assuming the engine is in the car and can't get to the number on the pass side head. is there any way to tell a 283, 305/307, 350, 400 apart?? thanks!!! -------------- next part -------------- An HTML attachment was scrubbed... URL: http://chevelles.net/pipermail/chevelle-list_chevelles.net/attachments/20070103/726ee55e/attachment.html