WebJun 22, 2007 · Jun 22, 2007. #2. E5 is 1985 casting and E7 is 1987 casting. Don't know if there's much of a difference between the two, but the E7's could have been improved over the E5's a bit after Ford botched the E6 fast burn heads. I'm not sure if after 86 they went back to the original casting or made improvements to them, but they shouldn't be much ... WebDec 19, 2024 · Fox Body Mustang Cylinder Heads. Trick Flow Cylinder Head Twisted Wedge 11R 190cc Intake 2.055/1.60 Valves Dual Springs 56cc Chambers Street Port 289/302/351W. $1,364.99. SEE DETAILS. AFR Cylinder Head Aluminum 220cc Intake 7/16" Stud 72cc Chambers Without EGR Pair 289/302/351W. $2,788.42.
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WebApr 14, 2004 · Ranchero5.0. D8 heads were cast in the millions and used in everything, including 351w's in the early '80's and are worthless for performance. You got ripped my friend. Tiny ports, big chambers, not even a good emmisions head, and that's what they were designed as. WebJun 23, 2009 · 31,118 Posts. #2 · Jun 22, 2009. The D8OE head has larger chambers, which will reduce your compression ratio. They're 351 heads, but in 1978 the chambers grew in size to 69cc and the valves got smaller. They went from 1.84/1.54 down to 1.78/1.45. These were meant to reduce emissions and improve low end torque. every ufc fighter of the year
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WebGet the best deals on Cylinder Heads & Parts for E7 when you shop the largest online selection at eBay.com. Free shipping on many items Browse your favorite brands … WebApr 27, 2011 · 87-93 Head Specs Combustion Chamber - 62 Intake - 1.78 Exhaust - 1.46 97-98 GT-40P Explorer Head Specs Combustion Chamber - 58-60 cc Intake - 1.84 Exhaust - 1.46 In my opinion if you are after stock heads the ones to get would be the high compression 63-67 289 ones, LOL (not listed above) and no these are not even the Hi … WebFeb 8, 2024 · Trucks are an exception. The e7's also started out in the ford trucks and were used on almost every truck 302-351 from 87 up. They were also used in 91-93 tbirds/cougar along with a less agressive h.o. cam later used in the 93 up cobra. every ugc creator