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i have a set of regular 360 heads and a set of 915 j heads i want to add more power to my 318, will putting the regualr 360 heads on add more power since they do ahve the bigger valves or am i just going to waste my time putting them on and if i do put them on should i get them shaved at all...

hey guys i wanna build a 408 stroker but i dont know what kit i should go with let me know what i should go with, im goin to be using a set of j heads if that helps at all and im not looking to spend much over 3 grand in the end

i have a 340 cast iron intake on my 318 casting number "3462848" and i have a edelbrock perfromer intake , im putting my j heads on on the 318 casting number "3418915" am i better off using the cast iron 340 intake? i have heard that it is better then the performer, also the ports on the...