Factory FE would be 360, but not hard to either swap a 390 in or swap crank and pistons to make it a 390... I had a 75 that was swapped to an interceptor 390. Had no trouble torching the 33's...
Lol yup California. Los Angeles area. When I came across your truck here I was like wait a minute! I've seen this truck some where.... Looked through my text messages and sure enough it was same truck lol