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I looking for some input on these heads is there enough head there to run 10 flat in a 3000 lb car with a 416 short block I forgot all about these heads no ones running them its hard to find any real info thanks for the help ive already looked at shadydell

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call scott koffel @ koffels.

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and when you have him on the phone ask him why dont they revise it up a bit to make it a more attractive offering... I cant imagine it taking alot of effort, and they have had to lose money on all the more they are selling now. And get the price reasonable so they will sell more and make a few bucks too. Would make an easy w5 replacement head.

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I agree with you, he would probably say not enough demand, but I would say that's because they are pretty pricey. Chrysler heads aren't cheap no matter what you get. the original post mentioned he wanted to go 10.0s, well W2s with good port work should be no problem with a 416. my duster weighs 3120 with me in it and I was running low 10s with W2 long valve econos.