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88workcar · 11-20-2004, 07:42 AM

I would say go to the 331. I started a 342 project, sence I recieved the shortblock I have leared that a 331 will make more peak HP than the 342, and the 342 will make more torque. Any one will out do the 306, because of size. If you have plans of a big supercharger, I would say 331. BUT, you should concentriat on buiding a bottom end to stay together at well over 600hp levels.

11-20-2004, 07:42 AM	#2
88workcar Registered Member Join Date: Oct 1999 Location: Pierre Part, La. U.S.A. Posts: 1,850	Re: 306 or 331 ? I would say go to the 331. I started a 342 project, sence I recieved the shortblock I have leared that a 331 will make more peak HP than the 342, and the 342 will make more torque. Any one will out do the 306, because of size. If you have plans of a big supercharger, I would say 331. BUT, you should concentriat on buiding a bottom end to stay together at well over 600hp levels. __________________ 88workcar 1988 Mustang LX 342. 417rwhp @ 6800. 28 X 10 ET Drag, 4.30s, 10.69 @ 126.43 1.42 60ft. 11.13 @ 127.7 on BFGs 1.72 60ft Rice Hater # 42 To be old and wise, You must first be young and stupid I'm somewhere in tthe middle.