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stangman96 · 02-04-2002, 08:17 PM

i heard that if i put heads from a newer mustang, like 99 and up on an older 4.6, it is good for an 80 horse increase, of course using a new intake as well and gaskets...... anyone hear about this and is it a direct bolt on without any extra parts or modifications??

02-04-2002, 08:17 PM	#1
stangman96 Ford Dealer Mechanic Join Date: Feb 2002 Location: San Antonio Teaxs Posts: 31	wondering about swapping heads i heard that if i put heads from a newer mustang, like 99 and up on an older 4.6, it is good for an 80 horse increase, of course using a new intake as well and gaskets...... anyone hear about this and is it a direct bolt on without any extra parts or modifications??