i'm not even sure. the vette that the heads came from had a .670 lift cam in it, so i'm confident that whatever springs are in there can handle my .612 cam.
i'm not even sure. the vette that the heads came from had a .670 lift cam in it, so i'm confident that whatever springs are in there can handle my .612 cam.
old mod list: H/C/I/N/E/G 408
new mod list: 5.3, gears/posi, mufler and tune : (
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