ST185 (swapped st205) How much boost it takes?

Q&A regarding engines, turbos, and intercoolers and power upgrades

Re: ST185 (swapped st205) How much boost it takes?

Postby Pipedreams » Thu Aug 14, 2014 4:49 pm

Yes, proper wiring makes a big difference. But on a st185 I used to have it wasn't enough to keep up with the demand of a ct20.
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Re: ST185 (swapped st205) How much boost it takes?

Postby lordvampire » Thu Aug 14, 2014 5:15 pm

how much boost it kept up ? : )
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Re: ST185 (swapped st205) How much boost it takes?

Postby Pipedreams » Thu Aug 14, 2014 7:59 pm

I can't remember, it's ~7years ago :-) But I don't think I turned the boost until I had a new pump so it was less than 1bar but the pressure dropped at least 0,5bar in high revs so it was barely enough for 0,5bar of boost.
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Re: ST185 (swapped st205) How much boost it takes?

Postby lordvampire » Fri Aug 15, 2014 5:16 am

I didnt know its so bad! I quess I turn the boost little down and order new fuel pump. : ) I want to keep the engine to wintertime also : )
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Re: ST185 (swapped st205) How much boost it takes?

Postby underscore » Fri Aug 15, 2014 5:39 am

0.5 BAR of boost? isn't that at/below stock?
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Re: ST185 (swapped st205) How much boost it takes?

Postby Pipedreams » Fri Aug 15, 2014 7:27 am

Yes it is. You just can´t expect a 20year old pump to be adequate for even a stock engine. But on the other hand I don´t remember if this was before or after I put in 550cc injectors and ran e85 which would increase the demand a hole lot.
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