Hello, and thanks for any info you can provide...

I have a BVM Agressor II with a KBV 71 engine (I believe this is a K & B engine manufactured for BVM).... My question is: can I replace it (as is "direct bolt-in exchange) with a BVM 91 DF engine?

I also have a KBV 82 engine that came with the plane that the previous owner was going to install... Is this a direct bolt-in replacement? Also, how much more power does this have over the 71? If I replace the 71 with the 82, can I use the same pipe?

Lots of questions from this DF rookie... Hoping for some good info.

Thank you in advance for providing any help you can

John Adams
San Jose