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You can fit a 3.8 or 3.8 supercharged into it. If you feel like more of a challenge then go with a small Cadillac V8 like a 4.5 will fit in but very tight. Put a quiet exhaust and people want know what hit them. My car is a 3.1 Modified right now i say confidently she puts out about 330-340Hp and going to put a supercharger on her really soon.

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14y ago
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Q: Can a 3.1 or 3.8 replace your 3.4 in a Z34?
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