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I can get my 500 using iron heads stock crank, rods, hydro cam, stock shafts and rockers and you can't.



I'd like to see this - 500 at the crank with all stock parts



why's that? You can get it with old school TRW 10.5:1 pistons, LY rods, stock crank, home ported 915 or 906 heads, 1 7/8" headers, RPM intake and a 509 cam.
Think not? Here's a freinds old set up in a full steel 67 GTX. As mention above stock carnk 440 w/ TRW's ported 915 heads, 1 7/8 headers, 509 cam, Stock shafts/rockers and a six-pack. Not sure what stall but he had 4.10's and ran 11.80 @ 116. That's about 465 at the rear wheels. I'll bet that's over 500 at the crank. Could be equaled w/ a single 4. I have another friend that ran the same thing except a 557 solid in a 70 4 speed RR, he had about the same #'s w/ more mph but I'm guessing the RR is a little heavier. Nothing fancy about either set-up.