How much Boost is safe for an SR?

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How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 10:34 am

Ok i got an SR20DET with a stock t25 and was wondering what kinda boost my stock internals can handle?

Motor is stock

also just curious what kinda boost can a t28, gt2871r, or any other turbo push into a stock sr safely.
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Re: How much Boost is safe for an SR?

Post by Rad Mike on Tue Apr 28, 2009 10:40 am

didnt you already ask this?
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 10:47 am

IDK just trying to make an informative thread RAD MIKE!
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 11:17 am

I Have heard up to 15 psi should be good.

just wondering if its true?

im running 10 psi right now.

pump gas btw
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Re: How much Boost is safe for an SR?

Post by Rad Mike on Tue Apr 28, 2009 11:28 am

stock sr can handle 400hp easy.
idk about t25's or anything though
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 11:54 am

Really 400hp?
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Re: How much Boost is safe for an SR?

Post by lilskyline240 on Tue Apr 28, 2009 12:15 pm

my buddy hunter was running 20psi on his GtiR t28... that thing pulled NASTY. Sr bottom end can hold 400hp. As long as u got a good tune
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Re: How much Boost is safe for an SR?

Post by eS 13_maJiK on Tue Apr 28, 2009 12:19 pm

damm 20lbs!... I thought 17-18lbs was pushing it with boost
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Re: How much Boost is safe for an SR?

Post by ricefest on Tue Apr 28, 2009 12:41 pm

u can run like 26psi stock block.
it's all about tune.
there's a guy out in cali that built a 500+rwhp sr stock bottom end.
it's alllll in the tune.


but t25...
i ran 14psi and that worked out for a couple months.
just keep it at 10.

or u just shouldn't have painted your car blue and traded me
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 12:58 pm

ricefest wrote:or u just shouldn't have painted your car blue and traded me

lol! u can always paint it.


afro
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 1:09 pm

So stock safely is 14lbs

and sr stock internals are goot till about 400hp
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Re: How much Boost is safe for an SR?

Post by lilskyline240 on Tue Apr 28, 2009 1:09 pm

want me to get you a gtiR t28? those things are NASTY on a sr

screw the stock turbo bullshit lool
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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 1:19 pm

I gots a T2860R, find me a 2871!
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 1:27 pm

Fucking find me one ben or mmm240 sell me your!! i want a turbo uprgade thats y i was wondering how much a stock sr can handle
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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 1:29 pm

How much you willing to spend?
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 1:34 pm

Idk pm me a price u 2 ben
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Re: How much Boost is safe for an SR?

Post by LongGrain on Tue Apr 28, 2009 1:58 pm

fuck that pulsar shit, just get an S14 or S15 T28.

SR's can handle 400hp easy with a good tune. but after 14psi the stock T25 is just blowing hot air, way past efficiency.

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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 2:16 pm

LongGrain wrote:fuck that pulsar shit, just get an S14 or S15 T28.

Which is basically what I have, but not actually taken from an SR. In case you didn't see my FS/FT thread it's got about 2000 miles at 6lbs of boost on it.
Sent ya a PM, let me know what you think?
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Re: How much Boost is safe for an SR?

Post by ricefest on Tue Apr 28, 2009 2:24 pm

mmm240 wrote:I gots a T2860R, find me a 2871!

trade me a stock sr setup injetors maf ecu turbo lines for my 2871r setup and 1200 cash
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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 2:25 pm

Sorry, I'm goin CA
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Re: How much Boost is safe for an SR?

Post by LongGrain on Tue Apr 28, 2009 2:50 pm

I'm sorry to hear that.

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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 3:17 pm

And I'm sorry to hear that you are downgrading.
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Re: How much Boost is safe for an SR?

Post by 14k on Tue Apr 28, 2009 4:14 pm

SO how much boost?

lol!

im hearing 10,14, 25 so wtf?

depends on turbo and tune then huH?
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Re: How much Boost is safe for an SR?

Post by mmm240 on Tue Apr 28, 2009 4:20 pm

10 on stock t25 without any engine/tuning mods. You can boost more on that turbo, but shouldn't exceed 14 and should have some ecu tune.

From there it all depends on the size of the turbo. A T28 will flow more than a T25 at similar boost levels. With proper tuning a HEALTHY SR can handle 400hp without opening it up.
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Re: How much Boost is safe for an SR?

Post by LongGrain on Tue Apr 28, 2009 6:23 pm

mmm240 wrote:And I'm sorry to hear that you are downgrading.

think what you want but dont talk until you actually own one. theres a reason I threw a $2500 engine in the garbage. and it was definitely not because i felt like "downgrading"


14k wrote:SO how much boost?

lol!

im hearing 10,14, 25 so wtf?

depends on turbo and tune then huH?

14psi on a T25. any more and it is not efficient, period.

stock injectors, ecu and MAF can handle a T25 at 14psi no problem.

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