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so far everything I have heard sounds like these heads would be a good upgrade to my stock 5.0 heads, at a reasonable cost.
what i have so far, is that these heads can be found on 87 and later 5.0 and 5.8 engines except on crown vic/marquis.
they are supposed to flow better through the port and chamber than my stock heads and would give me great improvements with mild porting.
what I want now, is any tech. info on the heads. Valve sizes, chamber sizes, comp ratio, and specific vehicles that they are on if the above info is incorrect.
I will be going to a wrecking yard to try and find these, and the specific vehicle that they are on would help a lot.
Now I am finding out that these are a common head.
Does anyone have any experience with doing work to these`heads? Are they worth spending any money on?
What did GT40 cast heads come on? Do they need work done to them? And how do they compare to the E7TE's?
I want to try and save some money over buying aftermarket heads, but so far all I know for sure is that some heads are better than some other heads, but not weather they need work or not, and not how anything compares to anything else.
I have never run any heads other than what was on the engine. Now I want to spend a little money and get something better, but the only info I have got so far is that I can get better heads and there are different types of better heads.
If anyone can give me some info about how a type of head will perform, and the work and money involved that would be great.
Thats why I said 86 or 87. I couldn't remember if it was 86 or not because the Mustang recieved multiport fuel injection for 1986 and I thought it might have gotten the E7 heads too.