Ya went from a Celica to a Stroker Stang??? Dude, you are soooooo hooked, might as well have bought a crack pipe!
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Strokers are just what Ryan said, a "stock" block with more STROKE and possibly a bigger bore. More cubes thanks to the longer stroke, thusly "stroker." And they also call them that cuz once you own one ya do alot of strokin on your own, cuz they absolutely RIP!!!!
Don't go off on a tangent and start buying parts. Hittin a bump a losing lights tells me a loose connector. FIRST place I would look is the headlight switch. Gonna find a BIG plug on the back side of it, I'll bet ya a donut that's where your problem is. Either that, or the headlight switch itself. That thing controls ALOT more stuff than people think it does.
And lastly...... Once you drive a Stang, escpecially a stroker, you're ruined for life. Trust me! But it's allllllll good!
WELCOME TO THE DARK SIDE!!!!