Re: 427 Block Numbers
That trick only worked with some 1965 and 66 blocks since there was one casting that was actually machined as both a 427 or a 396.The casting was the same,and in fact I know of a racer who ran 2 different ones at the 427 bore plus .090",which means that the 396 block was actually as thick as a 427 thick wall block.Later 402 blocks awere way thinner.I would say that at best a 4.185" bore might be max.A good 402 isnt the end of the world,anyway.At .030" over a 408 with oval ports will make enuff tire shredding torque to pass itself off as any 427 or 454 on a restored street car.
|