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deniz86
PostPosted: Wed Apr 04, 2007 10:00 am 
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T28 Hybrid

Joined: Sat Nov 25, 2006 6:40 pm
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Location: Parramatta
Car: 180 Type X
Hi, just need peoples advice on a safe boost setting.

my car: 180sx SR20. type X.

mods: T-back zuast, front mount cooler, air filer, BOV..

i just bought a dual stage boost controller.. i want to run 10psi daily.

and 14psi when i want to race etc, whats the max boost my turbo can take without blowing on me?

my engine is perfect cond, its still new. 40,000 on the clock and always serviced well. :roll:
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ZEi250t
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PostPosted: Wed Apr 04, 2007 10:06 am 
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id be more worried about the damage to the engine from detonation from turning up the boost

get it on a dyno, turn it up as far as you SAFELY can. they will be able to hear it ping WAY before you can inside the car.

do it properly, the last thing you want is to have to do a rebuild

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deniz86
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PostPosted: Wed Apr 04, 2007 5:35 pm 
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Car: 180 Type X
can anyone else comment?
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BT
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PostPosted: Wed Apr 04, 2007 5:42 pm 
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Well i can re-iterate what Zei said. Take it to a dyno and get it turned up safely. That way you'll get your max setting without risking any damage to the engine.

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deniz86
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PostPosted: Wed Apr 04, 2007 7:13 pm 
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T28 Hybrid

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Car: 180 Type X
BT wrote:
Well i can re-iterate what Zei said. Take it to a dyno and get it turned up safely. That way you'll get your max setting without risking any damage to the engine.


wat makes an engine ping
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ZEi250t
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PostPosted: Wed Apr 04, 2007 7:14 pm 
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too much boost - ROFL

lack of fuel or a too lean mixture. badly tuned ecu. timing too far advanced

shit fuel will to it too

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deniz86
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PostPosted: Wed Apr 04, 2007 7:57 pm 
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Car: 180 Type X
ZEi20T wrote:
too much boost - ROFL

lack of fuel or a too lean mixture. badly tuned ecu. timing too far advanced

shit fuel will to it too


are you serious?.. so would you say 12psi would be a good mark.
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ZEi250t
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PostPosted: Wed Apr 04, 2007 7:59 pm 
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i rekon 12-14psi is a good mark for your mods.

just pay to chuck it on the dyno and have it tested properly. whoknows your car might be weird and it will take 15psi!

have it done properly, DONT make any guesses because that guess might cost you several thousand in engine repairs

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deniz86
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PostPosted: Wed Apr 04, 2007 8:29 pm 
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Car: 180 Type X
ZEi20T wrote:
i rekon 12-14psi is a good mark for your mods.

just pay to chuck it on the dyno and have it tested properly. whoknows your car might be weird and it will take 15psi!

have it done properly, DONT make any guesses because that guess might cost you several thousand in engine repairs


can they tune the stock ecu, to run 14psi or watever without me having to buy a ECU.
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ZEi250t
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PostPosted: Wed Apr 04, 2007 8:32 pm 
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not unless you mod it with a daughterboard. then it will basically be a fully programmed ECU - mostly :P

but if its unmodded, all they will do is turn the boost up as far as possible without damaging the engine.

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JayS14
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PostPosted: Wed Apr 04, 2007 9:07 pm 
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Just take it to a fkn dyno. but your not going to listen to that so just wind all the boost it can give you and have fun for 10 mins :D

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ZEi250t
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PostPosted: Wed Apr 04, 2007 9:13 pm 
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20-25psi should get you 6-10 mins i rekon :P

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Monster
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PostPosted: Wed Apr 04, 2007 9:32 pm 
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Take it to the dyno!!!

To 'safely' run at 14psi, I believe (not have too, but just more saftey shit) that you should atleast get S15 injectors, GTR pump and if you really wanna go cheap-ass... a SAFC or a chipped board.

Let me put it this way, its either a $150 dyno run or a $2000+ rebuild

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182Go
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PostPosted: Sun Apr 08, 2007 7:10 pm 
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My std injectors were runing 100% duty cycle at 14-15psi so you are definately starting to ask a lot from a stock engine. And just in case you missed it, do what Zei said and put it on a dyno.

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Arkhaeon
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PostPosted: Mon Apr 09, 2007 12:13 am 
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my injectors were maxxed at 13psi. Love the freak SR :D
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