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Originally Posted by lilbuddy1587  I'm really curious as to why everyone believes this kind of power can't be achieved without the use of an "aftermarket" head, such as the AFR, TFS etc.? You do realize that before these heads were available, people were making SICK power with 243 and 317 castings, right? Well guess what? They still are. |
Show me one motor that makes over 500rwhp with 243's or 317's N/A. Yes these heads can be worked to provide great power especially under the curve, but if it were possible to make 600fwhp with a very mild 243 heads.... then companies liek AFR, TFS, ETP, ect... are in some big trouble. Its not a matter of can a 383 make this kind of power, yes a 383 can make big power in n/a form. Its not a matter of can a 243 head make big power, yes a 243 head can make great power. The point is here, not to misinform other people that are looking at these threads in search of what parts they can use to meet their goals. Inflating numbers often becomes a problem in these threads.