Hellacool vid; props for putting an expensive piece of gear in harm's way. It does raise a really good question which I thought had been answered when the .357 Magnum was introduced and purported to be able to "shoot through an engine block". These guys ("FittyTactical") did a pretty good job of breaking it down; just go to the end and see what 50 Ball and 50 AP do. I understand that rules of engagement differ between situations, but a shot at the base of the driver's side windshield seems like an effective starting point. If ROE are more anti-materiel than anti-personnel, I'd regard the immediate stoppage of a large displacement motor, especially diesel, as "low probability", requiring multiple attacks on multiple sections of the motor, either by multiple shooters, or multiple shots from one shooter. A motor needs to be though of as having multiple functioning segments; disabling one segment may cripple it, but still allow operation for the short term, i.e. long enough to overrun your position. The best bet for one shot immediate stoppage is to take out fuel delivery: no fuel, no combustion, and the possibility of secondary fire, but I don't know how you would effectively target that system with one shot. A shot to the front of the block with a large caliber projectile may or may not yield a complete stoppage; I've witnessed a lot of motors with a piston shot out the side of the block still rattling around under the force of the other 7. Luke205 points out the grill, A/C condenser, radiator, fan: all these are really very flimsy in construction, but if Murphy is aligning them, they will rob the projectile of some of the force needed to achieve a brute force stoppage of the motor. Multiple hits on the motor at different points with calibers ranging form 338 LM up to 50 BMG will eventually damage it beyond function, but how much space will that vehicle cover during that attempt? And at what point from your position do you engage? Tires: if you can hit'em, taking out one front tire makes handling difficult, but how many videos of crackheads driving on steel rims after rolling over spikestrips on the LA freeway have we seen? I'd like to hear from a member of our BTDT (Been There, Done That) Club and get their feedback. Short of a 20mm AP round, I'm still pushing for the base of the windshield, drivers side, hoping some sort of reaction will cause the vehicle to alter course.
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