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Old 04-02-2007, 10:34 PM   #1
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i am new sorry for all the questions this is my first ford. can i put 351m heads on my 95 302 thanks for everyone help
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Old 04-03-2007, 07:03 AM   #2
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Re: question

Even if you could, I would so highly recommend against doing it that it is not even funny. The 351Ms were junk. Your stock E7's are probably much better heads.

If you are looking for something cheap, look from some GT40 iron heads. You should be able to find a set for $400 or less. If you want the best, look at a set of aluminum AFR 165's (about $1275).
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Old 04-03-2007, 08:23 AM   #3
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Re: question

yea many grab some GT40 heads as they are cheap and improve perfrmance. While you are at it you had best upgrade the cam.
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Old 04-03-2007, 08:30 AM   #4
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Re: question

i am changing the cam ford racing has a 224/224 dur 480/480 life 107 lobe center should be a good cam for the street and have a good sound with a tight lobe center. i think i am going to port my 289 heads and put them on the 302 for the added compression ( 54 cc ) anyone know the the combustion chamber cc one a 95 head i dont need to be at 13 to 1s but a good port job on my 289 heads should be enough
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Old 04-03-2007, 05:33 PM   #5
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Re: question

If you want to port the heads, why not port the heads from the '95?
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Old 04-03-2007, 06:37 PM   #6
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Re: question

smaller combustion chambers means more compression 289 heads are 54 cc the 95 heads i was told are 68cc if i am wrong let me know as i said this is my first ford i am a chevy man i need all the help i can get
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Old 04-03-2007, 06:41 PM   #7
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Re: question

It might mean more compression, but it will also probably mean less power. The E7s that came on the 87-95 5.0Ls are actually decent heads, especially compared to some of the older heads. You'll be much better off porting them. There is more to a head than combustion chamber size.

If you really want a higher compression ratio, think about swapping the pistons instead.

I'd still highly recommend looking around for a set of used GT40 heads though.
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Old 04-04-2007, 08:58 AM   #8
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Re: question

Windsor block with a Cleveland style head or Clevor some people call them. Essentially what you would have is a Boss 302 configuration. The Modified head will bolt up but you would need a different style intake and increase the bolt size on the block as the mods use a larger head bolt. From the heads I've flown over the years, there are not many stock Windsor heads that will outflow even a 2v cleveland/modified head. The expense of buying complimentary equipment to make this set up work would cost you at least twice what it would be to stick with what you got. Headers to fit this combo in your chassis, not cheap. Decent intake would be between five and seven unless you could find a used one? I have done this combo a few times, i'm sure i have technical info about interchangable parts around here some where?

Like bbunt302 said, too much compression may hurt you as available fuel octane rating may not hold up to the new compression, detonation is not your friend. With higher compression come the necessity for better fuels. 90 octane around here is at three bucks a gallon, racing fuels at five six?
If you want the primo GT head i like the GT40P's I've got a set on my exploder, nice but they can still use a little cleaning up in the valve bowls and a gasket match.
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Old 04-04-2007, 09:03 AM   #9
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Re: question

how much do you want for the head if they are for sale let me know
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Old 04-04-2007, 09:05 AM   #10
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Re: question

My heads are on my daily driver, if you were refering to me?
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Old 04-04-2007, 09:10 AM   #11
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sorry man i thought they might be 4 sale if anyone has a set of gt 40 heads let me know soon i am sending the block to the machine shop thursday to get bored, line honed, rods resized, new pistons, crank polished, i need a set of heads soon did the explorer came with these heads or did you put them on can i go to a junk yard and find some ?????????
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Old 04-04-2007, 09:18 AM   #12
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If you want the GT40P's they have to be 98 or newer. The P's came on my explorer and i have worked on a few sets. Are you haveing the assemply balanced? Up till a few years ago you could still buy new GT heads from ford. They even sold bare heads, but i don't know it this still hold true.
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Old 04-04-2007, 09:26 AM   #13
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ya i a am having it balanced i bought this 66 mustang to drive every day i am trying to get 10 to 1 i still can run 93 octane with detonation plus with polished combustion chambers e should be ok
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