take a look at this BAT auction for a Lester Owen Sportsracer M10 engine- lots of pipe length- design is different than mine but regardless there is lots of pipe length...
BMW M10 Racing Engine for sale on BaT Auctions - sold for $19,500 on April 22, 2021 (Lot #46,734) | Bring a Trailer
BRINGATRAILER.COM
Bid for the chance to own a BMW M10 Racing Engine at auction with Bring a Trailer, the home of the best vintage and classic cars online. Lot #46,734.