gt40 heads

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01-01-2007, 07:28 PM

jeffs1stang

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gt40 heads

are these heads that much better than stock 5.0 heads? got the whole engine out of an explorer and thinking about doing the head and intake swap.
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01-01-2007, 07:30 PM

AdderMk2

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RE: gt40 heads

01-01-2007, 08:06 PM

samseed101

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Join Date: Jun 2006

Location: Maine

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RE: gt40 heads

Quote:

ORIGINAL: jeffs1stang

are these heads that much better than stock 5.0 heads? got the whole engine out of an explorer and thinking about doing the head and intake swap.
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yes. It's one of the cheapest and easiest ways to gain decent HP.

01-01-2007, 08:12 PM

15austin

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RE: gt40 heads

They are better, but if they are explorer heads they are gt-40p heads. you will need to get headers to fit. Headers for stock style mustang headsthe spark plug(s) will touch the headers and will burn spark plug wires.

01-01-2007, 08:13 PM

92hatchLX

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RE: gt40 heads

I heard that they aren't that great unless you milled the heads to get your compression back.

01-01-2007, 08:14 PM

VigCS

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Location: Frederick, Maryland.

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RE: gt40 heads

Quote:

ORIGINAL: 15austin

[align=left]They are better, but if they are explorer heads they are gt-40p heads. you will need to get headers to fit. Headers for stock style mustang headsthe spark plug(s) will touch the headers and will burn spark plug wires. [/align]

Pretty sure they're GT40P heads if they are 1997.5+...GT40s 1997 and below. I could be wrong, though.