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Message: <blockquote data-quote="tinnocker" data-source="post: 1486837" data-attributes="member: 28454">First let me say I am a novice also,  but have been into hot rodding since I was 16, when I bought a 1940 Ford coup with a 1955 Oldsmobile 324 cubic inch v8 for $550,  but hey, it had chrome valve covers. Flash forward 58 years and I still love hot rodding. Recently I bought a 94' Mustang GT, bone stock so I started looking for things to do and keep the stock bottom end, except the cam. I have been looking on every forum debate that I can find about the quality of aluminum heads and what brand to get.  Most say that AFR 165 heads are best for a mostly street and some strip use. Eldelbrock,  and Twisted  Wedge are also good. This is just the consensus of dozens or reviews and word of mouth on different Mustang and Ford forums.  Lots of recommendations to let a machinist or qualified mechanic check what ever brand you buy because a small percentage of all have some flaws or aluminum bits and pieces that get by the inspectors.                                                                     Now with all that said,  I went with a set of cast iron GT40'S that have been been ported to flow as well or better than the aluminum ones.  Aluminum heads still have the weight advantage but in my case, I am not building a strip car that tries to shave every pound off the weight of the car.  I remember a Thunderbolt 427 Ford Fairlane in the sixties that won more than its share of quarter mile races and the driver weighed close to 300 lb.  Big Dog Porting is the name of the company that I am buying my heads from. He machines the heads, with new springs and valves installed and ports them to flow as good as or better than any out of the box aluminum heads sold today.  He does the same with GT40 intakes that flow better than any aftermarket fuel injected intake that is sold today.  He has many rave reviews and his price for a set of ported GT40 heads is less than $1200 delivered and ready to install.  Google Big Dog Porting on Facebook for some of his flow charts and many pictures of the before and after porting work that he does.  Lots of reviews of guys built Mustangs track time before and after his port work.  Some are from just street use Mustangs and Fords that tell of hp increases.  He ports the aluminum brand name heads and reviews say that their cars perform better.  It seems like a win win situation to me.  Cheaper and better performing[MEDIA=youtube]cAWn_S2y_rU[/MEDIA]</blockquote>