Thread: Vote 428 or aluminum 427FE??
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Old 06-22-2010, 04:09 AM
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undy undy is offline
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Medium riser and hi riser OEM heads flowed squat.. Maybe in the 250 cfm to 270 cfm range. You are NOT going to get 600 fwhp out of a 427 unless (1) the heads are HEAVILY massaged (2) you got a real big mechanical roller (3) 12-13 to 1 compression (4) big cubic inches ..... AIN'T GONNA HAPPEN.
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