Jimze Supercharged 1nz-fe Build - Toyota Yaris Forums

rob323 · 03-11-2013, 07:20 PM

Can you actually get a smaller pulley to be able to increase the boost or is it something that will have to be machined up?
I see no real downside in dropping the compression slightly, but you won't be running as much boost with the std pulley on a 1NZ motor. Any headwork and cams will also drop the dynamic compression.
My plans involve swapping the rods for stronger ones but retaining the stock pistons so that no machining/ honing needs to be done. That in conjunction with cams and high octane fuel should easily keep detonation at bay.

Is the Link ecu connected to the factory knock sensor?

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03-11-2013, 07:20 PM	#5
rob323 Don't drive it, RALLY it! Drives: 1999 echo PRC rally car Join Date: Oct 2008 Location: Joyner, Brisbane Posts: 321	Can you actually get a smaller pulley to be able to increase the boost or is it something that will have to be machined up? I see no real downside in dropping the compression slightly, but you won't be running as much boost with the std pulley on a 1NZ motor. Any headwork and cams will also drop the dynamic compression. My plans involve swapping the rods for stronger ones but retaining the stock pistons so that no machining/ honing needs to be done. That in conjunction with cams and high octane fuel should easily keep detonation at bay. Is the Link ecu connected to the factory knock sensor?