Help decoding chevy block [Archive] - Chevelle Tech

: Help decoding chevy block


bullseyeracing
Nov 27th, 07, 9:00 PM
I Have A Block With Casting Number 3959532 With A Date Code Of K268 All That I Found Is 1964 283 But This Block Has A 4.00 Bore???

TonyZ
Nov 27th, 07, 9:33 PM
I Have A Block With Casting Number 3959532 With A Date Code Of K268 All That I Found Is 1964 283 But This Block Has A 4.00 Bore???

3959532....283...64......2 bolt main...Used for some "CE" replacement blocks

bullseyeracing
Nov 28th, 07, 12:11 PM
The Date Code Is Not For A 1964 It Is For A 1968 And The 283 Bore Is 3.875 This Block Is 4.000

Gary Anderson
Nov 28th, 07, 10:07 PM
1956-67 3959532 283

What if the date code is '58 and not '68. I seem to remember 283's getting punched out to 301" (.125 over or 4") back in the day.