMS stinger standalone.
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12-02-2009, 03:45 PM | #1225 |
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this is my first post in here and im new to the 2871r Club
I wanted to see a baseline so i Just Got Back From the dyno this Was the First time Me and My car Have ever Been On a dyno i didnt no what to expect but im happy With the results This image has been resized. Click this bar to view the full image. The original image is sized 1023x704 and weights 196KB. Mod's Are Sr-20 red Top Stock Block Stock Head Stock Injectors Tuned ECU by E-Mance 2871r turbo .86 hot side Spec Flywheel & Stage 3+ clutch 1pc Steel Drive Shaft walbro 255lph fuel Pump Cs FPR Greddy Front Mount HKS SSQV IsIs Intake Manifold IsIs turbine Outlet Test Pipe Apexi N1 Duals this was at 14psi with spiking at 17psi (Need a Stiffer wastegate) but Afr Stayed Whell into the 11's and at redline was no higher than 12.2 __________________ |
12-02-2009, 08:15 PM | #1226 |
Leaky Injector
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Holy crap man.. what fuel pressure are you running to do over 300whp on 370s? I don't think your fuel pump is very happy..
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12-02-2009, 08:37 PM | #1227 | |
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My injectors Are pinned out and if my walbro cant cut it ill just buy another one there pretty cheap lol any ways ill have new injectors in soon this was just to see what it could do |
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12-02-2009, 09:27 PM | #1228 | |
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I don't think the numbers are bad, but the car could use some smoothing out in regard to to the tune (may even be due to the injectors and or MAS you're susing). If yo uget the right fuel setup and cams in there, you'll easily be over 350 whp
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12-02-2009, 09:41 PM | #1229 | |
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but Right now shes a hand Full so i still need to learn this new power ill be the first to say i need to be a better driver |
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12-02-2009, 09:47 PM | #1230 | |
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