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Old 04-05-2009, 11:49   #11 (permalink)
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Re: 351 windsor heads on a 302 block

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Originally Posted by jtjohn03 View Post
hey do you all know if i put 351w heads on my 302 what headers i would need 302 or 351
you'd need headers for the 302. They're designed to be in the right location for a 302, a 351 head would be higher & out a little from where it would be on a 302.
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Old 04-11-2009, 16:43   #12 (permalink)
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Re: 351 windsor heads on a 302 block

i would say you would need 302 headers because the difference in deck height is what gives you a different angle on the exhaust side of the head.
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Old 08-14-2009, 14:18   #13 (permalink)
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Re: 351 windsor heads on a 302 block

I would suggest a set of 1969 or 1970 Ford 351 Windsor heads, they had bigger valves and runners, but 60cc chambers, i built up a 1988 mercury 302 non HO and the chambers where 63cc, i got best of both worlds, higher compression and more breathing power. if your going to build that 302 you should build it with 351w heads after they have been ported they do way more good than the clev. heads because they have 67cc chambers and you would loose compression and the only real extreme power gains you can get are from HIGH COMPRESSION. also run with Roller cam not hydraulic hydraulic cams will wear out and will tend to run very bad at high rpms. After my rebuild i went from 150 HP and 220 Ft lbs. to 425 HP and 505 Fl lbs. and in my little foxbody im running 9's im whipping big blocks and it blows there minds because im not even using a stroker. (its all in the gearing LOL)
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Old 08-14-2009, 15:09   #14 (permalink)
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Re: 351 windsor heads on a 302 block

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i would say you would need 302 headers because the difference in deck height is what gives you a different angle on the exhaust side of the head.
Your right, for some reason I was thinking 351 replacing 302.
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