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Old Aug 4, 2012 | 09:56 PM
  #16  
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ya it's way better power wise and stuff
 
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Old Aug 4, 2012 | 10:04 PM
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I found some pretty cheap gt40 heads, out of an ho 302 motor, first would they bolt onto my 302 and they are e7 casting numbers, are they good?
 
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Old Aug 4, 2012 | 10:08 PM
  #18  
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yes they are good bolt right on no problem
 
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Old Aug 4, 2012 | 10:16 PM
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Okay so they're better than the heads the 84 has stock? and for 100bucks the extra horspower will be worth it?
 
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Old Aug 4, 2012 | 10:18 PM
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yes I believe so it should help a lot as the other heads a smogged real hard small valves big chambers just ewwww lol
 
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Old Aug 4, 2012 | 10:22 PM
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okay, so swapping heads is just unbolting the stock then bolt in on the gt40's? it wont hurt to not put any other upgrades on will it?
 
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Old Aug 4, 2012 | 10:28 PM
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no will be just fine
 
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Old Aug 4, 2012 | 10:30 PM
  #23  
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and its just a bolt off and back on upgrade dont have to do anything special to swap them?
 
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Old Aug 4, 2012 | 10:32 PM
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gt40p heads were about the best factory offering, short of the gt40 or gt40x, which were offered through ford racing. (cobras got them from the factory, but that's the only ones i know of).

the gt40p heads came on the 2nd gen. explorers and helped that 5.0 make 210hp and 280 ft-lbs. worlds ahead of the 1984 offerings, which for lack of a better term -- suck.

those heads, a camshaft with about 210* @ 0.05" lift and around .470" valve lift, a good dual plane intake with a 500 or 600 cfm carb, headers and a decent exhaust should put you within spitting distance of 300hp, and almost that much torque. a cam in that range should also give you a nice broad torque curve so it will be fun to drive.

without the gt40p heads, and everything else, you are still looking at a fun engine, but probably in the 230hp (maaaybe 250hp range topps). not that bad either.
 
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Old Aug 4, 2012 | 10:39 PM
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oh dang, now 300hp is what i'm talking about! could you link me to a camshaft i could buy that has those specs? yeah 300 is over twice what it has at the moment so im sure that would be plenty for my ole girl
 
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Old Aug 4, 2012 | 10:55 PM
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oh gt 40'is a vast improvement over another stock head bolt on horsepower can't beat it
 
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Old Aug 4, 2012 | 11:03 PM
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here's one by Comp.
31-409-3 - Dual Energy

i'm not saying this is *THE* cam to get
but it is the *TYPE* of cam to look at.

advertised duration in the upper 260's or low 270's. lift is the mid .470's. tighter lobe separation, vs wider to promote more midrange power vs top end HP.
 
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Old Aug 4, 2012 | 11:06 PM
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Yea and for 100 bucks i don't think i can do anything for that cheap that's gonna give me that much extra horspower
 
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Old Aug 4, 2012 | 11:08 PM
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thanks!! and yeah i have no clue what any of that is but it sounds good
 
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Old Aug 4, 2012 | 11:10 PM
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that would be very nice to bad you don't live closer IDE give u a great deal on a good roller lower end with a 303 roller cam gt 40 and a weiand dual plane intake I have all the pieces just need to assemble I probably have another set of comp cam roller rockers too lol that's just all left overs from other engines I bought and built and changed stuff for no reason lol
 
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