I don't know that you're going to find a Vampower simulator, but I know that he used Colorsound Overdrivers, a Hornby Skewes Shatterbox, the Supa Tonebender (Muff sibling), and a Rangemaster. When I think about Slider and Electric Warrior, I also think about heavy doses of plate reverb and analog tape.
I was hypothetically mapping out a T-Rex/1970s board last year, and if I wanted to emulate that era, I’d buy a Strymon Deco, Catalinbread Talisman, Tech 21 Oxford, and then build a clone of the Colorsound Overdriver. A Muff in combination with the Overdriver should give you some fairly wooly sounds. To scale it down, a booster or a mild overdrive into the Oxford should also match up fairly well with a lot of what Bolan was doing. If you don’t have someone to build you one, Harben makes the Synethesia Drive for about $139 (Colorsound Overdrive clone). It's a fairly simple circuit however. The Oxfords are around $100-120 used.
—I was looking into current clones and saw someone has taken the Vampower name to start producing Fuzz Face-inspired pedals. It’s pretty disappointing to see such an odd brand resurrected for something so cliched.
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https://reverb.com/item/1574406-full-cu ... e-shipping
https://reverb.com/item/331742-balls-po ... w-warranty
