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My 3.4 '97 Ex Cab has 162K and I blew out a spark plug. It worked it's way loose and then toasted the threads on the way out. I cranked it and blew out all the metal bits that would go. I helicoiled the threads and have been driving the truck for ~ 2k miles. It still ticks when it's cold (didn't do that before the plug incident) and when idling after prolonged freeway driving. It may last another 100k or it may not.

The engine bay on the T100 looks to be plenty big enough for an aluminum GM V8. Does anybody have ANY info on a swap like this. The gas mileage couldn't be any worse than the 17-18 I've always gotten.

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