Hi,
As Dave noted, I run a Dart '66 in the FIA historic races in Finland and Sweden. I got the car first time to the races last summer, and now the further development is going on. I destroyed 2 engines last summer due to oiling issues, so I built some experience on it :)
My cars runs in the FIA period G (1966-1971), which allows for some better parts than pre '66.
Now I have a new engine under construction. It's got a steel crank, stock rods and custom made pistons by Ross. Now I'm working on the cylinder heads and 4bbl intake manifold. These both are of the original cast iron type, as required by the FIA rules. Valves sizes are also the original 1.78" / 1.5". The camshaft is Comp 20-230-4. Caburettor is Holley 650 cfm and there are Doug's headers.
Actually I have no idea of the expected hp from my new engine, but I've seen a dyno sheet with 391 hp at crank from a similar build.
In addition to my Dart, in Finland there are two '65 Barracudas and one '65 Valiant in Historic Races, and one '66 Valiant doing Historic stage rallying. So, there is actually quite a lot of experience in running these Mopar beasts. Here's a link to the one of the Barracuda teams page: http://www.silverfishracing.fi
