Pick ups and amp will decide how heavy your tone is gunna be. I've seen people in death metal bands with basswood bodied Ibanezs' and people playing rock etc with them, like the dude from the offspring. I personally don't think wood affects how heavy a sound you can get, maybe the tone of the guitar unplugged but plugged in, to my ears there's not a huge difference when you have the same hardware, wiring and pickups
well, there are frequency dependent dynamics unique to each wood, but using hot pickups, particularly overwound humbuckers, will tend to homogenize these characteristics even playing clean due to midrange-focus and compression character or a more powerful inductor... basswood does not have a snappy attack, while other woods do (the main difference I hear between basswood and mahogany is the attack in similar designs)... I think basswood is popular with some for bolt-ons because the bolt neck tends to produce a snappier attack than a set neck (for reasons I can outline if you insist) not to mention the fact that bolts tend to be fender scale which is snappier and richer in high order harmonics with a fast decay by its very nature. Basswood evens this out to an extent
this is all subtle stuff in the realm of heavy music with silly, hot pickups and you will notice more than your audience and that's only if you have the ears for it
put some classic strat pickups ina basswood axe, an alder one and a swamp ash one and be amazed when you plug into a grown up amp without any effects in line... there will be more than just a difference in frequency response... switch to hot humbuckers and a gain-bangin' modern amp and then? as I said, who cares? the difference will be so subtle on hose of us with excellent ears will ehar it and then it will be apples and apples, maybe a slight change in punchiness and articulation from guitar to guitar
everything you add electronically from more winds of wire or a different magnet powering your transducer to effects, gain in voltage, RC filtering, loudspeakers voiced for a lot of extra presence or to provide a little of their own distortion? it homogenizes the acoustic properties of solid guitars... I have a great love of minimalist stuff from pickups to speakers because I can really hear 'the wood' when I plug into a single fat gainstage with a little filtering right into an open-band cathode biased power amp, its minimal coloration of what my guitar is kicking out acoustically... there is something to be said for the matchless ef86 channel driving a super flat speaker like an EV 12L or E series JBL, you are really going to HEAR things with the input set to 2 and the bass caps set wide open for a really flat response... heavy guys don't play like this, its not heavy. Their sound relies on a large peak to peak from the guitar which introduces a lot of artifacts right from the jack and from there you are looking at tone of gain and RC filtering to get THAT sound. Really look at some pedal and amp schematics, even something basic like a tubescreamer and fender twin rig and pick out all the spots where the bass, treble and mids are being attenuated at specific frequencies, I could go on and on. You chain up all these RC stages between gain and clipping stages and the wood stops being a major factor.
but in general, Liam, I think you are confusing 'can't hear it' with 'doesn't matter from the back of the theater'
if you like a guitar then buy it and play it, my only qualm with basswood is the poor durability... if you've seen my alder strat you can see what over a decade of heavy gigging, much of it in crappy dive venues w/o road crew, has done to it... if it were made of basswood I woulda needed a new body by now. But if you can keep the guitar safe and you enjoy playing it then it WILL sound good because lets face it, a guitar that you feel comfortable with and have fun playing always sounds better than a guitar that's uncomfortable and not fun to play because your PLAYING is better and that's really what its all about. Your tone is secondary to how well you play as long as you don't sound like a blizzard of nails! Just remember to baby basswood guitars, they are NOT durable. If I had a nickel for every older basswood superstrat I've seen with chnks broken out of it and heel cracks stopped up with superglue.... well, I would buy myself some more cool guitars.