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i have a set of D5OE-A3B ford heads,(75-76) on my 302 right now,my 91 5L has a "blow the bottom end",and was wondering if the E7TE heads would bolt right up to my older 302 and if i would notice any difference from the two,,i know the specs on the older heads, which are 58.2cc,valves are 1.78/1.45,and have Internal air injection ports,the 302 is 30 over,with flat tops,and has a comp cam, ,edelbrock intake,holley 750 carb,just tryin to get a little more power out of it while saving for some aftermarket heads,not sure if it matters or not the 302 is a mexican block,and from what i hear has a taller deck,any information would be great,
 

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Wont gain nothing, E7TE HO heads have also 1.78/1.46 valves, and the chamber size is larger, so you might even loose some HP.

some Cheap options: 351 4b heads, GT40s, GT40Ps.
 
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