Don't forget to adjust your CG calculations, if needed. Your good judgement required here.
It's easy to end up with a tail heavy RV-4 if you've got a light engine and prop up front.
F1 Rocket and F4 Raider components
RV and Rocket Accessories, Tailwheels, Tools, & More
F4 Raider - under construction
F1-H Rocket "Crazy Horse" - sold
RV-4 "Chief Pontiac" - sold