I haven't either cab and I just searched it and didn't find much. I did read a post some where that a guy suggested a cam of 7-10* less duration with tunnel ram than what you would run with single carb.
There are two reasons why TR engines lose power.
1. Way too much cam timing. And I should add in the wrong cam timing.
2. Carb calibration. You have double the jet area, doubled the bleed area, doubled the emulsion but you did not double the air flow.
2 shouldn't be an issue for you because you A) like screwing with this stuff and B) you have Dom on speed dial I case you find yourself in the weeds.
Anyone who thinks cam timing doesn't change with induction is just wrong.
In fact, (dating myself a bit here) Coleman Roddy was the first guy (reportedly) to work with the 4/7 swap cam. Once he had a handle on it, he won the Comp Eliminator championship.
It's a big deal to get that sort of thing correct first.
Can't wait to hear your results.
