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Old Apr 8, 2007 | 11:50 PM
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josh nowak
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351c heads

i heard that putting 351c heads on my 351 m would make a great differance in horse power but is it worth it.
 
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Old Apr 8, 2007 | 11:54 PM
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The bigger valves would wake up your engine noticabaly
 
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Old Apr 9, 2007 | 01:02 AM
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There are many different cleveland and aftermarket heads available. There are many different engine modifications to make. Check out some of the threads here in this forum.
 
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Old Apr 9, 2007 | 07:23 AM
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bmc69
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Originally Posted by Mrcorey5
The bigger valves would wake up your engine noticabaly
??..The 351C 2V heads (the ones that bolt up to 351m/400 without any adapters or modifications) are practically identical to the 351m/400 heads..same valves too. The only real difference that has a wee effect on performance is the lack of Themactor ports in the 351C exhaust runners.
 
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