Re: 427 Block on Ebay
 

sleeved motors, ugh! my brother blew up his 69 vette 350/350 motor twice.

Re: 427 Block on Ebay
 

So
then I should put my 3916321 4 bolt CE block standard Bore
no sleeves, no cracks no stories block in the safe .Or in my 68. https://www.yenko.net/ubbthreads/imag...ins/3gears.gif
suprss70

Re: 427 Block on Ebay
 

Bill,
Yes I can see them. I have a similar Double Stamp on an L78 engine. I have also recently seen a heavier Double Stamp on an LS6 block.