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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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02-09-2007, 10:21 AM | #1 |
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[email protected] GT3071R .63
The car is finally tuned. [email protected] and [email protected] The car has more in it I think because he stopped the pull around 6800rpms because the alternator was messing up and we never did another power pull. Heres a quick mod list:
S13 SR20DET GT3071R .63 Custom Top mount manifold GReddy intake manifold GM 3 bar map sensor AEM EMS AEM Wideband Brian Crower 264s Dyno graph coming soon |
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02-09-2007, 01:56 PM | #3 |
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if you only went to 6800rpms, ofcourse you have more power. Where is the proof/detail though?
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02-09-2007, 02:21 PM | #5 |
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all good questions - first off, great numbers! 13psi is a great street boost level, and 366 on the street is fantastic for an SR! When you did cams, I'm assuming you did springs/retainers/gears? And what about the bottom end? And who tuned it? We'll definitely need that graph too =P
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02-09-2007, 02:53 PM | #6 | |
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Throw your internals in the trash and go top mount and use this turbo. It's the sht, I just get more and more proof of the pudding everyday reading awesome posts like ths. good job man. excellent selection.
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02-09-2007, 03:23 PM | #7 | ||||
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02-09-2007, 03:24 PM | #8 |
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that is very stout numbers for a 19 psi car. were u shooting 4 a certin psi and never made it or where u after a certin powerband and a got what u were looking for?
was that pump gas or 110? its a very simple setup very good numbers congrats
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02-09-2007, 03:44 PM | #9 |
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Crower's cams are bigger lift than HKS, more air per stroke...
It makes a difference. That and the numbers might be corrected (from the dyno). Either way its right on target for what I would have predicted. This is a equation for 400 hp, people should be taking notes now that their is some more evidence...once the dyno graph gets posted of course.
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02-09-2007, 04:42 PM | #10 |
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i wonder what spec crower cams he has. id assume the 262 drop in cams because the v3 272 12.5 lift require the spring/retainers when u install them.
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02-09-2007, 04:48 PM | #11 |
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yeah I hope hes running the big ones, otherwise I think the numbers are uncorrected or sometihng...that is a little on the high side, would make more sense wtih gt3076R.
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02-09-2007, 07:26 PM | #14 |
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do you think there would be much change from top mount to bottom in terms of power other than i'm using a gt3071r with a .86 arwith a 90trim turbine and t25 housing
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02-09-2007, 07:31 PM | #15 |
Leaky Injector
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Stock bottom end, cams, and the manifolds.... my goal of 400 wheel is easier to do then I thought! I am still putting together my parts list for the shop, and now the list just got way shorter for the motor build. Post your chart, I want to see how streetable it is.
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02-09-2007, 07:55 PM | #16 |
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i don't know sr's...but how long will those piston rings hold up?? a buddy of mine blew his on 330 whp, that seems like alotta boost on stock internals...i'd like to know how long he plans to keep it stock...to me it doesn't matter how much power you make on a few dyno runs.. it's how long you keep making power...my 2 cents anyway
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02-09-2007, 08:58 PM | #17 |
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im shooting in the dark hear. but id assume he has the 262 lift cams,arp studs, a 1.2mm apexi/cometic/ect/ect head gasket,ras he stated above that he has stock valve train. im going with a uncorected dyno pull. still a quick street car and depending on if he has a lsd and sticky tires could potentally put a ws6 or c5 vet down at the track. taking weight/power ration into account.
as for trading up from a gt2871. 64ar look under cody ace his recipie for 400whp. he has nothing to hide his list is out there and dyno graph. i can tell u from personal experiance and getting a few ride alongs his setup is no joke. he has made highly modded ws6 spraying play the catch up game.
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02-09-2007, 09:14 PM | #18 | |
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go top mount and external for consitancy and ease of tuning + heat.
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02-10-2007, 10:07 AM | #19 | |||||||
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02-10-2007, 12:51 PM | #23 |
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very sweet man i thought i seen your car in the image thread very clean car. best of luck in ur next steps to taking it to the next level. i would recomend a meth/water injection kit 4 safety with stock bottom end. it will reduce the intake temps and detonation properties. and im sure pick you up a few ponies as well. keep us posted
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02-10-2007, 05:00 PM | #26 | |
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Just your 2 cents anyways. In this case, 2 cents is WORTHLESS. The ability for a combustion chamber to maintain life is directly equal to The temperature is operates in, and the ammount of detonation it sees. I am guessing your friends had horrid Engine management systems. Because, those to factors, and directly equal to the air/fuel ratio (cylinder temps) and the ignition timing (detonation). If the tunner he broght it to was worth ANYTHING, which it sounds like he is, because you dont just stumble over 400whp on pump gas, im thinking he should be just fine. BTW, I am right now, waiting for your dyno graph, same turbo i will be using on my 2.2. OMG so f-ing hot.
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02-10-2007, 05:36 PM | #27 |
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Thanks for the comments. The torque was [email protected]
Im still waiting to get the dyno sheets from them, I might just have to find a scanner. Heres the engine bay shots: |
02-10-2007, 07:28 PM | #28 | |
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i'd hate to pop one... anyway congrats bro on your numbers...very sweet, i've seen your car though on 240sxforums i think |
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02-10-2007, 07:46 PM | #30 |
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I remeber this build up on fa, good job man.
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