The 460 stock block will split down the middle too when you get about 650-700hp. The windsor stock blocks i would not go above the 408. I know people that have and run it for a few years and thats it, but if you stay 408 and below it will last much longer. I have a short block windsor all eagle and ...

I am a ford guy myself, my wife runs a dragster, but i am ford blue threw and true. I built a 472ci and put it in my mustang which with me in it was 2800 pounds and it ran 5.70 at 121-122 mph with a 1.28-1.29 60 foot. I also have a 572 as well.

I would like to give you my 2 cents. I would look at the quick fuel carb. and also are you going to be running just 1/4 or 1/8 mile. If 1/8 mile i would focus on having my cam degreed while my engine was apart. Second on the cnc work on the heads I would like to recommend someone and I have used the...

thanks for the reply and help.

Thats what I am thinking, but I was wondering if anyone else had any problems with these heads besides us. This engine was on my wifes dragster and she has been sick the last couple years and only ran it 12 weekends in 2008 and 8 in 2009 and the last weekend out in 2009 this happened. We were wonder...

The other one cracked. The engine was never abused or anything. The engine was dynoed and shipped to us.

here is a picture you can look at. This is the first i have ever seen a head do this.

I have a friend that uses pro comp stuff and he has had good luck and service from their stuff. He has a set of cnc heads for a big block chevrolet 505ci motor with a super victor intake and a 1050 dominator and a 4-7 swap cam and it ran in a 2800 pound tube frame chevelle that is counting driver ra...

I have a set of the BMF 405 heads that came on my APD 555 Engine that I bought new. I have ran my dragster for 2 years and this fall 2009 one of them cracked and the other blew apart from the inside of the head above the exhaust valve and it blew the whole valve spring in a perfect circle inside the...