Yeh Farmr, I could almost hear that going by...LOL. I believe ftwflh is right about those parts interchanging for the most part.

 

I think the parts should interchange, because it is the same basic engine and all, but in my opinion, the Cyclone had a higher state of tune from the factory than the Trail Blazer. Perhaps some of the performance parts for the TB would be about on par to what came stock on the Cyclone. From what I have seen, the Cyclone ran like a TB with a performane kit.