Should I keep the straight six or go V8

[shawno72]

Ok my 292 straight six is knocking, been knocking for a while. From what I can tell, and from the opinions I got, it sounds like a wrist pin. Now since it is a 292 everyone is asking me if I want to sell it. At this point it is still running and actually runs really smooth, just noisy. I kinda like the idea of keeping the six because it seems like everyone has a V8. I found a good running 250 for $200 on CL and I thought about buying it to stick in so that I can still drive the truck, its my DD, while I have either the 292 rebuilt for around $1500 or I can buy a crate V8 for about that. Another factor is that I am really liking the gas milage of the 6. Give me some pros and cons of not going to a V8 please.