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| hellbent_ef |
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Just wondering how one could tell the difference between a 3.3ltr head and a 4.1ltr head. As I have found one "on the side of a road" and I am unsure of which particular head it is.
Any info, or photos would be great. Cheers.
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| 84_Fairlane |
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combustion chamber volume and design, on the intake side there should be a number stamped between #1 and #2 intake ports what is the number
also origionaly a sticker on em |
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| cjh |
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According to the genuine Ford w/shop manual, nothing, the only difference is comp ratio from XD to XE, only by the chamber volume.
The numbers being refered to are ones like HF1, HF3, HF5 and HF7. HF7 is unleaded XF.
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| fastleno |
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i have a XE hi comp crossflow head bolted on a XC bottom end, XC being a leaded engine had a smaller dish piston, cheap trick for more power.
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| 84_Fairlane |
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and the alloy head saved u a crap load of weight
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| hellbent_ef |
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yes but the question is referring to 2 alloy heads, one from a 200 and the other a 250.....i have one sittin here, but i dont know what it came off.....tryin to figure out...
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| 84_Fairlane |
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on the inlet side there should be a letter or number stamped between the #1 and #2 cyls
haveing said this tho some XE 4.1's dident have this |
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| Nathan Lodo |
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absolultly nothing but a casting number
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| harddriver |
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i know on the cast iron ones there was smaller ports not sure on alloy
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| CARNAGE |
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the different heads were to my knowledge :
alloy head 1 xd series 2 alloy head 2 leaded xe xf alloy head 2 leaded injected xe xf alloy head 2 unleaded xf update alloy head 2 unleaded injected xf update 3.3 4.1 high comp and medium comp were all about the piston dish!!!! haven't got stamps n numbers but injected generally had e1 or c1 on inlet side...
_________________ Ford man from way back |
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