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Discussion Starter · #1 ·
Got the car running good, new turbo TA-62.(009) injectors,walbro 340,heads P&P 1.77in 1.50ex, RJC power plate, adjustable fuel pressure regulator,3200 9/11 converter, trans just rebuilt and all new sensors. Have a Testa chip 18* Timing 93 Octane. How much more power would I get from running a 100 Octane chip with maybe 24* of timing?
 

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Resident Idiot
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All things equal, probably 20-30HP. Personally I like to run low timing to leave room for mistakes... powersix
 

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Discussion Starter · #3 ·
So what your saying is run more octane and crank up the boost?
 

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Resident Idiot
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In my travels, boost has always made more power than timing comparing apples to apples.... headbang
 

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boost and timing plus the appropriate fuel will always make more timing than either alone.

A 100 octane chip won't buy you much with 24 degs of timing, but, a 110 octane chip will.

Power increase with boost does not seem to be linear. With that turbo you need to run around 24-26# of boost to get into the part of the compressor map where that turbo really works. That will probably give you a second over what you can run on 93/18 or a half second over 93.18 plus alky IF you run timing and fuel to match.



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