Originally Posted by kickerofdoom
I have a 87 mustang with basic bolt on and I want to build the motor but want to go on a budget I know gt40 heads are good but where do I buy them like eBay or ask at a junkyard and what kind of cost am I looking. Also what the easiest way to get a maf on the car?
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Those sorts of questions mean you probably aren't ready to go tearing into this thing.
Short answer to your question, you get GT40s on ebay/craigslist/out of junkyards etc...
The MAF, you unbolt your stocker and install a new one. Which you don't need to do because the stock MAF will support way more power than you are going to make.
Cost wise to do a HCI correctly you are looking at $1000-$1500 minimum in parts and that is if you go cheap with all used GT40 stuff and a used cam and do it all yourself. Another $600 or so for a tune and there are always unexpected costs. My last "budget" HCI cost me about $3k and that was doing EVERYTHING myself and re-using all the parts I could and mostly used stuff. Only new in box things were gaskets, ARP hardware, pushrods and a water pump.
I'd budget $3k at least.