2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

How much boost are you guys running on stock turbo?

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Old May 12, 2003 | 06:35 PM
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From: Tejas
How much boost are you guys running on stock turbo?

How much boost are you stock turbo guys running?

I'm running 10...it's pretty quick with 10, but i want to know how much yall are running, and how it feels. thanks
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Old May 12, 2003 | 06:36 PM
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10 as well, as are most others. Anything over is getting dangerous
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Old May 12, 2003 | 06:45 PM
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10#
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Old May 12, 2003 | 06:47 PM
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Im running 10-11 PSI on my 88 T-II.
I personally dont recommend running more than 11 PSI,
on the stock turbo, as it wasent designed for that kind of boost. Dont get me wrong im not saying you cant run high boost, because I know people who are doing it as we speak. But there turbo only lasts for a litlle while, and then the oil seals give out. Then its time for a rebuild. So dont go over 11 PSI. And also if you do go to 10-11 PSI make sure you have the fuel.
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Old May 12, 2003 | 07:52 PM
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10
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Old May 12, 2003 | 08:05 PM
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10#
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Old May 12, 2003 | 08:20 PM
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From: houston, tx
15 psi all day long baby!
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Old May 12, 2003 | 09:34 PM
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Yah. Wheeee..... Look at meeee.... I run 10psi also.
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Old May 13, 2003 | 07:30 PM
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i ran 18 an waited for mine to go, it ran great for over a year for me, everyone says not to do it an it does and WILL cause damage but i wanted to up grade and once it went i had my excuse to do it, so it will handle more, but if you want it to last dont run more then 10-12psi

P.S. mine also only had 50k on it when i started, so most arnt in as good a shape as mine was
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Old May 13, 2003 | 10:21 PM
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if you run 10 pounds do you only need a fule pump up grade or do you need a safc also?
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Old May 14, 2003 | 12:31 AM
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16 pounds ...
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Old May 14, 2003 | 01:01 AM
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ill add to it.....10psi
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Old May 14, 2003 | 01:02 AM
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2-3PSI

I think I might have a boost leak somewhere.........
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Old May 14, 2003 | 01:08 AM
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From: Lost
Originally posted by Terrh
2-3PSI

I think I might have a boost leak somewhere.........
LOL!

0 PSI here.

Breaking in the engine and I don't rev fast enough to spool.
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Old May 14, 2003 | 01:45 AM
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8-10 psi....... I'll go to 15 once I do my turbo swap.
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Old May 14, 2003 | 02:57 AM
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0..... mine isnt running... need wiring harness!!!
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Old May 14, 2003 | 03:49 AM
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7# daily
10# for fun
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Old May 14, 2003 | 11:14 AM
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fuel cut waiting for FCD
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Old May 14, 2003 | 12:28 PM
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9.5-10 for run

i've seen someone running 22psi on a stock turbo for 2 years....
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Old May 14, 2003 | 12:32 PM
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how fast is a turbo 2 running 10-11 lbs of boost. when i ask how fast i mean 0-60..... 60-100. Cuase you figure. S4 running on stock 6.5 lbs runs 0-60 in about 6.5 sec. so what do you guys run with 10 lbs...

just curious... because my turbo car is coming soon.
the n/a will be my daily driver. and the turbo will eventually (2 years) have 400 RWhp. that' my goal at least


-Markus
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Old May 14, 2003 | 12:37 PM
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10 pounds on a TII w/ an downpipe/exhaust should be good for a 13.8 quarter mile and figure a 5.8 0-60 in my head...right guys?
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Old May 14, 2003 | 12:42 PM
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20

edit:oops sorry that said stock turbo, guess i am out of the thread just ingnore
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Old May 14, 2003 | 12:46 PM
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absolutly rediculous amount of speed.

Is it possible to even get an N/a that fast? all motor no n.o.s?

like i said my turbo car is coming in the summer. the n/a will be my daily driver/go to parts store to work on my 400 hp project.

-Markus
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Old May 14, 2003 | 12:49 PM
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10 seems to be the magic number so a question for you guys. Will I need bigger secondaries running 10 psi on stock turbo?? How close to the limits of the stock injectors will I be.

this will be my set up. 72 datsun 510, ser 4 13bt w/ser 4 turbo (ported wastegate & manifold, no twin scroll). K&N cone filter, no afm, Microtech ltx8 (getting in on this group buy), upgraded fuel pump (not sure what kind), 3 inch single exhaust, either front mounted stock tII intercooler, or front mounted spearco.

Will the stock injectors be able to handle this (maybe the microtech will help) or will I need to upgrade the secondaries?

thanks
John
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Old May 14, 2003 | 02:10 PM
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Originally posted by importboi22
7 daily
9.5-10 for run

i've seen someone running 22psi on a stock turbo for 2 years....


Sorry, I am calling BS on this one.

Jarrett
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