gt40 heads? | Ford Explorer Forums - Serious Explorations

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gt40 heads?

Joined
October 25, 2009
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Year, Model & Trim Level
97 V8
i have a 97 explorer v8 5.0 can anyone tell me if i have gt40 heads or can you tell me what the build date change over from gt40--gt40p
 



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Simple way to tell.

Look at the passenger side exhaust manifold. If you see an EGR tube you have GT40P heads. If you do not see the a tube you have GT40 heads.
 












The GT40 heads will have 3 vertical bars on the end, while the P version had 4 bars.

2349350691_b48f448e3d.jpg
 






Good information. Thanks.
 






what's the difference performance wise? I'm trying to find out which engine is best for my V8 install...

Thanks

Si
 






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