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  #1  
Old 29-04-2006, 10:14
wimdepim wimdepim is offline
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Default need some help

hey everybody
i have a problem
i want to buy a better turbo
but down here(belgium) is a problem very expensive items
so if someone get tell me what i need to change turbo fuel exhaust ? i would like about 200-220 bhp in the car
and if one of you makes the deals and send it to me i would really be glad
i am running at the moment with a stock turbo with more boost, closed the return fuel line a bit for more fuel pressure and installed a small intercooler from a mercedes vito cdi and got about 175bhp at the moment
i hopesomeone can help me

thanks mates
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  #2  
Old 29-04-2006, 11:04
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PukkaSilvia PukkaSilvia is offline
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For 200-220bhp at the flywheel your easiest option would be to fit a t25 (standard spec on the s13). The simpest conversion includes using the same turbo gasket,the s13 downpipe and the s13 oil return line. You will need the s13 3 bolt flange that bolts onto the t25 compressor outlet aswell and then adapt it to the shape of your pipework directions with a hacksaw and maybe a aluminium welder.
Running at 15psi your should see around 220bhp aslong as you have a healthy engine with decent filter and exhaust system
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  #3  
Old 29-04-2006, 20:23
umpkin umpkin is offline
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after having my fuel pressure reg fook up and give me near full pressure 60 ish PSI) at the injectors, is blocking off the fuel return a good idea???? i found it has massive over fuel.
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  #4  
Old 29-04-2006, 21:03
wimdepim wimdepim is offline
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just got it running again it was rolling on 3 piston and had to change airflowmeter sparkplug wires 1 sparkplug and clean it i'd just replaced sparkplugs last week
and now i was bussy i installed an intercooler as well (broken last race)
i replaced airfilter(big race filter) 2 weeks age could it be that it run bad and needs adjustments?
i saw a adjustement crew on the airflowmeter and don't now what it does!!
just got an offer for a t25 of a 300zx 88-89 version
lots of work ?
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  #5  
Old 03-05-2006, 17:39
wimdepim wimdepim is offline
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ok found a turbo a t25 from a rover 220 turbo with 65tkm(40tmiles)
for 250euro (235$)
now i just need to now if i have to change exhaust (bigger or not) and fuel system (just close return fuel line or changing other parts)
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  #6  
Old 03-05-2006, 19:03
turbomike turbomike is offline
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can you not just find a s13 t25 and downpipe as pukka surgested surely thats the easiest route and then make yourself up a 2 1/2" exhaust with performance silencer if your going for 200+bhp,personally i would unblock the fuel return
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  #7  
Old 04-05-2006, 18:26
wimdepim wimdepim is offline
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down here cars with turbo's don't drive very mutch
the taxes are by kw here and the people here like to drive a lot with diesel
so it's buying whatever you find!! or new

unblock the fuel return?? does he get enough fuel on stock pressure?
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  #8  
Old 04-05-2006, 20:33
turbomike turbomike is offline
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i have 2 1/2" exhaust,powerfilter,bigger throttlebody,dumpvalve,t25 turbo and large intercooler at 14-15psi on the standard fuel pressure

Last edited by turbomike; 04-05-2006 at 20:37.
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  #9  
Old 08-05-2006, 21:55
wimdepim wimdepim is offline
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the 2 2/1" exhaust is it availleble or home made ?
with throttlebody you mean the air-intake after the turbo on topo of the engine right?this part http://www.club-s12.org/forum/showthread.php?t=13164
i still need to learn the technicale name of some parts
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  #10  
Old 08-05-2006, 22:13
turbomike turbomike is offline
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exhaust you will have to make yourself or get made,yes the picture you show is of the throttlebody which wont add much but its better than nothing,i have a z31 turbo one on mine but the ka24 one is bigger still,dont forget to port your inlet manifold where the throttlebody bolts on if you fit one otherwise its a waste of time
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