I forget what year it started, but a lot of later GM blocks are labeled on the back of the motor on top by the bellhousing, Youd probably have to take your dog house to see it though. Id have someone who knows chevys to take a look at it.
__________________
Floridaracing.org Tenative Schedulealso check out the Auto-x Event Schedule
"I am and what I do are not a taxable commodity for you to use and abuse" - Me
This is my fuck the government movement