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B20/vtec Turbo safe?


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  • 2 weeks later...



if you want safe and reliable under boost you're going to need pistons, rods, balanced crank, and you will also need to sleeve the block.. cylinder walls on a B20 are too thin to handle boost above 10 - 15psi.. frankenstine builds arent relatively reliable to begin with and adding boost will just be an added headache without doing supporting mods to help the engine be more reliable

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If you keep it in the 180-200whp range with a good tune it will be reliable if the engine is in good shape to start with. Reliable is subjective when it comes to anything to is built, especially turbo setups.

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