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302/351 head question... [Archive] - StangBangerz Forums
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Stangman
03-22-2007, 11:36 PM
Hey guys, a friend of mine is puttin a 351 in his '94 and the windsor that he has, has 302 heads on it, and they are turned around backwards (thermactor plugs on the front now) and he and i are wondering if 302 heads offer higher compression over 351 heads???? if the compression is higher, he'll turn the heads back around and continue. any tips are really appreciated:bigthumb
Carl
03-23-2007, 01:28 AM
Heads are the same...only difference is that 351 heads use larger head bolts/studs.
OneBad86GT
03-23-2007, 07:42 AM
What he said /\
Stangman
03-23-2007, 09:52 AM
cool thanks guys, i'll let him know
mustang8998
03-23-2007, 05:32 PM
They have the "plugs", on both ends.
Walter
03-25-2007, 01:42 PM
No need to turn em around. they are the same.
Stangman
03-26-2007, 12:16 AM
strangley enough the bolt holes for the brackets and accessories on one end of each head are different on these heads :confused:
Walter
03-26-2007, 12:50 AM
strangley enough the bolt holes for the brackets and accessories on one end of each head are different on these heads :confused:


No they are not. There are threaded inserts in the smog passage.
mustang8998
03-26-2007, 09:30 PM
No they are not. There are threaded inserts in the smog passage.

Unless, someone has put "other than stock" plugs in there. Not likely though.