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I just learned this year fenders are “wings” in britain. Dont know why.
Sae/metric- my worst experience i think was a timing chain job on an 84 ish crown vic with a 302. There are sae studs into block, that held brackets on with metric nuts.
Think the metric system was put in place during the reign of our present prime minister’s Father. It caused more problems and expenses than benefits.
That’s true had experience’s like that myself. Like trying to repair an imperial concrete block wall with metric blocks, there are ways around it no prob. But there’s a story about how all these men wanted to build a tower to heaven so the lord made them all speak different languages and the tower wasn’t built. At least now we speak the same language as the rest of the world almost.