Sorry man, I don't mean to be rude but that's an over-simplification and leads to mis-information.
1) There's not one only way to tune a bass drum or
any drum, for what it matters.
2) A bass drum with "tone on its heads" as you call it doesn't necessarily sound as a big floor tom, and even if it did, that may sound good depending on the context.
3) That slappy-just above wrinkle-no tone sound that sounds "oh so good" behind your kit in your bedroom, is most likely gonna get lost in any un-miked gig and no one is gonna hear it.
Anyway, to the OP, I don't think that's easy to tune two drums, whatever they are, to sound EXACTLY the same... A lot comes into consideration to achieve that.. bearing edges, heads condition, rods, even the lugs and where they're placed.
I'd say tune them as close as you can and play them. When I had a double pedal, both beaters sounded different, but when you play with the whole kit that slight difference gets lost in the mix and you don't really notice it.
Cheers!
PS: Oh, and I had a Pearl Forum for like 5 years.. served me well. Gigged and even recorded it. Don't underestimate it, it's a very good kit. Just be sure to put good heads and take proper care of her.