Re: ls6 70 chevelle motor
 

It actually reads T0220CRV for February 20th.

http://www.chevelles.com/classifieds..._012-large.jpg

Re: ls6 70 chevelle motor
 

A freid of mine has a set of 454 heads believed to be ls6 heads ,cast iron cast numbers -4396291 we looked them up in a date book and they date dec of 1969, anyone have any idea as to what these heads are and what they may have been installed on , oh yea 2.25 I and 1.88 exhaust valve's.