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The Terminator
Engine/Tuning
5.8 GT500 Trinity heads on Cobra 4.6 block???
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<blockquote data-quote="GodStang" data-source="post: 16629928" data-attributes="member: 11142"><p>It depends what you mean as a lot of work. The lower intake has to have the ports opened wider to match the heads and the ribs filed down. Having ported aluminum intakes before it is super easy. Plus a few shops do this for not a bad price. As far as headers the easiest way is buy 8 Kooks GT flanges and have a shop weld them on. Also not that expensive. </p><p></p><p>The issues you may run into is the ports sit about a 1/4" higher on the GT heads which would sit your blower up higher. Depending on which blower this may be a new hood issue or K-member spacer.</p><p></p><p>Of course sourcing the heads and all the good stuff will be $$$. These cars in general are not cheap to work on. Having seen all the positive results of the cars over the years that have run PD blowers and GT heads I plan to run Ford GT heads if I can find a decent deal on them. Will the gains over ported 03/04 Cobra heads be worth it? Just depends on what you have invested in the end.</p></blockquote><p></p>
[QUOTE="GodStang, post: 16629928, member: 11142"] It depends what you mean as a lot of work. The lower intake has to have the ports opened wider to match the heads and the ribs filed down. Having ported aluminum intakes before it is super easy. Plus a few shops do this for not a bad price. As far as headers the easiest way is buy 8 Kooks GT flanges and have a shop weld them on. Also not that expensive. The issues you may run into is the ports sit about a 1/4" higher on the GT heads which would sit your blower up higher. Depending on which blower this may be a new hood issue or K-member spacer. Of course sourcing the heads and all the good stuff will be $$$. These cars in general are not cheap to work on. Having seen all the positive results of the cars over the years that have run PD blowers and GT heads I plan to run Ford GT heads if I can find a decent deal on them. Will the gains over ported 03/04 Cobra heads be worth it? Just depends on what you have invested in the end. [/QUOTE]
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5.8 GT500 Trinity heads on Cobra 4.6 block???
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