Hello, What motor do you have in your car? I have had both T25 and T28 turbos on a ca18det. The T25 handles about 15 psi, but gives low lag. The T28 has a bit more lag (not much though),but can handle a bit more pressure. I would consider the T28 if it is in good condition. If your not planing on major hp gains.
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S13 CA18DET
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