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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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01-21-2010, 04:04 PM | #61 |
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is this a street car? why no AC and PS....?
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01-21-2010, 07:24 PM | #62 |
Zilvia FREAK!
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better question.....why not build the bottom end and have peace of mind?
nissan won't send you a trophy when you make 400hp on stock pistons, i promise. i'll repeat myself, you can have a perfect tune, but the laws of physics still apply. if you push the limits, you'll eventually find them....and then it's time to rebuild. your ONE example you cited ,just as i said in my first post, "so and so has been making 948,028,203 horsepower for 3 years on the stock bottom end." just told you he's had forged pistons in there.... i don't understand what you're trying to prove. i made 400+ hp on many stock bottom ends, big deal, they don't last. and nissan didn't come to my house with a plaque saying "Dave congratulations on making 400hp on the stock bottom end." sure you can ask a million nissan owners and i'm sure you'll find a few who've made your hp goals on stock bottom ends. and you may even find one or two that are so much better than everyone else because theirs lasted...but they're the exception, not the rule. ....... i guess you have money to waste. your friends that are pumping you up to push your shit to the limits aren't gonna help you pay for your rebuild when your motor grenades. the Jesus of all nissans on forum xyz who's made 2 trillion horsepower on the stock bottom end for 5 years without a problem isn't gonna help you pay for your rebuild when your motor grenades. no one in this thread is gonna help you pay for your rebuild when your motor grenades. tough love sir, but i guess i'm one of the few who give a shit and would like to see you actually enjoy it for more than a couple months... "experience by far is the best teacher.......but a fool will learn no other way." Dave
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RB25 280z GT30/76R 441hp/381tq 11.9@125 Last edited by Z U L8R; 01-22-2010 at 08:09 PM.. |
01-21-2010, 10:14 PM | #63 |
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Very true...to me, making some sort of 'magic forum number' is not worth grenading the bottom end, as ultimatly, who are you going to impress.
...At least a set of forged pistons....
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01-22-2010, 12:48 AM | #64 |
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thats why i built my bottom and top end with all new components and take measurements over and over so later down the road i can still open my hood and see my precious 400whp+ motor still purr'n. Z U L8R has a VERY GOOD point. at least build the bottom or throw some forged pistons in there so u can enjoy your motor and car longer than 3, 4, 5 or 10 years (overkill).
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01-22-2010, 01:16 AM | #65 |
Zilvia Junkie
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First off I hope you reach your goal but you have some wise people on here telling you to build the bottom end. Zul8r,codyface,midnight all are on the right page. You have a guy who acheived x amount of power on a stock bottom end and is telling you to build yours and not worry. Do it right the first time, build the bottom overkill status and enjoy your car!!!! Try and make the most amount of power on low boost and a safe tune. Not crank the hell out of it on a pissy ass turbo and stock bottom end to acheive numbers you can with a slightly bigger turbo or a built bottom end. I'm not thread bashing you man just giving you some words of advice but two each its own.
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01-22-2010, 08:05 PM | #67 |
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he's still making $2k a month and not having to pay any bills or for food. my little brother's in the navy in san diego right now....he's an e5 but BAH alone pays for his living expenses with a couple hundred left over, then his pay check every 2 weeks. seriously, i'm really a helpful guy on here not a deuschebag. you can go through all my posts if you want. i'd just like to see all this time, money, and energy not go to waste. best of luck, but hopefully more common-sense than luck Dave
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RB25 280z GT30/76R 441hp/381tq 11.9@125 |
01-23-2010, 07:44 AM | #68 | |
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Quote:
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01-23-2010, 10:17 AM | #70 |
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congrats
my little brother and all his friend's are getting married n shit...i've been with my chick 6 years....i feel the pressure trust me lol. i'm co-owning a full service repair shop here in GA and making arrangements with my partner to be full owner by Feb 1 of next year so things are looking up for me. if i don't buy a house i'll be finishing up my ka-t 510 and boosted ls1 240z very soon i know i was being a little harsh with ya curtis but it's cause i care and wanna see this thing meet your expectations is all. gl, Dave
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RB25 280z GT30/76R 441hp/381tq 11.9@125 |
01-23-2010, 12:29 PM | #71 |
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I could help you get AC back on there car, PM me
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02-12-2010, 07:33 PM | #74 |
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no updates yet but dont worry i havent forgot about you guys, Im still waaiting on my friend to mount the turbo and tranny hes been slacking, hopefully updates soon.
Last edited by S13 curtis; 02-26-2010 at 12:48 AM.. |
02-13-2010, 08:49 AM | #75 | |
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Quote:
just my experience.
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02-13-2010, 12:57 PM | #76 | |
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Belive me if I was back home the dyno chart wouldve been up already im pretty handy with motors. All the parts to get the car running are already there except that Aeromotive FPR that i got Scammed out of by Darkist240 paid $125 for him to take off with my money and recieve nothing. |
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02-13-2010, 05:49 PM | #77 |
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werd. 850cc at stock base pressure is 100% duty cycle at 420whp or so on E85 with my setup, but i run it richer than most would, makes more torque. FTR, i was running 6.7:1 a/f and it made MORE power than 7.5:1
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02-14-2010, 07:13 AM | #79 |
on the matter of i/c pipe size, shouldn't the hot side be larger than the cold side? Boyle's law etc? Btw isn't that turbo the same Nissan uses on an Xtrail SR20VET stock for 280+ HP low boost?
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02-25-2010, 11:56 PM | #80 |
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good luck with this build. And I support the above posts pushing forged pistons. Spend now, save later. Isn't that how most things in life work, especially with mechanical parts and electronics?
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02-26-2010, 12:47 AM | #81 |
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only update i have as of now are the TOMEI Procams and RAS were installed ill try and post pics as soon as possiable tranny and clutch are supposed to be finished this week. As far as forged pistons go im in the works of picking up a 2.2L motorset 90mm pistons and the other nic nacks.
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03-01-2010, 11:18 AM | #82 |
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nice a 2.2 liter. now my only question is why not use the gt3071 chra in stead of the gt2781. you would get the bigger a/r to flow more.
i never realized it was the gt2871 tell i read though this. and yes a built bottem end is nice. my last 400 hp lasted 1000 miles
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03-06-2010, 08:46 PM | #83 | |
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Quote:
What happened? Did an injector fail? Fuel pump fail?
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03-07-2010, 04:03 AM | #84 | |
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Sorry guys about the long wait,i ordered an eletric cut out today from jegs.com 32 bucks for the cut out 149.99 for the eletronic valve, it should also pick up a couple more whp on the top end im hopeing to do a dyno with the valve closed and one with it open after the tuning. my tranny still isnt in but im told it should be installed within the next 4 days. he is a video of a stock sr20 with the eletronic cutout: YouTube - 240sx sr20det w/ qtp electronic 3in exhaust cutout valve YouTube - 89 240sx w/ sr20det and electronic exhaust cutout valve mines shound beat the ground with the cams i have. |
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03-07-2010, 08:13 AM | #85 |
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So what is the latest status? Are you still using the tubular? Or are you using the Stock manifold?
About the back pressure, are you suggesting this is mostly due to the small turbine housing? Do you think that the stock manifold with T2 flange but with the special EWG-44 0.72 A/R turbine housing will relieve that backpressure issue?
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03-08-2010, 04:45 AM | #86 | |
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03-08-2010, 07:49 AM | #87 |
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MAF elimination doesn't count as work, it takes 2 seconds.
Getting the AEM going may take some time....who is tuning it?
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03-09-2010, 02:15 AM | #90 |
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thank the s-chassis gods that u r doin something to ur bottem end.. i agree totlally w/ Z U l8r... i want to see u have fun with ur car as long as possible.. gl with build
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