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Maggie’s Motivational Pic Thread v2.0 - - New Rules - See Post #1

Well, I had my 3rd engine swap at less than 40,000 miles on my new tundra so I am not inclined to take your advice..my raptor was supposed to be my fun truck but the massive unreliability of the Toyota forced it to be my daily

Three engines in 40k from any manufacturer would make me look at everything/everyone connected to the engine.
 
Navi/Ford collaboration. Stock 450SD 16,000LBS, 6 sets of head gaskets, then a new motor from Ford, 8000 mile past that warranty it dropped an Injector tip, holed a piston and left me on the side of the road in western Nebraska. New (Jasper)studded motor installed lasted 9500 miles before another head gasket. Repaired under warranty. Now have a 6.7 Ford in the same type truck with 150,000 miles...

"Many factors can contribute to a blown head gasket, but it all starts with the head bolts—the type and the lack of them. Torque-to-yield head bolts are nothing new in automotive engines, but once a TTY fastener stretches beyond its yield point, it becomes permanently elongated. This translates into a loss of clamping force. The 6.0L’s design employs just four TTY head bolts per cylinder (the 7.3L utilized six per cylinder). The head bolts might measure 14mm in diameter, but there simply aren’t enough of them to contend with the cylinder pressure being created beneath them."
 
Three engines in 40k from any manufacturer would make me look at everything/everyone connected to the engine.
Pretty sure the Toy hybrid problem is related to piss poor machining. Mitsubishi had a similar problem in the mid-90's; the 1st gen eclipse/talon had the infamous 4g63, but for some reason engineering decided to try and free up some rotational resistance to gain free HP. As a result, the crank bearing journals were machined a smidgen too loose, and "crank walk" became the end result. This is a well known catastrophe.

The new Yota, if im not mistaken, is slipping crank bearings and seizing engines.

Imitation is the sincerest form of flattery. 3.5EB for the win.
 
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